./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/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 eb8eeb6e67f290f9d56e698aa8c9c7a779115813 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:24:06,596 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:24:06,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:24:06,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:24:06,603 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:24:06,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:24:06,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:24:06,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:24:06,606 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:24:06,607 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:24:06,607 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:24:06,608 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:24:06,608 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:24:06,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:24:06,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:24:06,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:24:06,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:24:06,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:24:06,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:24:06,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:24:06,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:24:06,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:24:06,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:24:06,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:24:06,615 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:24:06,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:24:06,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:24:06,616 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:24:06,617 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:24:06,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:24:06,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:24:06,618 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:24:06,618 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:24:06,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:24:06,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:24:06,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:24:06,619 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:24:06,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:24:06,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:24:06,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:24:06,627 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:24:06,628 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:24:06,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:24:06,628 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:24:06,629 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:24:06,629 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:24:06,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:24:06,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:24:06,630 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:24:06,630 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:24:06,630 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:24:06,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:24:06,630 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_8e69959a-45c2-4f30-87a3-9780e9d5bbef/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 -> eb8eeb6e67f290f9d56e698aa8c9c7a779115813 [2018-12-08 20:24:06,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:24:06,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:24:06,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:24:06,656 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:24:06,656 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:24:06,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-12-08 20:24:06,691 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/data/942d94f45/47c2a8f298484e3a91429ca06a48061c/FLAGcd49de1d5 [2018-12-08 20:24:07,155 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:24:07,155 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-12-08 20:24:07,161 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/data/942d94f45/47c2a8f298484e3a91429ca06a48061c/FLAGcd49de1d5 [2018-12-08 20:24:07,170 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/data/942d94f45/47c2a8f298484e3a91429ca06a48061c [2018-12-08 20:24:07,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:24:07,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:24:07,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:24:07,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:24:07,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:24:07,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f79c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07, skipping insertion in model container [2018-12-08 20:24:07,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:24:07,212 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:24:07,392 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:24:07,395 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:24:07,478 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:24:07,487 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:24:07,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07 WrapperNode [2018-12-08 20:24:07,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:24:07,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:24:07,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:24:07,488 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:24:07,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:24:07,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:24:07,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:24:07,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:24:07,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... [2018-12-08 20:24:07,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:24:07,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:24:07,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:24:07,561 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:24:07,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:24:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:24:07,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:24:08,555 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:24:08,556 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 20:24:08,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:24:08 BoogieIcfgContainer [2018-12-08 20:24:08,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:24:08,557 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:24:08,557 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:24:08,566 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:24:08,566 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:24:08" (1/1) ... [2018-12-08 20:24:08,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 20:24:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 20:24:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 20:24:08,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:09,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-08 20:24:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-08 20:24:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 20:24:09,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-08 20:24:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-08 20:24:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 20:24:09,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-08 20:24:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-08 20:24:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 20:24:09,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:24:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 230 states and 325 transitions. [2018-12-08 20:24:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2018-12-08 20:24:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 20:24:09,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:24:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 252 states and 354 transitions. [2018-12-08 20:24:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 354 transitions. [2018-12-08 20:24:10,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 20:24:10,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 20:24:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2018-12-08 20:24:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2018-12-08 20:24:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 20:24:10,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:24:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 267 states and 375 transitions. [2018-12-08 20:24:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 375 transitions. [2018-12-08 20:24:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 20:24:10,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 278 states and 397 transitions. [2018-12-08 20:24:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 397 transitions. [2018-12-08 20:24:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 20:24:11,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 280 states and 400 transitions. [2018-12-08 20:24:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 400 transitions. [2018-12-08 20:24:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 20:24:11,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 283 states and 403 transitions. [2018-12-08 20:24:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 403 transitions. [2018-12-08 20:24:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 20:24:11,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 287 states and 408 transitions. [2018-12-08 20:24:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 408 transitions. [2018-12-08 20:24:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 20:24:11,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 292 states and 413 transitions. [2018-12-08 20:24:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2018-12-08 20:24:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 20:24:11,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:24:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 419 transitions. [2018-12-08 20:24:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2018-12-08 20:24:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:24:11,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 20:24:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 304 states and 429 transitions. [2018-12-08 20:24:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 429 transitions. [2018-12-08 20:24:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:24:12,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 20:24:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 307 states and 433 transitions. [2018-12-08 20:24:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 433 transitions. [2018-12-08 20:24:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:24:12,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 20:24:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 310 states and 438 transitions. [2018-12-08 20:24:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 438 transitions. [2018-12-08 20:24:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 20:24:12,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 20:24:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 312 states and 440 transitions. [2018-12-08 20:24:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 440 transitions. [2018-12-08 20:24:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:24:12,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 20:24:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 317 states and 447 transitions. [2018-12-08 20:24:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 447 transitions. [2018-12-08 20:24:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:24:13,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 329 states and 463 transitions. [2018-12-08 20:24:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 463 transitions. [2018-12-08 20:24:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:24:13,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 20:24:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 332 states and 466 transitions. [2018-12-08 20:24:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 466 transitions. [2018-12-08 20:24:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 20:24:13,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:24:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 346 states and 480 transitions. [2018-12-08 20:24:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 480 transitions. [2018-12-08 20:24:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:24:14,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 391 states and 529 transitions. [2018-12-08 20:24:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 529 transitions. [2018-12-08 20:24:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 20:24:14,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:24:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 398 states and 538 transitions. [2018-12-08 20:24:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 538 transitions. [2018-12-08 20:24:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 20:24:14,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 20:24:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 416 states and 558 transitions. [2018-12-08 20:24:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 558 transitions. [2018-12-08 20:24:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 20:24:15,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 20:24:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 444 states and 601 transitions. [2018-12-08 20:24:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 601 transitions. [2018-12-08 20:24:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 20:24:16,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 20:24:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 449 states and 606 transitions. [2018-12-08 20:24:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 606 transitions. [2018-12-08 20:24:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 20:24:16,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 20:24:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 453 states and 609 transitions. [2018-12-08 20:24:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 609 transitions. [2018-12-08 20:24:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 20:24:17,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:18,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 518 states and 676 transitions. [2018-12-08 20:24:18,703 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 676 transitions. [2018-12-08 20:24:18,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 20:24:18,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 20:24:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 573 states and 736 transitions. [2018-12-08 20:24:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 736 transitions. [2018-12-08 20:24:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:24:21,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:24,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 635 states and 811 transitions. [2018-12-08 20:24:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 811 transitions. [2018-12-08 20:24:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:24:24,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 646 states and 823 transitions. [2018-12-08 20:24:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 823 transitions. [2018-12-08 20:24:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:24:24,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 649 states and 827 transitions. [2018-12-08 20:24:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 827 transitions. [2018-12-08 20:24:25,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 20:24:25,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:24:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 650 states and 827 transitions. [2018-12-08 20:24:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 827 transitions. [2018-12-08 20:24:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:24:25,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 719 states and 901 transitions. [2018-12-08 20:24:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 901 transitions. [2018-12-08 20:24:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 20:24:26,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:24:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 728 states and 915 transitions. [2018-12-08 20:24:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 915 transitions. [2018-12-08 20:24:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 20:24:27,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 20:24:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 733 states and 920 transitions. [2018-12-08 20:24:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 920 transitions. [2018-12-08 20:24:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 20:24:27,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 20:24:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 802 states and 990 transitions. [2018-12-08 20:24:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 990 transitions. [2018-12-08 20:24:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 20:24:28,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 20:24:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 827 states and 1022 transitions. [2018-12-08 20:24:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1022 transitions. [2018-12-08 20:24:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 20:24:30,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 20:24:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 831 states and 1027 transitions. [2018-12-08 20:24:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1027 transitions. [2018-12-08 20:24:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 20:24:31,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 20:24:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 833 states and 1028 transitions. [2018-12-08 20:24:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1028 transitions. [2018-12-08 20:24:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:24:31,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 20:24:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 844 states and 1044 transitions. [2018-12-08 20:24:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1044 transitions. [2018-12-08 20:24:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:24:32,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 20:24:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 846 states and 1047 transitions. [2018-12-08 20:24:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1047 transitions. [2018-12-08 20:24:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 20:24:32,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-08 20:24:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 848 states and 1048 transitions. [2018-12-08 20:24:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1048 transitions. [2018-12-08 20:24:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 20:24:33,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 20:24:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 850 states and 1050 transitions. [2018-12-08 20:24:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1050 transitions. [2018-12-08 20:24:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 20:24:33,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 913 states and 1126 transitions. [2018-12-08 20:24:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1126 transitions. [2018-12-08 20:24:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 20:24:38,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 920 states and 1136 transitions. [2018-12-08 20:24:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1136 transitions. [2018-12-08 20:24:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 20:24:39,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 939 states and 1156 transitions. [2018-12-08 20:24:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1156 transitions. [2018-12-08 20:24:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:24:41,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 20:24:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 946 states and 1171 transitions. [2018-12-08 20:24:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1171 transitions. [2018-12-08 20:24:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:24:43,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 20:24:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 950 states and 1179 transitions. [2018-12-08 20:24:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1179 transitions. [2018-12-08 20:24:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 20:24:44,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 20:24:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 952 states and 1181 transitions. [2018-12-08 20:24:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1181 transitions. [2018-12-08 20:24:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 20:24:44,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 20:24:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 955 states and 1185 transitions. [2018-12-08 20:24:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1185 transitions. [2018-12-08 20:24:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 20:24:44,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 20:24:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:45,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1000 states and 1237 transitions. [2018-12-08 20:24:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1237 transitions. [2018-12-08 20:24:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 20:24:45,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 20:24:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1003 states and 1241 transitions. [2018-12-08 20:24:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1241 transitions. [2018-12-08 20:24:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 20:24:46,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 20:24:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1006 states and 1244 transitions. [2018-12-08 20:24:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1244 transitions. [2018-12-08 20:24:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:24:46,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1075 states and 1333 transitions. [2018-12-08 20:24:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1333 transitions. [2018-12-08 20:24:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:24:53,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1094 states and 1354 transitions. [2018-12-08 20:24:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1354 transitions. [2018-12-08 20:24:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:24:55,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1096 states and 1356 transitions. [2018-12-08 20:24:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1356 transitions. [2018-12-08 20:24:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 20:24:56,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-08 20:24:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:24:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1137 states and 1401 transitions. [2018-12-08 20:24:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1401 transitions. [2018-12-08 20:24:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 20:24:59,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:24:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-08 20:25:00,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1151 states and 1415 transitions. [2018-12-08 20:25:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1415 transitions. [2018-12-08 20:25:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:25:00,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:25:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1155 states and 1422 transitions. [2018-12-08 20:25:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1422 transitions. [2018-12-08 20:25:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:25:02,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:25:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1158 states and 1426 transitions. [2018-12-08 20:25:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1426 transitions. [2018-12-08 20:25:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:25:03,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 20:25:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1228 states and 1499 transitions. [2018-12-08 20:25:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1499 transitions. [2018-12-08 20:25:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 20:25:04,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:04,967 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:25:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1252 states and 1528 transitions. [2018-12-08 20:25:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1528 transitions. [2018-12-08 20:25:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 20:25:07,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:25:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1254 states and 1530 transitions. [2018-12-08 20:25:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1530 transitions. [2018-12-08 20:25:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 20:25:07,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 20:25:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1279 states and 1555 transitions. [2018-12-08 20:25:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1555 transitions. [2018-12-08 20:25:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:25:08,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 20:25:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1327 states and 1608 transitions. [2018-12-08 20:25:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1608 transitions. [2018-12-08 20:25:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:25:13,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 20:25:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1327 states and 1607 transitions. [2018-12-08 20:25:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1607 transitions. [2018-12-08 20:25:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 20:25:13,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 20:25:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1347 states and 1634 transitions. [2018-12-08 20:25:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1634 transitions. [2018-12-08 20:25:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 20:25:18,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 20:25:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1349 states and 1635 transitions. [2018-12-08 20:25:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1635 transitions. [2018-12-08 20:25:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-08 20:25:18,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 20:25:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1419 states and 1708 transitions. [2018-12-08 20:25:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1708 transitions. [2018-12-08 20:25:19,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 20:25:19,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 20:25:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1426 states and 1716 transitions. [2018-12-08 20:25:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1716 transitions. [2018-12-08 20:25:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 20:25:20,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:25:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1455 states and 1755 transitions. [2018-12-08 20:25:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1755 transitions. [2018-12-08 20:25:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 20:25:28,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:25:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1460 states and 1761 transitions. [2018-12-08 20:25:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1761 transitions. [2018-12-08 20:25:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-08 20:25:29,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:25:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1497 states and 1802 transitions. [2018-12-08 20:25:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1802 transitions. [2018-12-08 20:25:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-08 20:25:37,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:25:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1502 states and 1806 transitions. [2018-12-08 20:25:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1806 transitions. [2018-12-08 20:25:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-08 20:25:39,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 20:25:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1517 states and 1820 transitions. [2018-12-08 20:25:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1820 transitions. [2018-12-08 20:25:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 20:25:40,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 20:25:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:25:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1612 states and 1947 transitions. [2018-12-08 20:25:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1947 transitions. [2018-12-08 20:25:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 20:25:57,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:25:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:25:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 20:26:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1626 states and 1965 transitions. [2018-12-08 20:26:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1965 transitions. [2018-12-08 20:26:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 20:26:03,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 20:26:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1653 states and 1992 transitions. [2018-12-08 20:26:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1992 transitions. [2018-12-08 20:26:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 20:26:04,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:26:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1666 states and 2010 transitions. [2018-12-08 20:26:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2010 transitions. [2018-12-08 20:26:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 20:26:08,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:26:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1671 states and 2015 transitions. [2018-12-08 20:26:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2015 transitions. [2018-12-08 20:26:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 20:26:09,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:26:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1674 states and 2019 transitions. [2018-12-08 20:26:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2019 transitions. [2018-12-08 20:26:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 20:26:09,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 20:26:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1738 states and 2094 transitions. [2018-12-08 20:26:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2094 transitions. [2018-12-08 20:26:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 20:26:19,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 20:26:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1746 states and 2102 transitions. [2018-12-08 20:26:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2102 transitions. [2018-12-08 20:26:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 20:26:20,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 20:26:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1770 states and 2125 transitions. [2018-12-08 20:26:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2125 transitions. [2018-12-08 20:26:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 20:26:21,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 20:26:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1802 states and 2159 transitions. [2018-12-08 20:26:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2159 transitions. [2018-12-08 20:26:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 20:26:29,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:26:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1852 states and 2216 transitions. [2018-12-08 20:26:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2216 transitions. [2018-12-08 20:26:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 20:26:48,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:26:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:26:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1857 states and 2221 transitions. [2018-12-08 20:26:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2221 transitions. [2018-12-08 20:26:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 20:26:50,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:26:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:26:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:27:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1905 states and 2270 transitions. [2018-12-08 20:27:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2270 transitions. [2018-12-08 20:27:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 20:27:00,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:27:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 1974 states and 2342 transitions. [2018-12-08 20:27:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2342 transitions. [2018-12-08 20:27:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 20:27:01,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 20:27:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1976 states and 2344 transitions. [2018-12-08 20:27:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2344 transitions. [2018-12-08 20:27:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 20:27:02,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-08 20:27:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1979 states and 2348 transitions. [2018-12-08 20:27:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2348 transitions. [2018-12-08 20:27:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 20:27:04,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 20:27:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2038 states and 2417 transitions. [2018-12-08 20:27:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2417 transitions. [2018-12-08 20:27:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 20:27:14,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 20:27:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2040 states and 2417 transitions. [2018-12-08 20:27:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2417 transitions. [2018-12-08 20:27:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 20:27:16,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:27:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2052 states and 2431 transitions. [2018-12-08 20:27:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2431 transitions. [2018-12-08 20:27:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 20:27:21,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:27:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2057 states and 2435 transitions. [2018-12-08 20:27:23,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2435 transitions. [2018-12-08 20:27:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 20:27:23,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:27:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2060 states and 2438 transitions. [2018-12-08 20:27:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2438 transitions. [2018-12-08 20:27:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 20:27:24,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 20:27:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2087 states and 2468 transitions. [2018-12-08 20:27:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2468 transitions. [2018-12-08 20:27:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 20:27:35,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 20:27:36,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2088 states and 2468 transitions. [2018-12-08 20:27:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2468 transitions. [2018-12-08 20:27:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 20:27:36,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:27:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2136 states and 2518 transitions. [2018-12-08 20:27:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2518 transitions. [2018-12-08 20:27:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 20:27:43,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:27:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:27:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2205 states and 2590 transitions. [2018-12-08 20:27:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2590 transitions. [2018-12-08 20:27:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 20:27:46,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:27:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:27:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 20:28:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2333 states and 2729 transitions. [2018-12-08 20:28:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2729 transitions. [2018-12-08 20:28:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 20:28:00,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:28:06,464 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 20:28:11,044 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:28:12,843 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:28:14,268 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:28:15,538 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:28:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2373 states and 2772 transitions. [2018-12-08 20:28:17,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 2772 transitions. [2018-12-08 20:28:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 20:28:17,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:28:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2402 states and 2799 transitions. [2018-12-08 20:28:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2799 transitions. [2018-12-08 20:28:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 20:28:24,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:28:32,851 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-08 20:28:35,216 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-08 20:28:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2442 states and 2843 transitions. [2018-12-08 20:28:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2843 transitions. [2018-12-08 20:28:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 20:28:40,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:28:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2444 states and 2844 transitions. [2018-12-08 20:28:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2844 transitions. [2018-12-08 20:28:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 20:28:41,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:28:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2450 states and 2849 transitions. [2018-12-08 20:28:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2849 transitions. [2018-12-08 20:28:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-08 20:28:43,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-08 20:28:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2455 states and 2861 transitions. [2018-12-08 20:28:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 2861 transitions. [2018-12-08 20:28:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:28:44,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:28:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2459 states and 2865 transitions. [2018-12-08 20:28:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2865 transitions. [2018-12-08 20:28:45,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:28:45,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:28:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2529 states and 2947 transitions. [2018-12-08 20:28:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2947 transitions. [2018-12-08 20:28:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:28:55,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:28:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2535 states and 2954 transitions. [2018-12-08 20:28:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2954 transitions. [2018-12-08 20:28:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:28:56,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:28:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2562 states and 2984 transitions. [2018-12-08 20:28:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 2984 transitions. [2018-12-08 20:28:58,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:28:58,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:28:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:28:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2565 states and 2986 transitions. [2018-12-08 20:28:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 2986 transitions. [2018-12-08 20:28:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:28:58,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:28:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:28:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 2613 states and 3037 transitions. [2018-12-08 20:29:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3037 transitions. [2018-12-08 20:29:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:29:03,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:29:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 2616 states and 3040 transitions. [2018-12-08 20:29:05,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3040 transitions. [2018-12-08 20:29:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:29:05,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:29:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2658 states and 3083 transitions. [2018-12-08 20:29:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3083 transitions. [2018-12-08 20:29:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:29:06,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:29:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 2696 states and 3121 transitions. [2018-12-08 20:29:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3121 transitions. [2018-12-08 20:29:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:29:07,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:29:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 2700 states and 3125 transitions. [2018-12-08 20:29:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3125 transitions. [2018-12-08 20:29:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:29:08,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:29:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:08,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:14,311 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2018-12-08 20:29:17,043 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2018-12-08 20:29:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2740 states and 3171 transitions. [2018-12-08 20:29:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3171 transitions. [2018-12-08 20:29:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:29:25,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:29:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:29:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:29:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:29:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2315 states and 2705 transitions. [2018-12-08 20:29:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2705 transitions. [2018-12-08 20:29:26,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:29:26,828 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 121 iterations. [2018-12-08 20:29:26,836 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 20:29:26,957 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:27,063 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2018-12-08 20:29:27,235 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-08 20:29:27,346 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:27,530 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 42 [2018-12-08 20:29:27,756 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 40 [2018-12-08 20:29:27,972 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2018-12-08 20:29:28,155 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-08 20:29:28,344 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-08 20:29:28,630 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-12-08 20:29:28,796 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-08 20:29:28,962 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-12-08 20:29:29,211 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 38 [2018-12-08 20:29:29,480 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-08 20:29:29,696 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 31 [2018-12-08 20:29:29,857 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-12-08 20:29:30,006 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2018-12-08 20:29:30,318 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 41 [2018-12-08 20:29:30,441 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:30,603 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 39 [2018-12-08 20:29:30,770 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 40 [2018-12-08 20:29:30,982 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:31,086 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 39 [2018-12-08 20:29:31,189 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 39 [2018-12-08 20:29:31,380 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:31,556 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:31,660 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 39 [2018-12-08 20:29:31,834 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-08 20:29:32,011 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2018-12-08 20:29:32,268 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 38 [2018-12-08 20:29:32,464 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2018-12-08 20:29:32,638 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 40 [2018-12-08 20:29:32,908 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 40 [2018-12-08 20:29:33,074 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2018-12-08 20:29:33,182 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2018-12-08 20:29:33,413 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2018-12-08 20:29:33,615 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-12-08 20:29:33,798 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:33,904 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-12-08 20:29:34,138 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2018-12-08 20:29:34,309 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-08 20:29:34,475 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2018-12-08 20:29:34,909 WARN L180 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 71 [2018-12-08 20:29:35,195 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2018-12-08 20:29:35,325 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-08 20:29:35,537 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 42 [2018-12-08 20:29:35,823 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 39 [2018-12-08 20:29:36,018 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 39 [2018-12-08 20:29:36,257 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 40 [2018-12-08 20:29:36,400 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-12-08 20:29:36,401 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 20:29:36,403 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-08 20:29:36,408 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-08 20:29:36,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:29:36 ImpRootNode [2018-12-08 20:29:36,409 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:29:36,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:29:36,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:29:36,409 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:29:36,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:24:08" (3/4) ... [2018-12-08 20:29:36,412 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:29:36,422 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-08 20:29:36,423 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 20:29:36,423 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 20:29:36,424 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 20:29:36,482 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e69959a-45c2-4f30-87a3-9780e9d5bbef/bin-2019/ukojak/witness.graphml [2018-12-08 20:29:36,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:29:36,483 INFO L168 Benchmark]: Toolchain (without parser) took 329310.82 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 950.6 MB in the beginning and 1.6 GB in the end (delta: -665.3 MB). Peak memory consumption was 482.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,483 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:29:36,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,484 INFO L168 Benchmark]: Boogie Preprocessor took 30.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,484 INFO L168 Benchmark]: RCFGBuilder took 994.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.3 MB in the end (delta: 216.3 MB). Peak memory consumption was 216.3 MB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,485 INFO L168 Benchmark]: CodeCheck took 327852.35 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 876.3 MB in the beginning and 1.6 GB in the end (delta: -765.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,485 INFO L168 Benchmark]: Witness Printer took 73.30 ms. Allocated memory is still 2.2 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:29:36,486 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, 318.2s OverallTime, 121 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 645558616 SDtfs, 1679033308 SDslu, -1366657024 SDs, 0 SdLazy, 2101818420 SolverSat, -1981874176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 459.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174962 GetRequests, 168507 SyntacticMatches, 4617 SemanticMatches, 1838 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2422590 ImplicationChecksByTransitivity, 292.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 38.7s InterpolantComputationTime, 26609 NumberOfCodeBlocks, 26609 NumberOfCodeBlocksAsserted, 120 NumberOfCheckSat, 26489 ConstructedInterpolants, 0 QuantifiedInterpolants, 42055950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 120 InterpolantComputations, 84 PerfectInterpolantSequences, 42174/42663 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: 476]: 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) || !(a7 == 1)) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 994.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.3 MB in the end (delta: 216.3 MB). Peak memory consumption was 216.3 MB. Max. memory is 11.5 GB. * CodeCheck took 327852.35 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 876.3 MB in the beginning and 1.6 GB in the end (delta: -765.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 73.30 ms. Allocated memory is still 2.2 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...