./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_10.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/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 0f7b0b589689413087c164ce10eb80c902ee4046 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:23,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:23,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:23,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:23,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:23,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:23,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:23,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:23,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:23,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:23,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:23,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:23,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:23,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:23,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:23,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:23,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:23,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:23,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:23,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:23,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:23,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:23,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:23,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:23,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:23,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:23,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:23,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:23,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:23,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:23,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:23,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:23,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:23,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:23,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:23,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:23,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:23,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:23,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:23,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:23,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:23,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:23,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:23,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:23,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:23,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:23,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:23,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:23,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:23,077 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:23,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:23,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:23,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:23,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:23,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:23,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:23,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:23,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:23,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:23,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:23,089 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:23,089 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:23,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:23,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:23,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:23,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:23,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:23,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:23,090 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:23,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:23,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:23,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0dcf7aed-9692-4377-93bc-e98555114758/bin/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 -> 0f7b0b589689413087c164ce10eb80c902ee4046 [2019-10-22 10:12:23,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:23,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:23,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:23,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:23,140 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:23,141 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_10.c [2019-10-22 10:12:23,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/data/ee9522ce5/3723a45d2b2e4a788e7fa7b34a5fcf05/FLAG0c827de34 [2019-10-22 10:12:23,584 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:23,585 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/sv-benchmarks/c/locks/test_locks_10.c [2019-10-22 10:12:23,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/data/ee9522ce5/3723a45d2b2e4a788e7fa7b34a5fcf05/FLAG0c827de34 [2019-10-22 10:12:24,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/data/ee9522ce5/3723a45d2b2e4a788e7fa7b34a5fcf05 [2019-10-22 10:12:24,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:24,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:24,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:24,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:24,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:24,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4053b7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24, skipping insertion in model container [2019-10-22 10:12:24,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:24,081 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:24,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:24,239 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:24,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:24,334 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:24,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24 WrapperNode [2019-10-22 10:12:24,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:24,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:24,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:24,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:24,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:24,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:24,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:24,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:24,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:24,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:24,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:24,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:24,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/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 [2019-10-22 10:12:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:24,826 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:24,827 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:12:24,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:24 BoogieIcfgContainer [2019-10-22 10:12:24,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:24,828 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:24,828 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:24,839 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:24,839 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:24" (1/1) ... [2019-10-22 10:12:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2019-10-22 10:12:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2019-10-22 10:12:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:12:24,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2019-10-22 10:12:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2019-10-22 10:12:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:12:25,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2019-10-22 10:12:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2019-10-22 10:12:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:12:25,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2019-10-22 10:12:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2019-10-22 10:12:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:12:25,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2019-10-22 10:12:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2019-10-22 10:12:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:25,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-10-22 10:12:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-10-22 10:12:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:26,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2019-10-22 10:12:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-10-22 10:12:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:26,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2019-10-22 10:12:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2019-10-22 10:12:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:26,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2019-10-22 10:12:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2019-10-22 10:12:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:26,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2019-10-22 10:12:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2019-10-22 10:12:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:27,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2019-10-22 10:12:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2019-10-22 10:12:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:27,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2019-10-22 10:12:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2019-10-22 10:12:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:27,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2019-10-22 10:12:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2019-10-22 10:12:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:28,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-10-22 10:12:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-10-22 10:12:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:29,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2019-10-22 10:12:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2019-10-22 10:12:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:29,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2019-10-22 10:12:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2019-10-22 10:12:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:29,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2019-10-22 10:12:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2019-10-22 10:12:29,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:29,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2019-10-22 10:12:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2019-10-22 10:12:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:29,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2019-10-22 10:12:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2019-10-22 10:12:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:31,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-10-22 10:12:31,669 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-10-22 10:12:31,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:31,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2019-10-22 10:12:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2019-10-22 10:12:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:31,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2019-10-22 10:12:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2019-10-22 10:12:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:32,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-10-22 10:12:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-10-22 10:12:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:32,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2019-10-22 10:12:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-10-22 10:12:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:32,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2019-10-22 10:12:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2019-10-22 10:12:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:33,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2019-10-22 10:12:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2019-10-22 10:12:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:35,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-10-22 10:12:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-10-22 10:12:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:35,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2019-10-22 10:12:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2019-10-22 10:12:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:35,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2019-10-22 10:12:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2019-10-22 10:12:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:35,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-10-22 10:12:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-10-22 10:12:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:36,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2019-10-22 10:12:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-10-22 10:12:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:36,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2019-10-22 10:12:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2019-10-22 10:12:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:36,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2019-10-22 10:12:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2019-10-22 10:12:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:37,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2019-10-22 10:12:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2019-10-22 10:12:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:39,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2019-10-22 10:12:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2019-10-22 10:12:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:40,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2019-10-22 10:12:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2019-10-22 10:12:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:40,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:40,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2019-10-22 10:12:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2019-10-22 10:12:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:40,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-10-22 10:12:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-10-22 10:12:41,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:41,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2019-10-22 10:12:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2019-10-22 10:12:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:41,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2019-10-22 10:12:41,802 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-10-22 10:12:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:41,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2019-10-22 10:12:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2019-10-22 10:12:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:42,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2019-10-22 10:12:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2019-10-22 10:12:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:45,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-10-22 10:12:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-10-22 10:12:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:46,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-10-22 10:12:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-10-22 10:12:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:46,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2019-10-22 10:12:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2019-10-22 10:12:47,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:47,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2019-10-22 10:12:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2019-10-22 10:12:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:47,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-10-22 10:12:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-10-22 10:12:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:47,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-10-22 10:12:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-10-22 10:12:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:48,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2019-10-22 10:12:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2019-10-22 10:12:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:48,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2019-10-22 10:12:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2019-10-22 10:12:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:49,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2019-10-22 10:12:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2019-10-22 10:12:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:49,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2019-10-22 10:12:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2019-10-22 10:12:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:49,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2019-10-22 10:12:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2019-10-22 10:12:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:50,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2019-10-22 10:12:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 10:12:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:50,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2019-10-22 10:12:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2019-10-22 10:12:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:51,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2019-10-22 10:12:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-10-22 10:12:51,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:12:51,840 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2019-10-22 10:12:51,847 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:12:52,114 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:52,117 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:52,117 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:52,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:52 ImpRootNode [2019-10-22 10:12:52,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:52,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:52,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:52,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:52,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:24" (3/4) ... [2019-10-22 10:12:52,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:12:52,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:12:52,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:12:52,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:12:52,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0dcf7aed-9692-4377-93bc-e98555114758/bin/ukojak/witness.graphml [2019-10-22 10:12:52,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:52,187 INFO L168 Benchmark]: Toolchain (without parser) took 28140.97 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 597.2 MB). Free memory was 940.4 MB in the beginning and 1.4 GB in the end (delta: -474.7 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,187 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 964.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:52,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,188 INFO L168 Benchmark]: Boogie Preprocessor took 29.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,188 INFO L168 Benchmark]: RCFGBuilder took 427.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,189 INFO L168 Benchmark]: CodeCheck took 27289.39 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 457.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -339.9 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,189 INFO L168 Benchmark]: Witness Printer took 66.88 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:52,191 INFO L335 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, 28 locations, 1 error locations. Result: SAFE, OverallTime: 26.9s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 64508 SDslu, 0 SDs, 0 SdLazy, 320272376 SolverSat, -101057540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7099 GetRequests, 6699 SyntacticMatches, 0 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75511 ImplicationChecksByTransitivity, 24.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 42050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 55 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 161]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 964.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 427.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * CodeCheck took 27289.39 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 457.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -339.9 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. * Witness Printer took 66.88 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...