./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_10_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_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/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 0f7b0b589689413087c164ce10eb80c902ee4046 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:46:38,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 12:46:38,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 12:46:38,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 12:46:38,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 12:46:38,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 12:46:38,427 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 12:46:38,428 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 12:46:38,429 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 12:46:38,430 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 12:46:38,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 12:46:38,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 12:46:38,431 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 12:46:38,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 12:46:38,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 12:46:38,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 12:46:38,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 12:46:38,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 12:46:38,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 12:46:38,435 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 12:46:38,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 12:46:38,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 12:46:38,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 12:46:38,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 12:46:38,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 12:46:38,438 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 12:46:38,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 12:46:38,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 12:46:38,439 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 12:46:38,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 12:46:38,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 12:46:38,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 12:46:38,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 12:46:38,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 12:46:38,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 12:46:38,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 12:46:38,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 12:46:38,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 12:46:38,448 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 12:46:38,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 12:46:38,448 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 12:46:38,449 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 12:46:38,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 12:46:38,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 12:46:38,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 12:46:38,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 12:46:38,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 12:46:38,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 12:46:38,450 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 12:46:38,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 12:46:38,450 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 12:46:38,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 12:46:38,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 12:46:38,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 12:46:38,451 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 12:46:38,451 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 12:46:38,451 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 12:46:38,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 12:46:38,451 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_687f2bf0-5010-4df0-9f38-f918c87330b5/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 -> 0f7b0b589689413087c164ce10eb80c902ee4046 [2018-12-01 12:46:38,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 12:46:38,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 12:46:38,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 12:46:38,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 12:46:38,477 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 12:46:38,478 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-01 12:46:38,512 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/data/13e06e8ae/c140b25325864062a9bc47a641e00d0c/FLAG31cbf3980 [2018-12-01 12:46:38,891 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 12:46:38,892 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-01 12:46:38,896 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/data/13e06e8ae/c140b25325864062a9bc47a641e00d0c/FLAG31cbf3980 [2018-12-01 12:46:38,904 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/data/13e06e8ae/c140b25325864062a9bc47a641e00d0c [2018-12-01 12:46:38,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 12:46:38,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 12:46:38,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 12:46:38,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 12:46:38,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 12:46:38,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:46:38" (1/1) ... [2018-12-01 12:46:38,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:38, skipping insertion in model container [2018-12-01 12:46:38,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:46:38" (1/1) ... [2018-12-01 12:46:38,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 12:46:38,927 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 12:46:39,015 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:46:39,017 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 12:46:39,031 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:46:39,039 INFO L195 MainTranslator]: Completed translation [2018-12-01 12:46:39,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39 WrapperNode [2018-12-01 12:46:39,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 12:46:39,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 12:46:39,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 12:46:39,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 12:46:39,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 12:46:39,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 12:46:39,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 12:46:39,060 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 12:46:39,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 12:46:39,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 12:46:39,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 12:46:39,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 12:46:39,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:46:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/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 12:46:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 12:46:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 12:46:39,367 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 12:46:39,367 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 12:46:39,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:46:39 BoogieIcfgContainer [2018-12-01 12:46:39,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 12:46:39,368 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 12:46:39,368 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 12:46:39,374 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 12:46:39,374 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:46:39" (1/1) ... [2018-12-01 12:46:39,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 12:46:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2018-12-01 12:46:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2018-12-01 12:46:39,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 12:46:39,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:39,525 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 12:46:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-12-01 12:46:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-12-01 12:46:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:46:39,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:39,594 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 12:46:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-12-01 12:46:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-12-01 12:46:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 12:46:39,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:39,716 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 12:46:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-12-01 12:46:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-12-01 12:46:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 12:46:39,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:39,880 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 12:46:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-12-01 12:46:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-12-01 12:46:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 12:46:39,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:39,988 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 12:46:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-12-01 12:46:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-12-01 12:46:40,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 12:46:40,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:40,299 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 12:46:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-12-01 12:46:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-12-01 12:46:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 12:46:40,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:40,372 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 12:46:40,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-12-01 12:46:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-12-01 12:46:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:46:40,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:40,469 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 12:46:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-12-01 12:46:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-12-01 12:46:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:46:40,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:40,593 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 12:46:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-01 12:46:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-01 12:46:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:46:41,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:41,099 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 12:46:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-12-01 12:46:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-12-01 12:46:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:46:41,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:41,214 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 12:46:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-12-01 12:46:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-12-01 12:46:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:46:41,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:41,319 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 12:46:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-12-01 12:46:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-12-01 12:46:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:46:41,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:41,479 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 12:46:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-01 12:46:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-01 12:46:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:46:42,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:42,160 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 12:46:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-12-01 12:46:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-12-01 12:46:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:46:42,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:46:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-12-01 12:46:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-12-01 12:46:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:46:42,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:42,415 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 12:46:42,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:42,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-12-01 12:46:42,558 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-12-01 12:46:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:46:42,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:42,567 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 12:46:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:42,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-12-01 12:46:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-12-01 12:46:42,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:46:42,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:42,768 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 12:46:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-12-01 12:46:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-12-01 12:46:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:46:43,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:43,708 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 12:46:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-01 12:46:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-01 12:46:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:46:43,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:43,822 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 12:46:43,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-12-01 12:46:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-12-01 12:46:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:46:43,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:43,948 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 12:46:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2018-12-01 12:46:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2018-12-01 12:46:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:46:44,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:44,096 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 12:46:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-12-01 12:46:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-12-01 12:46:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:44,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:44,279 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 12:46:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-12-01 12:46:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-12-01 12:46:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:44,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:44,437 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 12:46:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-12-01 12:46:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-12-01 12:46:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:44,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:44,653 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 12:46:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-12-01 12:46:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-12-01 12:46:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:46,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:46,490 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 12:46:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-12-01 12:46:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-12-01 12:46:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:46,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:46,639 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 12:46:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-12-01 12:46:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-12-01 12:46:46,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:46,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:46,813 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 12:46:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-12-01 12:46:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-12-01 12:46:47,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:46:47,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:47,017 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 12:46:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-01 12:46:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-01 12:46:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:47,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:47,257 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 12:46:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-12-01 12:46:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-12-01 12:46:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:47,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:47,458 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 12:46:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-12-01 12:46:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-12-01 12:46:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:47,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:47,637 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 12:46:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:47,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-12-01 12:46:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-12-01 12:46:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:47,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:47,906 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 12:46:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-12-01 12:46:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-12-01 12:46:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:49,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:46:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-12-01 12:46:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-12-01 12:46:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:50,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:50,166 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 12:46:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2018-12-01 12:46:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-12-01 12:46:50,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:50,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:50,382 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 12:46:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2018-12-01 12:46:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2018-12-01 12:46:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 12:46:50,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:50,760 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 12:46:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-01 12:46:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-01 12:46:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:51,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:51,075 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 12:46:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-01 12:46:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-01 12:46:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:51,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:51,379 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 12:46:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-12-01 12:46:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-12-01 12:46:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:51,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:51,599 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 12:46:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-12-01 12:46:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-12-01 12:46:51,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:51,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:51,972 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 12:46:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-12-01 12:46:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-12-01 12:46:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:54,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:54,867 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 12:46:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-12-01 12:46:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-12-01 12:46:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:55,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:55,100 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 12:46:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-01 12:46:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-01 12:46:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:55,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:55,351 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 12:46:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-12-01 12:46:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-12-01 12:46:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:55,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:55,622 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 12:46:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2018-12-01 12:46:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2018-12-01 12:46:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 12:46:55,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:55,941 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 12:46:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-01 12:46:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-01 12:46:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:56,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:56,282 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 12:46:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-12-01 12:46:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-12-01 12:46:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:56,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:56,589 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 12:46:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-01 12:46:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-01 12:46:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:56,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:56,862 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 12:46:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2018-12-01 12:46:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2018-12-01 12:46:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:57,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:57,172 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 12:46:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2018-12-01 12:46:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2018-12-01 12:46:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:57,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:57,429 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 12:46:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-12-01 12:46:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-12-01 12:46:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:57,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:57,988 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 12:46:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2018-12-01 12:46:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2018-12-01 12:46:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:58,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:58,299 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 12:46:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-12-01 12:46:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-12-01 12:46:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:58,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:58,621 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 12:46:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2018-12-01 12:46:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2018-12-01 12:46:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 12:46:58,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:46:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:46:58,992 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 12:46:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:46:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-12-01 12:46:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-01 12:46:59,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 12:46:59,408 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-12-01 12:46:59,414 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 12:46:59,638 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 12:46:59,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 12:46:59,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 12:46:59,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:46:59 ImpRootNode [2018-12-01 12:46:59,641 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 12:46:59,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 12:46:59,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 12:46:59,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 12:46:59,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:46:39" (3/4) ... [2018-12-01 12:46:59,644 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 12:46:59,650 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 12:46:59,650 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 12:46:59,650 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 12:46:59,684 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_687f2bf0-5010-4df0-9f38-f918c87330b5/bin-2019/ukojak/witness.graphml [2018-12-01 12:46:59,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 12:46:59,684 INFO L168 Benchmark]: Toolchain (without parser) took 20778.03 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 527.4 MB). Free memory was 957.1 MB in the beginning and 1.5 GB in the end (delta: -512.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,685 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:46:59,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,686 INFO L168 Benchmark]: Boogie Preprocessor took 41.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,686 INFO L168 Benchmark]: RCFGBuilder took 266.22 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: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,686 INFO L168 Benchmark]: CodeCheck took 20273.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 395.3 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -393.8 MB). Peak memory consumption was 704.0 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,686 INFO L168 Benchmark]: Witness Printer took 42.66 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-01 12:46:59,687 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, 39 locations, 1 error locations. SAFE Result, 20.0s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 64508 SDslu, 0 SDs, 0 SdLazy, 320272376 SolverSat, -101057540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7099 GetRequests, 6699 SyntacticMatches, 0 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75511 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 42050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 55 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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: 161]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266.22 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: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * CodeCheck took 20273.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 395.3 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -393.8 MB). Peak memory consumption was 704.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.66 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...