./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/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_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/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 0.1.23-1dbac8b [2018-11-10 00:04:33,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:04:33,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:04:33,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:04:33,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:04:33,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:04:33,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:04:33,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:04:33,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:04:33,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:04:33,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:04:33,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:04:33,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:04:33,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:04:33,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:04:33,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:04:33,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:04:33,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:04:33,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:04:33,542 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:04:33,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:04:33,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:04:33,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:04:33,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:04:33,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:04:33,546 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:04:33,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:04:33,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:04:33,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:04:33,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:04:33,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:04:33,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:04:33,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:04:33,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:04:33,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:04:33,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:04:33,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-10 00:04:33,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:04:33,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:04:33,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 00:04:33,558 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 00:04:33,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:04:33,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:04:33,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:04:33,559 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:04:33,559 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 00:04:33,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:04:33,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:04:33,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:04:33,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 00:04:33,561 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 00:04:33,561 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 00:04:33,561 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:04:33,561 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 00:04:33,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 00:04:33,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:04:33,562 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 00:04:33,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 00:04:33,562 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 00:04:33,562 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 00:04:33,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 00:04:33,562 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_1387cf30-61e4-4e41-bcf1-2caef2c912aa/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 [2018-11-10 00:04:33,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:04:33,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:04:33,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:04:33,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:04:33,599 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:04:33,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i [2018-11-10 00:04:33,636 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/data/980985be0/dda50fd556504d029cd77ef185a29180/FLAG17bd0f60e [2018-11-10 00:04:33,956 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:04:33,956 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/sv-benchmarks/c/bitvector/gcd_4_true-unreach-call_true-no-overflow_true-termination.i [2018-11-10 00:04:33,962 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/data/980985be0/dda50fd556504d029cd77ef185a29180/FLAG17bd0f60e [2018-11-10 00:04:33,973 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/data/980985be0/dda50fd556504d029cd77ef185a29180 [2018-11-10 00:04:33,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:04:33,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:04:33,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:04:33,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:04:33,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:04:33,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:33" (1/1) ... [2018-11-10 00:04:33,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236dc686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:33, skipping insertion in model container [2018-11-10 00:04:33,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:33" (1/1) ... [2018-11-10 00:04:33,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:04:34,007 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:04:34,123 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:04:34,126 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:04:34,138 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:04:34,147 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:04:34,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34 WrapperNode [2018-11-10 00:04:34,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:04:34,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:04:34,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:04:34,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:04:34,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:04:34,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:04:34,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:04:34,173 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:04:34,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:04:34,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:04:34,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:04:34,189 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:04:34,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 00:04:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:04:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:04:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 00:04:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 00:04:34,418 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:04:34,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:34 BoogieIcfgContainer [2018-11-10 00:04:34,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:04:34,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 00:04:34,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 00:04:34,426 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 00:04:34,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:34" (1/1) ... [2018-11-10 00:04:34,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:04:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2018-11-10 00:04:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2018-11-10 00:04:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 00:04:34,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2018-11-10 00:04:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-11-10 00:04:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 00:04:34,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2018-11-10 00:04:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-11-10 00:04:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 00:04:34,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-11-10 00:04:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-11-10 00:04:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 00:04:34,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-11-10 00:04:35,027 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-11-10 00:04:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 00:04:35,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2018-11-10 00:04:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-11-10 00:04:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 00:04:35,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-11-10 00:04:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-11-10 00:04:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:04:35,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2018-11-10 00:04:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2018-11-10 00:04:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:04:35,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2018-11-10 00:04:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2018-11-10 00:04:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 00:04:35,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:04:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2018-11-10 00:04:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2018-11-10 00:04:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 00:04:35,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:04:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2018-11-10 00:04:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2018-11-10 00:04:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 00:04:35,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 00:04:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2018-11-10 00:04:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2018-11-10 00:04:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 00:04:35,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:04:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2018-11-10 00:04:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2018-11-10 00:04:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 00:04:36,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 00:04:36,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 78 transitions. [2018-11-10 00:04:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2018-11-10 00:04:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 00:04:36,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 00:04:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2018-11-10 00:04:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2018-11-10 00:04:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 00:04:36,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:04:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2018-11-10 00:04:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2018-11-10 00:04:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:04:36,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-11-10 00:04:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-11-10 00:04:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:04:36,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 00:04:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 82 states and 113 transitions. [2018-11-10 00:04:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2018-11-10 00:04:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:04:37,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 00:04:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2018-11-10 00:04:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2018-11-10 00:04:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:04:38,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 00:04:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 97 states and 143 transitions. [2018-11-10 00:04:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2018-11-10 00:04:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:04:38,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 00:04:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 145 transitions. [2018-11-10 00:04:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2018-11-10 00:04:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:38,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 107 states and 163 transitions. [2018-11-10 00:04:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2018-11-10 00:04:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:39,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 113 states and 178 transitions. [2018-11-10 00:04:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2018-11-10 00:04:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:40,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 181 transitions. [2018-11-10 00:04:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 181 transitions. [2018-11-10 00:04:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:40,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 117 states and 182 transitions. [2018-11-10 00:04:40,655 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2018-11-10 00:04:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:40,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 120 states and 186 transitions. [2018-11-10 00:04:41,056 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 186 transitions. [2018-11-10 00:04:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:41,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:04:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 191 transitions. [2018-11-10 00:04:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2018-11-10 00:04:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:41,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 127 states and 196 transitions. [2018-11-10 00:04:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 196 transitions. [2018-11-10 00:04:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:41,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:41,567 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:41,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 113 states and 172 transitions. [2018-11-10 00:04:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 172 transitions. [2018-11-10 00:04:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:04:41,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 117 states and 180 transitions. [2018-11-10 00:04:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2018-11-10 00:04:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:42,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 119 states and 183 transitions. [2018-11-10 00:04:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2018-11-10 00:04:42,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:42,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 00:04:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 119 states and 181 transitions. [2018-11-10 00:04:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 181 transitions. [2018-11-10 00:04:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:42,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 118 states and 179 transitions. [2018-11-10 00:04:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 179 transitions. [2018-11-10 00:04:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:42,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:04:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 125 states and 195 transitions. [2018-11-10 00:04:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2018-11-10 00:04:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:44,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 00:04:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2018-11-10 00:04:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2018-11-10 00:04:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:44,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 127 states and 196 transitions. [2018-11-10 00:04:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 196 transitions. [2018-11-10 00:04:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:44,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 00:04:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 197 transitions. [2018-11-10 00:04:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2018-11-10 00:04:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:44,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 131 states and 200 transitions. [2018-11-10 00:04:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2018-11-10 00:04:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 00:04:44,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:04:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 134 states and 205 transitions. [2018-11-10 00:04:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 205 transitions. [2018-11-10 00:04:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 00:04:45,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 00:04:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:46,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 140 states and 217 transitions. [2018-11-10 00:04:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2018-11-10 00:04:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 00:04:46,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 00:04:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 145 states and 225 transitions. [2018-11-10 00:04:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2018-11-10 00:04:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 00:04:46,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 00:04:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 146 states and 229 transitions. [2018-11-10 00:04:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 229 transitions. [2018-11-10 00:04:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 00:04:47,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 83 proven. 14 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-10 00:04:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 151 states and 235 transitions. [2018-11-10 00:04:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2018-11-10 00:04:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 00:04:48,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 72 proven. 53 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:04:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 163 states and 249 transitions. [2018-11-10 00:04:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 249 transitions. [2018-11-10 00:04:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 00:04:49,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 24 proven. 149 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 00:04:49,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 168 states and 257 transitions. [2018-11-10 00:04:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 257 transitions. [2018-11-10 00:04:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 00:04:49,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 00:04:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 168 states and 256 transitions. [2018-11-10 00:04:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2018-11-10 00:04:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 00:04:49,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 00:04:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 176 states and 269 transitions. [2018-11-10 00:04:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 269 transitions. [2018-11-10 00:04:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 00:04:50,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 98 proven. 9 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-10 00:04:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 166 states and 256 transitions. [2018-11-10 00:04:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 256 transitions. [2018-11-10 00:04:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 00:04:51,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 00:04:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 167 states and 257 transitions. [2018-11-10 00:04:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 257 transitions. [2018-11-10 00:04:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 00:04:51,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 114 proven. 116 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 00:04:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 180 states and 283 transitions. [2018-11-10 00:04:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 283 transitions. [2018-11-10 00:04:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 00:04:53,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:04:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:04:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 117 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 00:04:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:04:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 142 states and 223 transitions. [2018-11-10 00:04:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2018-11-10 00:04:54,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 00:04:54,085 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2018-11-10 00:04:54,091 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-10 00:04:54,374 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2018-11-10 00:04:54,634 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2018-11-10 00:04:54,895 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2018-11-10 00:04:55,044 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2018-11-10 00:04:55,174 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2018-11-10 00:04:55,342 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:04:55,344 INFO L582 CodeCheckObserver]: Invariant with dag size 59 [2018-11-10 00:04:55,352 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:04:55,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:04:55 ImpRootNode [2018-11-10 00:04:55,353 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 00:04:55,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:04:55,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:04:55,353 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:04:55,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:34" (3/4) ... [2018-11-10 00:04:55,357 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 00:04:55,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 00:04:55,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 00:04:55,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 00:04:55,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 00:04:55,398 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1387cf30-61e4-4e41-bcf1-2caef2c912aa/bin-2019/ukojak/witness.graphml [2018-11-10 00:04:55,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:04:55,398 INFO L168 Benchmark]: Toolchain (without parser) took 21422.03 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 455.1 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 309.3 MB. Max. memory is 11.5 GB. [2018-11-10 00:04:55,399 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:04:55,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:04:55,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.62 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:04:55,400 INFO L168 Benchmark]: Boogie Preprocessor took 16.09 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:04:55,400 INFO L168 Benchmark]: RCFGBuilder took 229.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 00:04:55,400 INFO L168 Benchmark]: CodeCheck took 20934.12 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 324.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.9 MB). Peak memory consumption was 546.4 MB. Max. memory is 11.5 GB. [2018-11-10 00:04:55,401 INFO L168 Benchmark]: Witness Printer took 44.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 00:04:55,403 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, 38 locations, 8 error locations. SAFE Result, 19.6s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -395313552 SDslu, -818807952 SDs, 0 SdLazy, -1211189166 SolverSat, 1097498114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15052 GetRequests, 13781 SyntacticMatches, 777 SemanticMatches, 494 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144159 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1770 NumberOfCodeBlocks, 1770 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1720 ConstructedInterpolants, 0 QuantifiedInterpolants, 251306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 10 PerfectInterpolantSequences, 3127/4383 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: 12]: 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: 12]: 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: 21]: 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: (((((((((((((b + a <= 18 && 9 < a) && a <= 2 * b + 9) || ((2 * b + 9 < a && 18 < b + a) && a <= b + 18)) || ((a <= b && b + a <= 18) && 1 <= a)) || (((b <= 17 && 9 < a) && a <= b + 18) && 8 < b)) || (((a <= 1073741823 && 1 <= a) && a + 16 < b) && b <= a + 2147483646)) || (((1073741823 < a && a <= 2147483647) && a + 16 < b) && b <= a + 2147483646)) || ((a <= 2 * b + 9 && 18 < b + a) && b <= 8)) || ((a <= 2147483647 && 0 <= b) && b + 18 < a)) || ((a <= 9 && 0 <= b) && b < a)) || ((b <= a + 16 && 18 < b + a) && a <= 9)) || ((b <= a + 16 && a <= 2147483647) && 17 < b)) || ((b + a <= 18 && 2 * b + 9 < a) && 0 <= b)) || ((b <= 2147483647 && a <= b + 2147483647) && 2147483647 < a) - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 23.62 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.09 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 229.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 20934.12 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 324.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.9 MB). Peak memory consumption was 546.4 MB. Max. memory is 11.5 GB. * Witness Printer took 44.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...