./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/byte_add_false-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_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/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 a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:17:01,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:17:01,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:17:01,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:17:01,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:17:01,631 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:17:01,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:17:01,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:17:01,638 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:17:01,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:17:01,642 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:17:01,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:17:01,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:17:01,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:17:01,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:17:01,656 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:17:01,657 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:17:01,658 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:17:01,659 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:17:01,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:17:01,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:17:01,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:17:01,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:17:01,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:17:01,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:17:01,668 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:17:01,672 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:17:01,674 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:17:01,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:17:01,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:17:01,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:17:01,678 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:17:01,678 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:17:01,678 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:17:01,679 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:17:01,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:17:01,680 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-10-27 05:17:01,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:17:01,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:17:01,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:17:01,694 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:17:01,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:17:01,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:17:01,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:17:01,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:17:01,696 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:17:01,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:17:01,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:17:01,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:17:01,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:17:01,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:17:01,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:17:01,698 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:17:01,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:17:01,699 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:17:01,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:17:01,699 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:17:01,699 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:17:01,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:17:01,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:17:01,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:17:01,700 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:17:01,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:17:01,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:17:01,700 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:17:01,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:17:01,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:17:01,701 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_df8839b8-e516-4f69-8269-304c52ed7af8/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 -> a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 [2018-10-27 05:17:01,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:17:01,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:17:01,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:17:01,756 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:17:01,756 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:17:01,757 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-10-27 05:17:01,819 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/data/84c5cb86b/d62bfab987e24c069b3c71861a0f760a/FLAGe6b96bda4 [2018-10-27 05:17:02,226 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:17:02,232 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-10-27 05:17:02,239 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/data/84c5cb86b/d62bfab987e24c069b3c71861a0f760a/FLAGe6b96bda4 [2018-10-27 05:17:02,253 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/data/84c5cb86b/d62bfab987e24c069b3c71861a0f760a [2018-10-27 05:17:02,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:17:02,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:17:02,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:02,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:17:02,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:17:02,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e93003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02, skipping insertion in model container [2018-10-27 05:17:02,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:17:02,302 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:17:02,477 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:02,481 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:17:02,528 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:02,543 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:17:02,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02 WrapperNode [2018-10-27 05:17:02,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:02,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:02,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:17:02,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:17:02,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:02,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:17:02,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:17:02,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:17:02,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... [2018-10-27 05:17:02,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:17:02,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:17:02,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:17:02,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:17:02,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/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 [2018-10-27 05:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:17:04,011 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:17:04,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:04 BoogieIcfgContainer [2018-10-27 05:17:04,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:17:04,013 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:17:04,013 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:17:04,022 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:17:04,022 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:04" (1/1) ... [2018-10-27 05:17:04,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:17:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 97 states and 116 transitions. [2018-10-27 05:17:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2018-10-27 05:17:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 05:17:04,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2018-10-27 05:17:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2018-10-27 05:17:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 05:17:04,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions. [2018-10-27 05:17:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2018-10-27 05:17:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:17:04,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2018-10-27 05:17:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2018-10-27 05:17:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:17:04,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2018-10-27 05:17:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2018-10-27 05:17:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:17:04,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2018-10-27 05:17:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2018-10-27 05:17:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:17:04,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 91 states and 110 transitions. [2018-10-27 05:17:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2018-10-27 05:17:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:17:04,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 90 states and 109 transitions. [2018-10-27 05:17:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2018-10-27 05:17:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:17:04,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2018-10-27 05:17:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2018-10-27 05:17:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:17:04,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-10-27 05:17:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-10-27 05:17:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:17:04,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2018-10-27 05:17:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-10-27 05:17:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:17:04,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-10-27 05:17:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-10-27 05:17:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:17:04,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-10-27 05:17:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-10-27 05:17:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:17:04,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2018-10-27 05:17:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-10-27 05:17:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2018-10-27 05:17:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-10-27 05:17:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-10-27 05:17:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-10-27 05:17:04,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2018-10-27 05:17:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-10-27 05:17:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2018-10-27 05:17:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2018-10-27 05:17:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2018-10-27 05:17:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2018-10-27 05:17:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2018-10-27 05:17:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-10-27 05:17:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:17:04,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-10-27 05:17:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-10-27 05:17:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-10-27 05:17:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-10-27 05:17:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2018-10-27 05:17:04,809 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-10-27 05:17:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2018-10-27 05:17:04,829 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-10-27 05:17:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2018-10-27 05:17:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-10-27 05:17:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2018-10-27 05:17:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-10-27 05:17:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2018-10-27 05:17:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-10-27 05:17:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:17:04,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2018-10-27 05:17:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-10-27 05:17:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:04,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-10-27 05:17:04,904 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-10-27 05:17:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:04,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-10-27 05:17:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-10-27 05:17:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:04,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-10-27 05:17:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-10-27 05:17:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:04,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-10-27 05:17:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-10-27 05:17:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:04,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-10-27 05:17:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-10-27 05:17:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:17:04,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2018-10-27 05:17:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2018-10-27 05:17:04,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:17:04,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-10-27 05:17:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-10-27 05:17:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:17:04,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-10-27 05:17:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-10-27 05:17:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:17:05,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-10-27 05:17:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-10-27 05:17:05,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:17:05,028 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-10-27 05:17:05,040 INFO L778 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2018-10-27 05:17:05,235 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:17:05,238 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:17:05,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:17:05 ImpRootNode [2018-10-27 05:17:05,239 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:17:05,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:17:05,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:17:05,240 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:17:05,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:04" (3/4) ... [2018-10-27 05:17:05,246 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:17:05,261 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 05:17:05,261 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-27 05:17:05,262 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:17:05,343 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_df8839b8-e516-4f69-8269-304c52ed7af8/bin-2019/ukojak/witness.graphml [2018-10-27 05:17:05,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:17:05,344 INFO L168 Benchmark]: Toolchain (without parser) took 3088.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -90.0 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:05,346 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:05,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 941.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:05,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.36 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:05,347 INFO L168 Benchmark]: Boogie Preprocessor took 39.43 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:05,347 INFO L168 Benchmark]: RCFGBuilder took 1374.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -207.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:05,347 INFO L168 Benchmark]: CodeCheck took 1226.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:05,348 INFO L168 Benchmark]: Witness Printer took 104.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:05,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 112 locations, 36 error locations. SAFE Result, 0.9s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1260182240 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2651 GetRequests, 2651 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 3554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 941.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.36 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.43 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1374.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -207.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1226.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. * Witness Printer took 104.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...