./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccd6d122756047ddb1225c106ac06a6748e14c22 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:01:05,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:01:05,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:01:05,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:01:05,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:01:05,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:01:05,549 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:01:05,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:01:05,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:01:05,552 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:01:05,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:01:05,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:01:05,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:01:05,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:01:05,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:01:05,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:01:05,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:01:05,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:01:05,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:01:05,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:01:05,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:01:05,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:01:05,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:01:05,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:01:05,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:01:05,563 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:01:05,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:01:05,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:01:05,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:01:05,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:01:05,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:01:05,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:01:05,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:01:05,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:01:05,565 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:01:05,566 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:01:05,566 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 14:01:05,573 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:01:05,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:01:05,573 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:01:05,573 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:01:05,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:01:05,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:01:05,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:01:05,575 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:01:05,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:01:05,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:01:05,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:01:05,576 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:01:05,576 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:01:05,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:01:05,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:01:05,576 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_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccd6d122756047ddb1225c106ac06a6748e14c22 [2018-12-08 14:01:05,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:01:05,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:01:05,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:01:05,603 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:01:05,603 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:01:05,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-08 14:01:05,637 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/data/774569758/ff235608b8c449dfaa0983fdb1f919fe/FLAG6093dc330 [2018-12-08 14:01:06,022 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:01:06,022 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-08 14:01:06,027 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/data/774569758/ff235608b8c449dfaa0983fdb1f919fe/FLAG6093dc330 [2018-12-08 14:01:06,037 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/data/774569758/ff235608b8c449dfaa0983fdb1f919fe [2018-12-08 14:01:06,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:01:06,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:01:06,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:01:06,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:01:06,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:01:06,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06, skipping insertion in model container [2018-12-08 14:01:06,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:01:06,061 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:01:06,165 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:01:06,169 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:01:06,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:01:06,192 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:01:06,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06 WrapperNode [2018-12-08 14:01:06,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:01:06,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:01:06,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:01:06,193 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:01:06,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:01:06,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:01:06,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:01:06,215 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:01:06,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:01:06,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:01:06,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:01:06,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:01:06,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:01:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/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 [2018-12-08 14:01:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:01:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:01:06,484 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:01:06,484 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 14:01:06,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:01:06 BoogieIcfgContainer [2018-12-08 14:01:06,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:01:06,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:01:06,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:01:06,494 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:01:06,494 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:01:06" (1/1) ... [2018-12-08 14:01:06,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:01:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2018-12-08 14:01:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2018-12-08 14:01:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 14:01:06,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-08 14:01:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-08 14:01:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 14:01:06,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2018-12-08 14:01:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2018-12-08 14:01:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 14:01:06,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-12-08 14:01:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-12-08 14:01:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 14:01:06,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-12-08 14:01:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-12-08 14:01:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 14:01:07,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-12-08 14:01:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-12-08 14:01:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 14:01:07,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-12-08 14:01:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-12-08 14:01:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 14:01:07,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-12-08 14:01:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-12-08 14:01:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 14:01:07,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-12-08 14:01:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-12-08 14:01:07,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 14:01:07,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-12-08 14:01:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-12-08 14:01:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 14:01:07,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-12-08 14:01:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-12-08 14:01:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 14:01:08,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-12-08 14:01:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-12-08 14:01:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 14:01:08,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:08,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2018-12-08 14:01:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2018-12-08 14:01:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 14:01:08,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-12-08 14:01:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-12-08 14:01:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 14:01:08,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-12-08 14:01:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-12-08 14:01:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 14:01:09,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-12-08 14:01:09,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-12-08 14:01:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 14:01:09,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-12-08 14:01:09,538 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-12-08 14:01:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:01:09,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-12-08 14:01:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-12-08 14:01:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:01:09,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-12-08 14:01:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-12-08 14:01:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:01:09,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-12-08 14:01:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-12-08 14:01:09,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:01:09,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:10,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-08 14:01:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-08 14:01:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:01:10,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-12-08 14:01:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-12-08 14:01:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:01:11,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-12-08 14:01:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-12-08 14:01:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:01:11,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-12-08 14:01:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-12-08 14:01:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:01:11,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-12-08 14:01:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-12-08 14:01:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:01:11,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:11,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2018-12-08 14:01:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2018-12-08 14:01:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:01:11,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-12-08 14:01:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-08 14:01:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:01:11,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-12-08 14:01:12,107 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-12-08 14:01:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:01:12,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:01:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:01:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:01:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:01:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 14:01:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 14:01:12,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:01:12,319 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-12-08 14:01:12,324 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 14:01:12,428 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:01:12,430 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:01:12,430 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:01:12,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:01:12 ImpRootNode [2018-12-08 14:01:12,430 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:01:12,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:01:12,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:01:12,431 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:01:12,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:01:06" (3/4) ... [2018-12-08 14:01:12,433 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:01:12,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 14:01:12,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 14:01:12,439 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 14:01:12,469 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a19abb52-72da-4810-97c8-7f4cc5e685e3/bin-2019/ukojak/witness.graphml [2018-12-08 14:01:12,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:01:12,470 INFO L168 Benchmark]: Toolchain (without parser) took 6430.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 337.1 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -251.7 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:01:12,471 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:01:12,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.60 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:01:12,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.77 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:01:12,471 INFO L168 Benchmark]: Boogie Preprocessor took 41.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:01:12,471 INFO L168 Benchmark]: RCFGBuilder took 228.46 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:01:12,472 INFO L168 Benchmark]: CodeCheck took 5945.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 215.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -114.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:01:12,472 INFO L168 Benchmark]: Witness Printer took 38.67 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:01:12,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 30 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1744830464 SDtfs, 1090582396 SDslu, 0 SDs, 0 SdLazy, 1136601848 SolverSat, 1876813692 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2846 GetRequests, 2650 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16724 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 13349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 119]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.60 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.77 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 228.46 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * CodeCheck took 5945.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 215.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -114.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * Witness Printer took 38.67 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...