./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/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 ccd6d122756047ddb1225c106ac06a6748e14c22 .................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:54:52,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:54:52,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:54:52,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:54:52,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:54:52,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:54:52,427 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:54:52,428 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:54:52,429 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:54:52,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:54:52,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:54:52,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:54:52,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:54:52,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:54:52,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:54:52,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:54:52,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:54:52,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:54:52,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:54:52,434 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:54:52,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:54:52,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:54:52,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:54:52,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:54:52,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:54:52,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:54:52,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:54:52,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:54:52,439 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:54:52,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:54:52,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:54:52,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:54:52,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:54:52,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:54:52,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:54:52,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:54:52,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 22:54:52,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:54:52,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:54:52,449 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:54:52,449 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 22:54:52,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:54:52,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:54:52,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:54:52,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:54:52,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:54:52,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:54:52,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:54:52,451 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:54:52,451 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:54:52,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:54:52,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:54:52,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:54:52,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:54:52,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:54:52,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:54:52,452 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:54:52,452 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:54:52,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:54:52,452 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_3ae19c37-12f1-449c-aee1-6f86b70a9523/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 -> ccd6d122756047ddb1225c106ac06a6748e14c22 [2018-12-01 22:54:52,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:54:52,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:54:52,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:54:52,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:54:52,483 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:54:52,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-01 22:54:52,526 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/data/29aa40ed7/4f30681f0aad407e80ddd417f687e11c/FLAGeaed224f2 [2018-12-01 22:54:52,830 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:54:52,830 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-01 22:54:52,835 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/data/29aa40ed7/4f30681f0aad407e80ddd417f687e11c/FLAGeaed224f2 [2018-12-01 22:54:52,843 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/data/29aa40ed7/4f30681f0aad407e80ddd417f687e11c [2018-12-01 22:54:52,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:54:52,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:54:52,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:54:52,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:54:52,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:54:52,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:52,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52, skipping insertion in model container [2018-12-01 22:54:52,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:52,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:54:52,866 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:54:52,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:54:52,954 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:54:52,966 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:54:52,974 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:54:52,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52 WrapperNode [2018-12-01 22:54:52,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:54:52,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:54:52,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:54:52,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:54:52,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:52,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:52,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:54:52,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:54:52,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:54:52,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:54:52,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:52,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:52,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:53,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:53,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:53,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:53,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... [2018-12-01 22:54:53,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:54:53,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:54:53,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:54:53,036 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:54:53,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:54:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:54:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:54:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:54:53,258 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:54:53,258 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 22:54:53,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:54:53 BoogieIcfgContainer [2018-12-01 22:54:53,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:54:53,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:54:53,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:54:53,266 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:54:53,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:54:53" (1/1) ... [2018-12-01 22:54:53,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:54:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:53,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2018-12-01 22:54:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2018-12-01 22:54:53,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 22:54:53,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-01 22:54:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-01 22:54:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:54:53,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2018-12-01 22:54:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2018-12-01 22:54:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 22:54:53,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-12-01 22:54:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-12-01 22:54:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 22:54:53,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-12-01 22:54:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-12-01 22:54:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 22:54:53,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-12-01 22:54:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-12-01 22:54:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 22:54:53,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-12-01 22:54:54,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-12-01 22:54:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 22:54:54,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-12-01 22:54:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-12-01 22:54:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:54:54,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-12-01 22:54:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-12-01 22:54:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:54:54,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-12-01 22:54:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-12-01 22:54:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:54:54,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-12-01 22:54:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-12-01 22:54:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:54:55,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-12-01 22:54:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-12-01 22:54:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:54:55,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2018-12-01 22:54:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2018-12-01 22:54:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:54:55,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:55,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-12-01 22:54:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-12-01 22:54:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:54:55,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-12-01 22:54:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-12-01 22:54:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:54:56,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-12-01 22:54:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-12-01 22:54:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:54:56,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-12-01 22:54:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-12-01 22:54:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 22:54:56,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-12-01 22:54:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-12-01 22:54:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 22:54:56,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-12-01 22:54:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-12-01 22:54:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 22:54:56,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-12-01 22:54:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-12-01 22:54:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 22:54:56,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-01 22:54:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-01 22:54:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 22:54:57,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-12-01 22:54:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-12-01 22:54:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 22:54:57,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-12-01 22:54:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-12-01 22:54:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:54:58,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-12-01 22:54:58,304 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-12-01 22:54:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:54:58,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-12-01 22:54:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-12-01 22:54:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:54:58,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:58,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:58,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2018-12-01 22:54:58,625 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2018-12-01 22:54:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:54:58,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-12-01 22:54:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-01 22:54:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:54:58,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-12-01 22:54:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-12-01 22:54:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:54:58,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:54:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:54:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:54:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:54:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-01 22:54:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-01 22:54:59,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:54:59,143 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-12-01 22:54:59,149 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 22:54:59,257 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:54:59,259 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:54:59,259 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:54:59,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:54:59 ImpRootNode [2018-12-01 22:54:59,259 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:54:59,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:54:59,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:54:59,260 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:54:59,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:54:53" (3/4) ... [2018-12-01 22:54:59,262 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:54:59,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 22:54:59,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 22:54:59,268 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:54:59,299 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ae19c37-12f1-449c-aee1-6f86b70a9523/bin-2019/ukojak/witness.graphml [2018-12-01 22:54:59,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:54:59,299 INFO L168 Benchmark]: Toolchain (without parser) took 6454.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -253.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:54:59,300 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:54:59,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.03 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:54:59,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 938.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:54:59,301 INFO L168 Benchmark]: Boogie Preprocessor took 41.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:54:59,301 INFO L168 Benchmark]: RCFGBuilder took 223.06 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:54:59,301 INFO L168 Benchmark]: CodeCheck took 6000.62 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -101.9 MB). Peak memory consumption was 321.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:54:59,302 INFO L168 Benchmark]: Witness Printer took 39.45 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 296.6 kB). Peak memory consumption was 296.6 kB. Max. memory is 11.5 GB. [2018-12-01 22:54:59,303 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, 30 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1744830464 SDtfs, 1090582396 SDslu, 0 SDs, 0 SdLazy, 1136601848 SolverSat, 1876813692 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2846 GetRequests, 2650 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16724 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 13349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 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: 119]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.03 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 938.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.06 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 6000.62 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -101.9 MB). Peak memory consumption was 321.6 MB. Max. memory is 11.5 GB. * Witness Printer took 39.45 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 296.6 kB). Peak memory consumption was 296.6 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...