./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/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_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/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 0.1.23-635dfa2 [2018-12-02 23:49:52,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:49:52,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:49:52,332 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:49:52,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:49:52,333 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:49:52,334 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:49:52,335 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:49:52,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:49:52,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:49:52,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:49:52,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:49:52,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:49:52,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:49:52,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:49:52,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:49:52,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:49:52,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:49:52,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:49:52,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:49:52,346 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:49:52,347 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:49:52,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:49:52,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:49:52,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:49:52,350 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:49:52,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:49:52,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:49:52,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:49:52,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:49:52,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:49:52,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:49:52,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:49:52,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:49:52,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:49:52,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:49:52,355 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 23:49:52,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:49:52,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:49:52,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:49:52,366 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 23:49:52,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:49:52,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:49:52,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:49:52,367 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:49:52,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:49:52,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:49:52,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:49:52,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:49:52,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:49:52,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:49:52,368 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:49:52,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:49:52,368 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:49:52,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:49:52,368 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 23:49:52,369 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 23:49:52,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:49:52,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:49:52,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 23:49:52,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:49:52,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:49:52,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:49:52,370 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 23:49:52,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:49:52,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:49:52,370 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_78441e47-04ab-4820-a7f5-63864503d745/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 [2018-12-02 23:49:52,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:49:52,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:49:52,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:49:52,402 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:49:52,403 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:49:52,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-02 23:49:52,446 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/data/472b0d441/269ad3e699334d9fb4eb4e61289ae1c5/FLAG67dc25afa [2018-12-02 23:49:52,834 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:49:52,834 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-02 23:49:52,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/data/472b0d441/269ad3e699334d9fb4eb4e61289ae1c5/FLAG67dc25afa [2018-12-02 23:49:52,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/data/472b0d441/269ad3e699334d9fb4eb4e61289ae1c5 [2018-12-02 23:49:52,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:49:52,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:49:52,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:49:52,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:49:52,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:49:52,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:52,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52, skipping insertion in model container [2018-12-02 23:49:52,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:52,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:49:52,868 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:49:52,954 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:49:52,956 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:49:52,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:49:52,977 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:49:52,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52 WrapperNode [2018-12-02 23:49:52,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:49:52,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:49:52,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:49:52,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:49:52,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:52,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:52,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:49:52,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:49:52,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:49:52,998 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:49:53,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... [2018-12-02 23:49:53,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:49:53,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:49:53,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:49:53,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:49:53,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/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 [2018-12-02 23:49:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:49:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:49:53,280 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:49:53,280 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 23:49:53,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:49:53 BoogieIcfgContainer [2018-12-02 23:49:53,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:49:53,281 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 23:49:53,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 23:49:53,290 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 23:49:53,291 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:49:53" (1/1) ... [2018-12-02 23:49:53,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:49:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2018-12-02 23:49:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2018-12-02 23:49:53,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 23:49:53,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2018-12-02 23:49:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2018-12-02 23:49:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 23:49:53,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-12-02 23:49:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-12-02 23:49:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 23:49:53,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-02 23:49:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-02 23:49:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 23:49:53,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-12-02 23:49:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-12-02 23:49:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 23:49:53,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-12-02 23:49:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-12-02 23:49:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 23:49:53,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-12-02 23:49:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-12-02 23:49:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 23:49:54,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-12-02 23:49:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-12-02 23:49:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 23:49:54,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-12-02 23:49:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-12-02 23:49:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 23:49:54,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-12-02 23:49:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-12-02 23:49:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 23:49:54,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-12-02 23:49:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-12-02 23:49:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 23:49:55,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-12-02 23:49:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-12-02 23:49:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 23:49:55,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-12-02 23:49:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-12-02 23:49:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 23:49:55,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-12-02 23:49:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-12-02 23:49:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 23:49:55,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-12-02 23:49:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-12-02 23:49:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 23:49:55,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-12-02 23:49:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-12-02 23:49:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 23:49:56,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-12-02 23:49:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-12-02 23:49:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 23:49:56,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2018-12-02 23:49:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2018-12-02 23:49:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 23:49:56,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-12-02 23:49:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-12-02 23:49:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 23:49:56,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-12-02 23:49:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-12-02 23:49:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 23:49:56,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-02 23:49:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-02 23:49:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 23:49:58,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-12-02 23:49:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-12-02 23:49:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 23:49:58,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-12-02 23:49:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-12-02 23:49:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:49:58,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-12-02 23:49:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-12-02 23:49:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:49:58,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-12-02 23:49:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-12-02 23:49:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:49:59,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:49:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:49:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2018-12-02 23:49:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2018-12-02 23:49:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:49:59,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:49:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:49:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-02 23:50:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-02 23:50:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:50:00,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-12-02 23:50:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-12-02 23:50:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:50:00,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-02 23:50:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-02 23:50:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 23:50:01,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-12-02 23:50:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-12-02 23:50:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:01,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-12-02 23:50:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-12-02 23:50:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:01,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-12-02 23:50:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-12-02 23:50:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:01,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-12-02 23:50:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-12-02 23:50:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:02,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2018-12-02 23:50:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2018-12-02 23:50:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:02,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-12-02 23:50:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-12-02 23:50:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:02,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-12-02 23:50:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-12-02 23:50:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:50:02,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:50:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:50:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:50:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:50:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-02 23:50:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-02 23:50:02,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 23:50:02,804 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-02 23:50:02,809 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 23:50:02,937 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 23:50:02,939 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 23:50:02,939 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 23:50:02,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:50:02 ImpRootNode [2018-12-02 23:50:02,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 23:50:02,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:50:02,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:50:02,940 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:50:02,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:49:53" (3/4) ... [2018-12-02 23:50:02,942 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 23:50:02,948 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 23:50:02,949 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 23:50:02,949 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 23:50:02,980 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78441e47-04ab-4820-a7f5-63864503d745/bin-2019/ukojak/witness.graphml [2018-12-02 23:50:02,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:50:02,980 INFO L168 Benchmark]: Toolchain (without parser) took 10131.80 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 421.0 MB). Free memory was 962.4 MB in the beginning and 1.3 GB in the end (delta: -381.4 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-12-02 23:50:02,981 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:50:02,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.85 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:50:02,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:50:02,982 INFO L168 Benchmark]: Boogie Preprocessor took 43.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-02 23:50:02,982 INFO L168 Benchmark]: RCFGBuilder took 239.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:50:02,982 INFO L168 Benchmark]: CodeCheck took 9658.65 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -241.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:50:02,982 INFO L168 Benchmark]: Witness Printer took 40.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:50:02,983 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, 9.4s 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, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3976 GetRequests, 3720 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29471 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 127.85 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 239.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * CodeCheck took 9658.65 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -241.2 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 40.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...