./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/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 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:28:30,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:28:30,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:28:30,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:28:30,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:28:30,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:28:30,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:28:30,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:28:30,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:28:30,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:28:30,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:28:30,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:28:30,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:28:30,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:28:30,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:28:30,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:28:30,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:28:30,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:28:30,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:28:30,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:28:30,620 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:28:30,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:28:30,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:28:30,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:28:30,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:28:30,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:28:30,626 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:28:30,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:28:30,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:28:30,629 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:28:30,629 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:28:30,630 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:28:30,630 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:28:30,630 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:28:30,631 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:28:30,632 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:28:30,632 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 02:28:30,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:28:30,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:28:30,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:28:30,647 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:28:30,647 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:28:30,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:28:30,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:28:30,648 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:28:30,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:28:30,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:28:30,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:28:30,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:28:30,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:28:30,651 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:28:30,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:28:30,651 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:28:30,651 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:28:30,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:28:30,652 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:28:30,652 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:28:30,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:28:30,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:28:30,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:28:30,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:28:30,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:28:30,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:28:30,653 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:28:30,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:28:30,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:28:30,654 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_0c2f9072-8d9b-484f-982d-1c0a89548762/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 -> 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 [2018-11-23 02:28:30,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:28:30,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:28:30,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:28:30,695 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:28:30,696 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:28:30,696 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-11-23 02:28:30,740 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/data/80ee58e35/f096d94b476146d393925e49dc9943e1/FLAG80580fff7 [2018-11-23 02:28:31,173 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:28:31,174 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-11-23 02:28:31,185 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/data/80ee58e35/f096d94b476146d393925e49dc9943e1/FLAG80580fff7 [2018-11-23 02:28:31,199 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/data/80ee58e35/f096d94b476146d393925e49dc9943e1 [2018-11-23 02:28:31,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:28:31,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:28:31,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:28:31,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:28:31,206 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:28:31,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbeed0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31, skipping insertion in model container [2018-11-23 02:28:31,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:28:31,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:28:31,552 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:28:31,556 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:28:31,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:28:31,652 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:28:31,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31 WrapperNode [2018-11-23 02:28:31,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:28:31,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:28:31,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:28:31,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:28:31,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:28:31,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:28:31,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:28:31,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:28:31,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... [2018-11-23 02:28:31,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:28:31,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:28:31,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:28:31,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:28:31,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/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 [2018-11-23 02:28:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 02:28:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:28:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:28:33,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:28:33,476 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 02:28:33,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:33 BoogieIcfgContainer [2018-11-23 02:28:33,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:28:33,477 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:28:33,477 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:28:33,486 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:28:33,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:33" (1/1) ... [2018-11-23 02:28:33,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:28:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:33,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 02:28:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 02:28:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 02:28:33,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2018-11-23 02:28:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2018-11-23 02:28:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 02:28:34,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2018-11-23 02:28:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2018-11-23 02:28:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 02:28:34,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2018-11-23 02:28:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2018-11-23 02:28:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 02:28:34,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-11-23 02:28:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-11-23 02:28:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 02:28:35,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 221 states and 321 transitions. [2018-11-23 02:28:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 321 transitions. [2018-11-23 02:28:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 02:28:35,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:28:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 232 states and 339 transitions. [2018-11-23 02:28:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 339 transitions. [2018-11-23 02:28:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 02:28:35,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 246 states and 356 transitions. [2018-11-23 02:28:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 356 transitions. [2018-11-23 02:28:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 02:28:35,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:36,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 261 states and 377 transitions. [2018-11-23 02:28:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 377 transitions. [2018-11-23 02:28:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 02:28:36,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 267 states and 385 transitions. [2018-11-23 02:28:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2018-11-23 02:28:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 02:28:36,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 280 states and 401 transitions. [2018-11-23 02:28:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 401 transitions. [2018-11-23 02:28:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 02:28:36,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 286 states and 410 transitions. [2018-11-23 02:28:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 410 transitions. [2018-11-23 02:28:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 02:28:37,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 304 states and 432 transitions. [2018-11-23 02:28:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2018-11-23 02:28:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 02:28:37,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 315 states and 443 transitions. [2018-11-23 02:28:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 443 transitions. [2018-11-23 02:28:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 02:28:37,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 318 states and 445 transitions. [2018-11-23 02:28:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 445 transitions. [2018-11-23 02:28:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 02:28:38,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 325 states and 454 transitions. [2018-11-23 02:28:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 454 transitions. [2018-11-23 02:28:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 02:28:38,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 02:28:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 326 states and 456 transitions. [2018-11-23 02:28:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 456 transitions. [2018-11-23 02:28:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 02:28:38,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:38,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:38,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 337 states and 473 transitions. [2018-11-23 02:28:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 473 transitions. [2018-11-23 02:28:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 02:28:38,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 344 states and 480 transitions. [2018-11-23 02:28:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 480 transitions. [2018-11-23 02:28:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 02:28:38,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 358 states and 497 transitions. [2018-11-23 02:28:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 497 transitions. [2018-11-23 02:28:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 02:28:39,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 366 states and 507 transitions. [2018-11-23 02:28:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 507 transitions. [2018-11-23 02:28:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 02:28:39,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 374 states and 514 transitions. [2018-11-23 02:28:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 514 transitions. [2018-11-23 02:28:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 02:28:39,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 381 states and 524 transitions. [2018-11-23 02:28:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 524 transitions. [2018-11-23 02:28:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 02:28:40,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 386 states and 529 transitions. [2018-11-23 02:28:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 529 transitions. [2018-11-23 02:28:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 02:28:40,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 388 states and 531 transitions. [2018-11-23 02:28:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 531 transitions. [2018-11-23 02:28:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 02:28:40,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 408 states and 553 transitions. [2018-11-23 02:28:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 553 transitions. [2018-11-23 02:28:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 02:28:41,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:42,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 478 states and 637 transitions. [2018-11-23 02:28:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 637 transitions. [2018-11-23 02:28:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 02:28:42,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 491 states and 651 transitions. [2018-11-23 02:28:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 651 transitions. [2018-11-23 02:28:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 02:28:42,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 496 states and 659 transitions. [2018-11-23 02:28:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 659 transitions. [2018-11-23 02:28:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 02:28:43,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 511 states and 687 transitions. [2018-11-23 02:28:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 687 transitions. [2018-11-23 02:28:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 02:28:44,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:44,084 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 522 states and 698 transitions. [2018-11-23 02:28:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2018-11-23 02:28:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 02:28:44,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 534 states and 710 transitions. [2018-11-23 02:28:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 710 transitions. [2018-11-23 02:28:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 02:28:44,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 556 states and 733 transitions. [2018-11-23 02:28:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 733 transitions. [2018-11-23 02:28:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 02:28:44,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:28:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 588 states and 771 transitions. [2018-11-23 02:28:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 771 transitions. [2018-11-23 02:28:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 02:28:45,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 02:28:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 602 states and 788 transitions. [2018-11-23 02:28:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 788 transitions. [2018-11-23 02:28:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 02:28:45,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:28:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 617 states and 803 transitions. [2018-11-23 02:28:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 803 transitions. [2018-11-23 02:28:46,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 02:28:46,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:28:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 637 states and 823 transitions. [2018-11-23 02:28:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 823 transitions. [2018-11-23 02:28:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 02:28:46,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 02:28:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 646 states and 832 transitions. [2018-11-23 02:28:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 832 transitions. [2018-11-23 02:28:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 02:28:46,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 02:28:47,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 649 states and 834 transitions. [2018-11-23 02:28:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 834 transitions. [2018-11-23 02:28:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 02:28:47,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 757 states and 954 transitions. [2018-11-23 02:28:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 954 transitions. [2018-11-23 02:28:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 02:28:51,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:28:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 770 states and 970 transitions. [2018-11-23 02:28:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 970 transitions. [2018-11-23 02:28:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 02:28:52,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 02:28:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 775 states and 979 transitions. [2018-11-23 02:28:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 979 transitions. [2018-11-23 02:28:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 02:28:52,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 02:28:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 776 states and 979 transitions. [2018-11-23 02:28:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 979 transitions. [2018-11-23 02:28:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 02:28:53,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:28:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 823 states and 1034 transitions. [2018-11-23 02:28:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1034 transitions. [2018-11-23 02:28:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 02:28:55,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 02:28:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 824 states and 1035 transitions. [2018-11-23 02:28:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1035 transitions. [2018-11-23 02:28:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 02:28:55,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 02:28:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 828 states and 1040 transitions. [2018-11-23 02:28:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1040 transitions. [2018-11-23 02:28:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 02:28:55,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 02:28:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 857 states and 1075 transitions. [2018-11-23 02:28:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1075 transitions. [2018-11-23 02:28:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 02:28:56,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 02:28:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 922 states and 1150 transitions. [2018-11-23 02:28:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1150 transitions. [2018-11-23 02:28:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 02:28:58,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:28:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 939 states and 1170 transitions. [2018-11-23 02:28:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1170 transitions. [2018-11-23 02:28:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 02:28:59,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:28:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 941 states and 1170 transitions. [2018-11-23 02:28:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1170 transitions. [2018-11-23 02:28:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 02:28:59,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:28:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 949 states and 1177 transitions. [2018-11-23 02:28:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1177 transitions. [2018-11-23 02:28:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 02:28:59,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 02:28:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:28:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 953 states and 1181 transitions. [2018-11-23 02:28:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1181 transitions. [2018-11-23 02:28:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 02:28:59,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:28:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:28:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 02:29:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 987 states and 1218 transitions. [2018-11-23 02:29:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1218 transitions. [2018-11-23 02:29:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 02:29:00,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:29:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1018 states and 1252 transitions. [2018-11-23 02:29:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1252 transitions. [2018-11-23 02:29:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 02:29:01,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:29:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1021 states and 1254 transitions. [2018-11-23 02:29:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1254 transitions. [2018-11-23 02:29:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 02:29:01,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 02:29:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1032 states and 1270 transitions. [2018-11-23 02:29:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1270 transitions. [2018-11-23 02:29:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 02:29:02,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 02:29:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1043 states and 1283 transitions. [2018-11-23 02:29:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1283 transitions. [2018-11-23 02:29:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 02:29:03,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 02:29:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1048 states and 1287 transitions. [2018-11-23 02:29:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1287 transitions. [2018-11-23 02:29:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 02:29:03,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:29:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1145 states and 1392 transitions. [2018-11-23 02:29:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1392 transitions. [2018-11-23 02:29:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 02:29:08,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 02:29:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1197 states and 1446 transitions. [2018-11-23 02:29:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1446 transitions. [2018-11-23 02:29:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 02:29:13,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 02:29:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1199 states and 1447 transitions. [2018-11-23 02:29:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1447 transitions. [2018-11-23 02:29:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 02:29:13,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:29:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 3 proven. 258 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 02:29:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:29:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1132 states and 1378 transitions. [2018-11-23 02:29:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1378 transitions. [2018-11-23 02:29:14,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:29:14,050 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2018-11-23 02:29:14,058 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 02:29:14,354 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2018-11-23 02:29:14,822 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-11-23 02:29:14,958 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2018-11-23 02:29:15,437 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-11-23 02:29:15,575 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-11-23 02:29:15,930 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2018-11-23 02:29:16,040 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2018-11-23 02:29:17,979 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-11-23 02:29:18,087 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2018-11-23 02:29:18,402 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2018-11-23 02:29:18,760 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 37 [2018-11-23 02:29:18,760 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:29:18,762 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 02:29:18,768 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 02:29:18,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:29:18 ImpRootNode [2018-11-23 02:29:18,769 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:29:18,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:29:18,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:29:18,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:29:18,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:33" (3/4) ... [2018-11-23 02:29:18,773 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:29:18,788 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-11-23 02:29:18,789 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 02:29:18,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 02:29:18,791 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:29:18,917 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c2f9072-8d9b-484f-982d-1c0a89548762/bin-2019/ukojak/witness.graphml [2018-11-23 02:29:18,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:29:18,918 INFO L168 Benchmark]: Toolchain (without parser) took 47715.67 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 930.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,919 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:29:18,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.69 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -233.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,920 INFO L168 Benchmark]: Boogie Preprocessor took 49.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,920 INFO L168 Benchmark]: RCFGBuilder took 1644.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.3 MB in the end (delta: 232.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,920 INFO L168 Benchmark]: CodeCheck took 45292.15 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 975.7 MB). Free memory was 906.3 MB in the beginning and 1.2 GB in the end (delta: -248.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,921 INFO L168 Benchmark]: Witness Printer took 147.74 ms. Allocated memory is still 2.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 112.2 kB). Peak memory consumption was 112.2 kB. Max. memory is 11.5 GB. [2018-11-23 02:29:18,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 40.5s OverallTime, 62 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1665630572 SDtfs, 2006501144 SDslu, 1391859850 SDs, 0 SdLazy, -2131570150 SolverSat, 1630382296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56113 GetRequests, 54903 SyntacticMatches, 556 SemanticMatches, 654 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305262 ImplicationChecksByTransitivity, 31.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 7822 NumberOfCodeBlocks, 7822 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 7761 ConstructedInterpolants, 0 QuantifiedInterpolants, 3700933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 53 PerfectInterpolantSequences, 4331/4782 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: 479]: 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: ((!(a17 == 1) || !(a8 == 15)) || (((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a21 == 1)) || !(a16 == 4) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a8 == 15)) || (((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a21 == 1)) || !(a16 == 4) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.69 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -233.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1644.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.3 MB in the end (delta: 232.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. * CodeCheck took 45292.15 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 975.7 MB). Free memory was 906.3 MB in the beginning and 1.2 GB in the end (delta: -248.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 147.74 ms. Allocated memory is still 2.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 112.2 kB). Peak memory consumption was 112.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...