./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/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 f2cbbf56a13532141372a32a461d64a9d1351c0e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:06:46,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:06:46,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:06:46,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:06:46,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:06:46,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:06:46,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:06:46,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:06:46,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:06:46,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:06:46,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:06:46,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:06:46,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:06:46,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:06:46,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:06:46,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:06:46,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:06:47,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:06:47,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:06:47,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:06:47,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:06:47,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:06:47,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:06:47,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:06:47,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:06:47,007 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:06:47,008 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:06:47,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:06:47,009 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:06:47,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:06:47,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:06:47,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:06:47,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:06:47,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:06:47,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:06:47,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:06:47,013 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:06:47,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:06:47,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:06:47,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:06:47,025 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:06:47,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:06:47,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:06:47,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:06:47,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:06:47,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:06:47,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:06:47,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:06:47,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:06:47,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:06:47,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:06:47,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:06:47,028 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:06:47,028 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:06:47,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:06:47,028 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:06:47,028 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:06:47,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:06:47,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:06:47,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:06:47,029 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:06:47,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:06:47,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:06:47,029 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:06:47,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:06:47,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:06:47,030 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_f0b102b8-70fd-47cf-9334-8e07c9b05b15/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 -> f2cbbf56a13532141372a32a461d64a9d1351c0e [2018-11-23 00:06:47,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:06:47,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:06:47,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:06:47,074 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:06:47,074 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:06:47,075 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 00:06:47,129 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/data/94809a2d1/fe74665cc9cc48129a48321b51572a27/FLAG19739f2fc [2018-11-23 00:06:47,491 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:06:47,492 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 00:06:47,498 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/data/94809a2d1/fe74665cc9cc48129a48321b51572a27/FLAG19739f2fc [2018-11-23 00:06:47,510 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/data/94809a2d1/fe74665cc9cc48129a48321b51572a27 [2018-11-23 00:06:47,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:06:47,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:06:47,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:06:47,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:06:47,519 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:06:47,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47, skipping insertion in model container [2018-11-23 00:06:47,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:06:47,545 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:06:47,682 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:06:47,685 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:06:47,705 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:06:47,717 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:06:47,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47 WrapperNode [2018-11-23 00:06:47,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:06:47,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:06:47,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:06:47,718 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:06:47,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:06:47,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:06:47,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:06:47,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:06:47,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... [2018-11-23 00:06:47,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:06:47,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:06:47,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:06:47,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:06:47,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:06:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/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 [2018-11-23 00:06:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:06:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:06:48,186 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:06:48,186 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 00:06:48,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:06:48 BoogieIcfgContainer [2018-11-23 00:06:48,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:06:48,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:06:48,187 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:06:48,195 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:06:48,195 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:06:48" (1/1) ... [2018-11-23 00:06:48,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:06:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2018-11-23 00:06:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2018-11-23 00:06:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 00:06:48,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2018-11-23 00:06:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2018-11-23 00:06:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 00:06:48,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-23 00:06:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-23 00:06:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 00:06:48,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:48,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-23 00:06:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-23 00:06:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 00:06:48,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-11-23 00:06:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-11-23 00:06:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:06:48,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-11-23 00:06:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-11-23 00:06:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:06:49,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-23 00:06:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-23 00:06:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:06:49,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-11-23 00:06:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-11-23 00:06:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:06:49,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-11-23 00:06:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-11-23 00:06:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:06:49,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-23 00:06:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-23 00:06:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:06:49,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-23 00:06:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-23 00:06:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:06:50,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-11-23 00:06:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-11-23 00:06:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:06:50,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-23 00:06:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-23 00:06:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:06:50,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-11-23 00:06:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-11-23 00:06:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:06:50,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-11-23 00:06:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-11-23 00:06:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:06:50,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-23 00:06:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-23 00:06:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 00:06:51,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-11-23 00:06:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-11-23 00:06:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:06:51,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2018-11-23 00:06:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2018-11-23 00:06:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:06:52,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-11-23 00:06:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-11-23 00:06:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:06:52,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-11-23 00:06:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-11-23 00:06:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:06:52,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-23 00:06:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-23 00:06:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:06:53,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-11-23 00:06:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-11-23 00:06:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:06:53,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-11-23 00:06:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-11-23 00:06:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:54,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-23 00:06:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-23 00:06:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:54,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-23 00:06:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-23 00:06:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:54,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2018-11-23 00:06:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2018-11-23 00:06:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:54,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:56,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-11-23 00:06:56,581 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-11-23 00:06:56,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:56,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-11-23 00:06:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-11-23 00:06:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:56,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-11-23 00:06:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-11-23 00:06:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:06:56,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-11-23 00:06:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-11-23 00:06:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:57,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-23 00:06:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-23 00:06:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:57,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-23 00:06:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-23 00:06:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:57,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-11-23 00:06:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-11-23 00:06:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:57,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:58,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2018-11-23 00:06:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2018-11-23 00:06:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:58,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-11-23 00:06:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-11-23 00:06:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:58,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:58,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-11-23 00:06:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-11-23 00:06:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:06:58,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:06:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:06:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:06:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:06:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-11-23 00:06:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-11-23 00:06:59,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:06:59,028 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-23 00:06:59,036 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:06:59,190 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:06:59,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:06:59,193 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:06:59,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:06:59 ImpRootNode [2018-11-23 00:06:59,193 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:06:59,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:06:59,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:06:59,194 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:06:59,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:06:48" (3/4) ... [2018-11-23 00:06:59,198 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:06:59,207 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:06:59,207 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 00:06:59,208 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:06:59,255 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0b102b8-70fd-47cf-9334-8e07c9b05b15/bin-2019/ukojak/witness.graphml [2018-11-23 00:06:59,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:06:59,257 INFO L168 Benchmark]: Toolchain (without parser) took 11742.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 222.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:06:59,258 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:06:59,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.86 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:06:59,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.55 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:06:59,259 INFO L168 Benchmark]: Boogie Preprocessor took 69.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:06:59,259 INFO L168 Benchmark]: RCFGBuilder took 370.45 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:06:59,260 INFO L168 Benchmark]: CodeCheck took 11006.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.4 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:06:59,260 INFO L168 Benchmark]: Witness Printer took 62.05 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:06:59,262 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, 33 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -25694468 SDslu, 0 SDs, 0 SdLazy, -1280512520 SolverSat, -588800260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3976 GetRequests, 3720 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29471 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 20372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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: 133]: 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: 33]: 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.86 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.55 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 370.45 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * CodeCheck took 11006.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.4 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. * Witness Printer took 62.05 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...