./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/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_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/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 0.1.23-1dbac8b [2018-11-10 02:58:04,399 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:58:04,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:58:04,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:58:04,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:58:04,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:58:04,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:58:04,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:58:04,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:58:04,410 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:58:04,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:58:04,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:58:04,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:58:04,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:58:04,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:58:04,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:58:04,413 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:58:04,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:58:04,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:58:04,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:58:04,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:58:04,418 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:58:04,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:58:04,420 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:58:04,420 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:58:04,420 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:58:04,421 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:58:04,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:58:04,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:58:04,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:58:04,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:58:04,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:58:04,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:58:04,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:58:04,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:58:04,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:58:04,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:58:04,433 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:58:04,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:58:04,434 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:58:04,435 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:58:04,435 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:58:04,435 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:58:04,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:58:04,435 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:58:04,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:58:04,437 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:58:04,437 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:58:04,437 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:58:04,437 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:58:04,437 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:58:04,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:58:04,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:58:04,438 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:58:04,438 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:58:04,438 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:58:04,438 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:58:04,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:58:04,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:58:04,438 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_9157d0e9-b830-4571-9cb7-c941824de3b8/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 [2018-11-10 02:58:04,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:58:04,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:58:04,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:58:04,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:58:04,477 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:58:04,478 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 02:58:04,522 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/data/4606cfff2/e28e2d2c3f3e46ba8c197d19d58514fb/FLAGb38b1929c [2018-11-10 02:58:04,915 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:58:04,915 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-10 02:58:04,921 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/data/4606cfff2/e28e2d2c3f3e46ba8c197d19d58514fb/FLAGb38b1929c [2018-11-10 02:58:04,929 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/data/4606cfff2/e28e2d2c3f3e46ba8c197d19d58514fb [2018-11-10 02:58:04,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:58:04,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:58:04,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:58:04,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:58:04,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:58:04,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:58:04" (1/1) ... [2018-11-10 02:58:04,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50020d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:04, skipping insertion in model container [2018-11-10 02:58:04,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:58:04" (1/1) ... [2018-11-10 02:58:04,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:58:04,960 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:58:05,059 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:58:05,061 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:58:05,076 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:58:05,084 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:58:05,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05 WrapperNode [2018-11-10 02:58:05,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:58:05,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:58:05,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:58:05,085 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:58:05,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:58:05,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:58:05,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:58:05,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:58:05,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:58:05,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:58:05,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:58:05,117 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:58:05,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:58:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:58:05,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:58:05,418 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:58:05,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:58:05 BoogieIcfgContainer [2018-11-10 02:58:05,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:58:05,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:58:05,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:58:05,428 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:58:05,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:58:05" (1/1) ... [2018-11-10 02:58:05,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:58:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-11-10 02:58:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-11-10 02:58:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 02:58:05,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-10 02:58:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-10 02:58:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 02:58:05,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-11-10 02:58:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-11-10 02:58:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 02:58:05,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2018-11-10 02:58:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2018-11-10 02:58:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 02:58:06,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-11-10 02:58:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-11-10 02:58:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:58:06,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-10 02:58:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-10 02:58:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:58:06,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-10 02:58:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-10 02:58:06,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:58:06,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-11-10 02:58:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-11-10 02:58:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 02:58:06,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:06,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-10 02:58:06,774 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-10 02:58:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 02:58:06,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-10 02:58:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-10 02:58:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 02:58:07,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-10 02:58:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-10 02:58:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 02:58:07,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-10 02:58:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-10 02:58:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:58:07,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-11-10 02:58:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-11-10 02:58:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:58:07,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-10 02:58:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-10 02:58:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:58:08,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-10 02:58:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-10 02:58:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:58:08,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-11-10 02:58:08,554 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-11-10 02:58:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:58:08,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2018-11-10 02:58:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2018-11-10 02:58:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 02:58:08,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-11-10 02:58:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-11-10 02:58:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 02:58:08,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-11-10 02:58:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-11-10 02:58:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 02:58:09,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-10 02:58:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-10 02:58:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 02:58:10,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-11-10 02:58:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-11-10 02:58:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 02:58:10,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-10 02:58:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-10 02:58:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 02:58:10,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-10 02:58:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-10 02:58:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:10,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-10 02:58:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-10 02:58:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:10,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2018-11-10 02:58:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2018-11-10 02:58:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:11,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2018-11-10 02:58:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-11-10 02:58:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:11,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2018-11-10 02:58:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2018-11-10 02:58:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:11,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2018-11-10 02:58:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2018-11-10 02:58:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:11,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-10 02:58:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-10 02:58:11,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:58:11,914 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-11-10 02:58:11,920 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 02:58:12,022 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:58:12,024 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:58:12,024 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:58:12,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:58:12 ImpRootNode [2018-11-10 02:58:12,025 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:58:12,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:58:12,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:58:12,025 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:58:12,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:58:05" (3/4) ... [2018-11-10 02:58:12,027 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:58:12,033 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 02:58:12,034 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 02:58:12,034 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 02:58:12,069 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9157d0e9-b830-4571-9cb7-c941824de3b8/bin-2019/ukojak/witness.graphml [2018-11-10 02:58:12,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:58:12,070 INFO L168 Benchmark]: Toolchain (without parser) took 7138.56 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 365.4 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 223.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:12,071 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:58:12,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.80 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:12,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.32 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:12,072 INFO L168 Benchmark]: Boogie Preprocessor took 11.68 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:58:12,072 INFO L168 Benchmark]: RCFGBuilder took 301.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:12,072 INFO L168 Benchmark]: CodeCheck took 6605.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:12,072 INFO L168 Benchmark]: Witness Printer took 44.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 908.8 kB). Peak memory consumption was 908.8 kB. Max. memory is 11.5 GB. [2018-11-10 02:58:12,074 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, 32 locations, 1 error locations. SAFE Result, 6.4s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1879048192 SDtfs, 1145454460 SDslu, 0 SDs, 0 SdLazy, 1409773304 SolverSat, 1912602492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3008 GetRequests, 2812 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16826 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 14945 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.80 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.32 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.68 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 301.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 6605.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 908.8 kB). Peak memory consumption was 908.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...