./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9918b49e0d76e4ce36b6a6760021b33460a8ae9b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:44:24,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:44:24,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:44:24,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:44:24,422 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:44:24,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:44:24,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:44:24,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:44:24,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:44:24,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:44:24,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:44:24,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:44:24,426 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:44:24,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:44:24,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:44:24,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:44:24,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:44:24,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:44:24,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:44:24,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:44:24,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:44:24,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:44:24,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:44:24,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:44:24,433 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:44:24,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:44:24,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:44:24,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:44:24,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:44:24,435 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:44:24,435 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:44:24,436 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:44:24,436 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:44:24,436 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:44:24,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:44:24,437 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:44:24,437 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-12-02 06:44:24,444 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:44:24,445 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:44:24,445 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:44:24,445 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 06:44:24,446 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:44:24,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:44:24,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:44:24,447 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 06:44:24,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:44:24,447 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 06:44:24,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:44:24,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:44:24,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:44:24,448 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 06:44:24,448 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:44:24,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:44:24,448 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_779dcdf6-0a81-4111-8256-b3c2ec014dc7/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 ! overflow) ) 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 -> 9918b49e0d76e4ce36b6a6760021b33460a8ae9b [2018-12-02 06:44:24,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:44:24,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:44:24,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:44:24,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:44:24,475 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:44:24,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i [2018-12-02 06:44:24,510 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/data/9c5200fd1/37b51f4df6094d52a7f79cf1523d2a6e/FLAG106cea3ce [2018-12-02 06:44:24,838 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:44:24,838 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i [2018-12-02 06:44:24,841 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/data/9c5200fd1/37b51f4df6094d52a7f79cf1523d2a6e/FLAG106cea3ce [2018-12-02 06:44:25,244 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/data/9c5200fd1/37b51f4df6094d52a7f79cf1523d2a6e [2018-12-02 06:44:25,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:44:25,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:44:25,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:44:25,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:44:25,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:44:25,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e0d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25, skipping insertion in model container [2018-12-02 06:44:25,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:44:25,275 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:44:25,358 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:44:25,360 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:44:25,370 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:44:25,377 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:44:25,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25 WrapperNode [2018-12-02 06:44:25,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:44:25,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:44:25,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:44:25,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:44:25,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:44:25,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:44:25,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:44:25,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:44:25,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:44:25,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:44:25,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:44:25,409 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:44:25,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:44:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/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 06:44:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:44:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:44:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 06:44:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 06:44:25,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:44:25,604 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 06:44:25,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:44:25 BoogieIcfgContainer [2018-12-02 06:44:25,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:44:25,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 06:44:25,605 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 06:44:25,612 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 06:44:25,612 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:44:25" (1/1) ... [2018-12-02 06:44:25,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:44:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2018-12-02 06:44:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-12-02 06:44:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 06:44:25,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:25,727 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 06:44:25,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:25,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2018-12-02 06:44:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2018-12-02 06:44:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 06:44:25,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:25,757 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 06:44:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-12-02 06:44:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-12-02 06:44:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 06:44:25,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:25,818 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 06:44:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2018-12-02 06:44:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-12-02 06:44:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 06:44:25,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:25,903 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 06:44:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2018-12-02 06:44:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-12-02 06:44:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 06:44:25,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2018-12-02 06:44:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2018-12-02 06:44:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 06:44:26,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2018-12-02 06:44:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2018-12-02 06:44:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 06:44:26,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:44:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2018-12-02 06:44:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2018-12-02 06:44:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 06:44:26,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:44:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-12-02 06:44:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-12-02 06:44:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 06:44:26,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 06:44:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2018-12-02 06:44:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-12-02 06:44:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 06:44:26,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 06:44:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2018-12-02 06:44:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2018-12-02 06:44:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 06:44:26,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2018-12-02 06:44:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2018-12-02 06:44:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:44:26,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2018-12-02 06:44:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2018-12-02 06:44:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:44:27,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 54 states and 77 transitions. [2018-12-02 06:44:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2018-12-02 06:44:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:44:27,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2018-12-02 06:44:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2018-12-02 06:44:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 06:44:27,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 06:44:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 54 states and 77 transitions. [2018-12-02 06:44:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2018-12-02 06:44:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 06:44:27,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 06:44:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2018-12-02 06:44:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2018-12-02 06:44:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:44:27,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:44:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2018-12-02 06:44:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2018-12-02 06:44:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:44:28,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 06:44:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-12-02 06:44:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-12-02 06:44:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:44:28,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2018-12-02 06:44:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2018-12-02 06:44:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:44:28,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:44:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2018-12-02 06:44:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2018-12-02 06:44:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 06:44:28,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 76 states and 112 transitions. [2018-12-02 06:44:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2018-12-02 06:44:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 06:44:29,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 06:44:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2018-12-02 06:44:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2018-12-02 06:44:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 06:44:29,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 85 states and 130 transitions. [2018-12-02 06:44:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2018-12-02 06:44:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 06:44:30,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 90 states and 139 transitions. [2018-12-02 06:44:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 139 transitions. [2018-12-02 06:44:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 06:44:33,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2018-12-02 06:44:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-12-02 06:44:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 06:44:33,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 148 transitions. [2018-12-02 06:44:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2018-12-02 06:44:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 06:44:34,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 99 states and 154 transitions. [2018-12-02 06:44:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2018-12-02 06:44:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 06:44:34,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 102 states and 158 transitions. [2018-12-02 06:44:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2018-12-02 06:44:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 06:44:34,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 06:44:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2018-12-02 06:44:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2018-12-02 06:44:35,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 06:44:35,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 06:44:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 170 transitions. [2018-12-02 06:44:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2018-12-02 06:44:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 06:44:36,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 06:44:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:44:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 06:44:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 06:44:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-12-02 06:44:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-02 06:44:36,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:44:36,412 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-12-02 06:44:36,417 INFO L779 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-12-02 06:44:36,493 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:44:36,495 INFO L583 CodeCheckObserver]: Invariant with dag size 39 [2018-12-02 06:44:36,500 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 06:44:36,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:44:36 ImpRootNode [2018-12-02 06:44:36,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 06:44:36,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:44:36,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:44:36,501 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:44:36,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:44:25" (3/4) ... [2018-12-02 06:44:36,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:44:36,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 06:44:36,509 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 06:44:36,509 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 06:44:36,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 06:44:36,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_779dcdf6-0a81-4111-8256-b3c2ec014dc7/bin-2019/ukojak/witness.graphml [2018-12-02 06:44:36,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:44:36,537 INFO L168 Benchmark]: Toolchain (without parser) took 11289.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.6 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:36,537 INFO L168 Benchmark]: CDTParser took 0.11 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 06:44:36,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.99 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:36,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.15 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:44:36,538 INFO L168 Benchmark]: Boogie Preprocessor took 11.63 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:36,538 INFO L168 Benchmark]: RCFGBuilder took 195.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:36,538 INFO L168 Benchmark]: CodeCheck took 10895.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:44:36,539 INFO L168 Benchmark]: Witness Printer took 35.11 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. [2018-12-02 06:44:36,540 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 2 procedures, 36 locations, 8 error locations. SAFE Result, 10.7s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1075311788 SDslu, -2147483648 SDs, 0 SdLazy, -2051055810 SolverSat, -443951786 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6247 GetRequests, 5670 SyntacticMatches, 307 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42687 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 684 ConstructedInterpolants, 0 QuantifiedInterpolants, 93356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 10 PerfectInterpolantSequences, 428/1153 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((a == 63 && b == 18) || ((63 <= b + a && b == 18) && b + a <= 63)) || ((b == 18 && 63 <= 3 * b + a) && 3 * b + a <= 63)) || ((b + a <= 18 && b + 18 <= 3 * a) && a < b + 1)) || ((2 * b + a <= 63 && 63 <= 2 * b + a) && b == 18)) || (((b <= 0 && a <= 9) && b + 1 <= a) && 0 < b + 1) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 128.99 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 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 19.15 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.63 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10895.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. * Witness Printer took 35.11 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...