./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:51:08,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:51:08,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:51:08,173 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:51:08,173 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:51:08,173 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:51:08,174 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:51:08,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:51:08,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:51:08,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:51:08,177 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:51:08,177 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:51:08,178 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:51:08,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:51:08,179 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:51:08,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:51:08,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:51:08,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:51:08,183 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:51:08,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:51:08,185 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:51:08,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:51:08,187 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:51:08,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:51:08,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:51:08,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:51:08,189 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:51:08,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:51:08,190 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:51:08,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:51:08,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:51:08,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:51:08,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:51:08,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:51:08,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:51:08,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:51:08,192 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:51:08,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:51:08,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:51:08,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:51:08,202 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:51:08,202 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:51:08,202 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:51:08,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:51:08,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:51:08,203 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:51:08,203 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:51:08,203 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:51:08,203 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:51:08,203 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:51:08,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:51:08,204 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:51:08,204 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:51:08,204 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:51:08,204 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:51:08,204 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:51:08,204 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:51:08,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:51:08,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:51:08,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:51:08,205 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:51:08,205 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:51:08,205 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:51:08,206 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:51:08,206 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:51:08,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:51:08,206 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_dff7911c-c410-48f2-9229-2008942b2582/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2018-11-18 08:51:08,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:51:08,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:51:08,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:51:08,238 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:51:08,239 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:51:08,239 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-18 08:51:08,277 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/data/837f187d4/5951a70e05a14989802d0568441e4c83/FLAG548368260 [2018-11-18 08:51:08,714 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:51:08,715 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-18 08:51:08,724 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/data/837f187d4/5951a70e05a14989802d0568441e4c83/FLAG548368260 [2018-11-18 08:51:08,735 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/data/837f187d4/5951a70e05a14989802d0568441e4c83 [2018-11-18 08:51:08,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:51:08,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:51:08,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:51:08,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:51:08,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:51:08,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:08" (1/1) ... [2018-11-18 08:51:08,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:08, skipping insertion in model container [2018-11-18 08:51:08,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:08" (1/1) ... [2018-11-18 08:51:08,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:51:08,783 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:51:09,010 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:51:09,013 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:51:09,076 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:51:09,089 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:51:09,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09 WrapperNode [2018-11-18 08:51:09,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:51:09,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:51:09,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:51:09,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:51:09,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:51:09,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:51:09,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:51:09,196 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:51:09,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... [2018-11-18 08:51:09,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:51:09,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:51:09,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:51:09,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:51:09,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:51:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:51:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:51:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:51:10,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:51:10,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:10 BoogieIcfgContainer [2018-11-18 08:51:10,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:51:10,654 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:51:10,654 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:51:10,661 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:51:10,661 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:10" (1/1) ... [2018-11-18 08:51:10,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 08:51:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 08:51:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 08:51:10,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:51:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 08:51:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 08:51:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 08:51:11,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:51:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 245 states and 328 transitions. [2018-11-18 08:51:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 328 transitions. [2018-11-18 08:51:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 08:51:11,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:51:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 246 states and 329 transitions. [2018-11-18 08:51:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 329 transitions. [2018-11-18 08:51:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 08:51:11,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 08:51:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 248 states and 332 transitions. [2018-11-18 08:51:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2018-11-18 08:51:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 08:51:12,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-11-18 08:51:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-11-18 08:51:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 08:51:12,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 288 states and 387 transitions. [2018-11-18 08:51:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 387 transitions. [2018-11-18 08:51:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 08:51:12,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 307 states and 416 transitions. [2018-11-18 08:51:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2018-11-18 08:51:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 08:51:13,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 312 states and 424 transitions. [2018-11-18 08:51:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2018-11-18 08:51:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 08:51:13,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 316 states and 428 transitions. [2018-11-18 08:51:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 428 transitions. [2018-11-18 08:51:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 08:51:13,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:51:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-11-18 08:51:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-11-18 08:51:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 08:51:13,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:51:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 321 states and 437 transitions. [2018-11-18 08:51:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2018-11-18 08:51:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 08:51:13,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:51:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 335 states and 451 transitions. [2018-11-18 08:51:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 451 transitions. [2018-11-18 08:51:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 08:51:13,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 08:51:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 340 states and 458 transitions. [2018-11-18 08:51:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 458 transitions. [2018-11-18 08:51:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 08:51:14,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 08:51:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:14,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-11-18 08:51:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-11-18 08:51:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 08:51:14,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 383 states and 515 transitions. [2018-11-18 08:51:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 515 transitions. [2018-11-18 08:51:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 08:51:15,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:51:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2018-11-18 08:51:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2018-11-18 08:51:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 08:51:15,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:51:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 402 states and 537 transitions. [2018-11-18 08:51:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2018-11-18 08:51:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 08:51:15,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 415 states and 553 transitions. [2018-11-18 08:51:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 553 transitions. [2018-11-18 08:51:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 08:51:16,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 433 states and 574 transitions. [2018-11-18 08:51:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 574 transitions. [2018-11-18 08:51:16,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 08:51:16,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 437 states and 579 transitions. [2018-11-18 08:51:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 579 transitions. [2018-11-18 08:51:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 08:51:17,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 450 states and 593 transitions. [2018-11-18 08:51:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 593 transitions. [2018-11-18 08:51:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 08:51:17,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 454 states and 598 transitions. [2018-11-18 08:51:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 598 transitions. [2018-11-18 08:51:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 08:51:17,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 473 states and 620 transitions. [2018-11-18 08:51:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 620 transitions. [2018-11-18 08:51:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 08:51:17,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 474 states and 622 transitions. [2018-11-18 08:51:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 622 transitions. [2018-11-18 08:51:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 08:51:18,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 08:51:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 478 states and 625 transitions. [2018-11-18 08:51:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 625 transitions. [2018-11-18 08:51:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 08:51:18,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 08:51:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 506 states and 653 transitions. [2018-11-18 08:51:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 653 transitions. [2018-11-18 08:51:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 08:51:18,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:51:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 511 states and 657 transitions. [2018-11-18 08:51:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 657 transitions. [2018-11-18 08:51:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 08:51:18,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 525 states and 672 transitions. [2018-11-18 08:51:19,280 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 672 transitions. [2018-11-18 08:51:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 08:51:19,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 537 states and 683 transitions. [2018-11-18 08:51:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 683 transitions. [2018-11-18 08:51:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 08:51:19,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 556 states and 702 transitions. [2018-11-18 08:51:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 702 transitions. [2018-11-18 08:51:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 08:51:19,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 598 states and 756 transitions. [2018-11-18 08:51:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 756 transitions. [2018-11-18 08:51:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 08:51:21,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 613 states and 770 transitions. [2018-11-18 08:51:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 770 transitions. [2018-11-18 08:51:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 08:51:21,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 625 states and 781 transitions. [2018-11-18 08:51:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 781 transitions. [2018-11-18 08:51:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 08:51:22,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 627 states and 783 transitions. [2018-11-18 08:51:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 783 transitions. [2018-11-18 08:51:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 08:51:22,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,183 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:51:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 628 states and 784 transitions. [2018-11-18 08:51:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 784 transitions. [2018-11-18 08:51:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 08:51:22,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 633 states and 791 transitions. [2018-11-18 08:51:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 791 transitions. [2018-11-18 08:51:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 08:51:22,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 634 states and 792 transitions. [2018-11-18 08:51:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 792 transitions. [2018-11-18 08:51:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 08:51:22,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 08:51:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 636 states and 793 transitions. [2018-11-18 08:51:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2018-11-18 08:51:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 08:51:22,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 08:51:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 650 states and 807 transitions. [2018-11-18 08:51:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 807 transitions. [2018-11-18 08:51:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 08:51:22,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 669 states and 829 transitions. [2018-11-18 08:51:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-18 08:51:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 08:51:23,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 670 states and 830 transitions. [2018-11-18 08:51:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 830 transitions. [2018-11-18 08:51:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 08:51:23,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 673 states and 833 transitions. [2018-11-18 08:51:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 833 transitions. [2018-11-18 08:51:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 08:51:23,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 684 states and 844 transitions. [2018-11-18 08:51:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 844 transitions. [2018-11-18 08:51:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 08:51:23,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 697 states and 858 transitions. [2018-11-18 08:51:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 858 transitions. [2018-11-18 08:51:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 08:51:24,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:51:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 701 states and 862 transitions. [2018-11-18 08:51:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 862 transitions. [2018-11-18 08:51:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 08:51:24,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 725 states and 887 transitions. [2018-11-18 08:51:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 887 transitions. [2018-11-18 08:51:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 08:51:24,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 742 states and 907 transitions. [2018-11-18 08:51:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 907 transitions. [2018-11-18 08:51:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 08:51:25,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:25,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 754 states and 918 transitions. [2018-11-18 08:51:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 918 transitions. [2018-11-18 08:51:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 08:51:25,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 776 states and 941 transitions. [2018-11-18 08:51:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 941 transitions. [2018-11-18 08:51:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 08:51:26,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 804 states and 969 transitions. [2018-11-18 08:51:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 969 transitions. [2018-11-18 08:51:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 08:51:26,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 808 states and 973 transitions. [2018-11-18 08:51:26,375 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 973 transitions. [2018-11-18 08:51:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 08:51:26,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 818 states and 984 transitions. [2018-11-18 08:51:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 984 transitions. [2018-11-18 08:51:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 08:51:26,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 08:51:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 836 states and 1004 transitions. [2018-11-18 08:51:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1004 transitions. [2018-11-18 08:51:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 08:51:26,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 848 states and 1019 transitions. [2018-11-18 08:51:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1019 transitions. [2018-11-18 08:51:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 08:51:27,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 08:51:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 849 states and 1020 transitions. [2018-11-18 08:51:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1020 transitions. [2018-11-18 08:51:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 08:51:27,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 08:51:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 850 states and 1020 transitions. [2018-11-18 08:51:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1020 transitions. [2018-11-18 08:51:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 08:51:27,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 854 states and 1025 transitions. [2018-11-18 08:51:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1025 transitions. [2018-11-18 08:51:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 08:51:27,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 188 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 867 states and 1045 transitions. [2018-11-18 08:51:29,419 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1045 transitions. [2018-11-18 08:51:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 08:51:29,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:51:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 939 states and 1125 transitions. [2018-11-18 08:51:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1125 transitions. [2018-11-18 08:51:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 08:51:30,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:51:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 940 states and 1125 transitions. [2018-11-18 08:51:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1125 transitions. [2018-11-18 08:51:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 08:51:30,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 08:51:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 941 states and 1125 transitions. [2018-11-18 08:51:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1125 transitions. [2018-11-18 08:51:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 08:51:30,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 942 states and 1125 transitions. [2018-11-18 08:51:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1125 transitions. [2018-11-18 08:51:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 08:51:30,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 08:51:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 967 states and 1150 transitions. [2018-11-18 08:51:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1150 transitions. [2018-11-18 08:51:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 08:51:31,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 08:51:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 973 states and 1156 transitions. [2018-11-18 08:51:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1156 transitions. [2018-11-18 08:51:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 08:51:31,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 08:51:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 974 states and 1156 transitions. [2018-11-18 08:51:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1156 transitions. [2018-11-18 08:51:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 08:51:31,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 08:51:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1050 states and 1238 transitions. [2018-11-18 08:51:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1238 transitions. [2018-11-18 08:51:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 08:51:32,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 08:51:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1053 states and 1241 transitions. [2018-11-18 08:51:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1241 transitions. [2018-11-18 08:51:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 08:51:32,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:51:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1086 states and 1278 transitions. [2018-11-18 08:51:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1278 transitions. [2018-11-18 08:51:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 08:51:33,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 08:51:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1087 states and 1278 transitions. [2018-11-18 08:51:33,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1278 transitions. [2018-11-18 08:51:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 08:51:33,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 08:51:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1098 states and 1291 transitions. [2018-11-18 08:51:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1291 transitions. [2018-11-18 08:51:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 08:51:33,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 08:51:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1121 states and 1318 transitions. [2018-11-18 08:51:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1318 transitions. [2018-11-18 08:51:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 08:51:34,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 08:51:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1141 states and 1340 transitions. [2018-11-18 08:51:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1340 transitions. [2018-11-18 08:51:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 08:51:35,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 08:51:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1142 states and 1342 transitions. [2018-11-18 08:51:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1342 transitions. [2018-11-18 08:51:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 08:51:35,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 08:51:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1146 states and 1346 transitions. [2018-11-18 08:51:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1346 transitions. [2018-11-18 08:51:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 08:51:36,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 08:51:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1180 states and 1386 transitions. [2018-11-18 08:51:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1386 transitions. [2018-11-18 08:51:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 08:51:36,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 08:51:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1184 states and 1391 transitions. [2018-11-18 08:51:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1391 transitions. [2018-11-18 08:51:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 08:51:37,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 08:51:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1185 states and 1391 transitions. [2018-11-18 08:51:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1391 transitions. [2018-11-18 08:51:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 08:51:37,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 08:51:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1189 states and 1397 transitions. [2018-11-18 08:51:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1397 transitions. [2018-11-18 08:51:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 08:51:37,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 08:51:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1207 states and 1414 transitions. [2018-11-18 08:51:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1414 transitions. [2018-11-18 08:51:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-18 08:51:38,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 08:51:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1245 states and 1454 transitions. [2018-11-18 08:51:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1454 transitions. [2018-11-18 08:51:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 08:51:38,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 08:51:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1309 states and 1524 transitions. [2018-11-18 08:51:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1524 transitions. [2018-11-18 08:51:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 08:51:41,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 08:51:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1313 states and 1528 transitions. [2018-11-18 08:51:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1528 transitions. [2018-11-18 08:51:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 08:51:41,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 08:51:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1316 states and 1530 transitions. [2018-11-18 08:51:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1530 transitions. [2018-11-18 08:51:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 08:51:41,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 08:51:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1439 states and 1672 transitions. [2018-11-18 08:51:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1672 transitions. [2018-11-18 08:51:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 08:51:45,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 08:51:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1443 states and 1676 transitions. [2018-11-18 08:51:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1676 transitions. [2018-11-18 08:51:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 08:51:46,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 08:51:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1448 states and 1680 transitions. [2018-11-18 08:51:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1680 transitions. [2018-11-18 08:51:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 08:51:46,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 08:51:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1475 states and 1707 transitions. [2018-11-18 08:51:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1707 transitions. [2018-11-18 08:51:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 08:51:46,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 08:51:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1494 states and 1726 transitions. [2018-11-18 08:51:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1726 transitions. [2018-11-18 08:51:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 08:51:47,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 08:51:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1518 states and 1749 transitions. [2018-11-18 08:51:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1749 transitions. [2018-11-18 08:51:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 08:51:47,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 08:51:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1532 states and 1763 transitions. [2018-11-18 08:51:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1763 transitions. [2018-11-18 08:51:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 08:51:47,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 08:51:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1549 states and 1783 transitions. [2018-11-18 08:51:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1783 transitions. [2018-11-18 08:51:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 08:51:48,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:51:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 08:51:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:51:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1385 states and 1596 transitions. [2018-11-18 08:51:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1596 transitions. [2018-11-18 08:51:48,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:51:48,481 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 93 iterations. [2018-11-18 08:51:48,487 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 08:51:51,374 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:51:51,376 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 08:51:51,381 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 08:51:51,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:51:51 ImpRootNode [2018-11-18 08:51:51,381 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:51:51,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:51:51,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:51:51,382 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:51:51,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:10" (3/4) ... [2018-11-18 08:51:51,385 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:51:51,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 08:51:51,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-18 08:51:51,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 08:51:51,401 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 08:51:51,487 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dff7911c-c410-48f2-9229-2008942b2582/bin-2019/ukojak/witness.graphml [2018-11-18 08:51:51,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:51:51,489 INFO L168 Benchmark]: Toolchain (without parser) took 42750.96 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,490 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:51:51,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 916.1 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,490 INFO L168 Benchmark]: Boogie Preprocessor took 40.15 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,491 INFO L168 Benchmark]: RCFGBuilder took 1417.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 864.8 MB in the end (delta: 239.7 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,491 INFO L168 Benchmark]: CodeCheck took 40727.31 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 864.8 MB in the beginning and 1.1 GB in the end (delta: -230.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,491 INFO L168 Benchmark]: Witness Printer took 105.64 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:51,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 37.8s OverallTime, 93 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 362551312 SDtfs, -1195278436 SDslu, 1594457216 SDs, 0 SdLazy, 1722664978 SolverSat, 882504222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 186.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104544 GetRequests, 103081 SyntacticMatches, 867 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262959 ImplicationChecksByTransitivity, 27.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 16651 NumberOfCodeBlocks, 16651 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 16559 ConstructedInterpolants, 0 QuantifiedInterpolants, 7578458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 92 InterpolantComputations, 72 PerfectInterpolantSequences, 15827/16119 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: 469]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.1 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 916.1 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.15 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1417.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 864.8 MB in the end (delta: 239.7 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. * CodeCheck took 40727.31 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 864.8 MB in the beginning and 1.1 GB in the end (delta: -230.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 105.64 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...