./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/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 0ce8ca4e0deac77c67f93865fe9306c44a834585 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:48:07,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:48:07,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:48:07,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:48:07,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:48:07,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:48:07,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:48:07,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:48:07,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:48:07,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:48:07,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:48:07,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:48:07,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:48:07,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:48:07,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:48:07,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:48:07,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:48:07,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:48:07,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:48:07,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:48:07,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:48:07,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:48:07,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:48:07,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:48:07,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:48:07,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:48:07,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:48:07,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:48:07,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:48:07,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:48:07,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:48:07,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:48:07,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:48:07,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:48:07,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:48:07,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:48:07,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:48:07,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:48:07,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:48:07,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:48:07,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:48:07,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 17:48:07,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:48:07,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:48:07,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:48:07,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:48:07,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:48:07,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:48:07,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:48:07,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:48:07,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:48:07,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:48:07,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:48:07,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:48:07,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:48:07,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:48:07,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:48:07,612 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:48:07,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:48:07,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:48:07,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:48:07,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:48:07,614 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:48:07,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:48:07,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:48:07,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:48:07,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:48:07,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:48:07,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:48:07,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:48:07,626 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:48:07,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:48:07,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:48:07,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce8ca4e0deac77c67f93865fe9306c44a834585 [2020-12-01 17:48:08,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:48:08,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:48:08,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:48:08,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:48:08,069 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:48:08,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2020-12-01 17:48:08,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/data/5c0102537/9863fbecf6084345b9d57a2ee0be569d/FLAGcb834079e [2020-12-01 17:48:08,968 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:48:08,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/sv-benchmarks/c/bitvector/byte_add_2-2.i [2020-12-01 17:48:09,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/data/5c0102537/9863fbecf6084345b9d57a2ee0be569d/FLAGcb834079e [2020-12-01 17:48:09,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/data/5c0102537/9863fbecf6084345b9d57a2ee0be569d [2020-12-01 17:48:09,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:48:09,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:48:09,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:48:09,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:48:09,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:48:09,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1e98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09, skipping insertion in model container [2020-12-01 17:48:09,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:48:09,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:48:09,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:48:09,607 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:48:09,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:48:09,708 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:48:09,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09 WrapperNode [2020-12-01 17:48:09,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:48:09,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:48:09,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:48:09,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:48:09,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:48:09,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:48:09,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:48:09,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:48:09,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... [2020-12-01 17:48:09,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:48:09,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:48:09,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:48:09,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:48:09,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:48:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/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 [2020-12-01 17:48:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:48:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:48:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:48:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:48:11,086 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:48:11,087 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 17:48:11,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:11 BoogieIcfgContainer [2020-12-01 17:48:11,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:48:11,095 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:48:11,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:48:11,110 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:48:11,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:11" (1/1) ... [2020-12-01 17:48:11,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:48:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2020-12-01 17:48:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2020-12-01 17:48:11,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:48:11,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2020-12-01 17:48:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2020-12-01 17:48:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:48:11,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2020-12-01 17:48:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2020-12-01 17:48:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:48:11,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2020-12-01 17:48:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2020-12-01 17:48:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:48:11,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2020-12-01 17:48:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2020-12-01 17:48:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:48:11,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2020-12-01 17:48:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-12-01 17:48:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:48:11,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2020-12-01 17:48:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-12-01 17:48:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:48:11,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2020-12-01 17:48:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2020-12-01 17:48:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:48:11,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2020-12-01 17:48:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2020-12-01 17:48:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:48:11,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-12-01 17:48:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-12-01 17:48:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:48:11,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2020-12-01 17:48:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2020-12-01 17:48:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:48:11,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2020-12-01 17:48:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2020-12-01 17:48:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:48:12,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2020-12-01 17:48:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2020-12-01 17:48:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:48:12,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2020-12-01 17:48:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2020-12-01 17:48:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:48:12,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2020-12-01 17:48:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2020-12-01 17:48:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:12,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2020-12-01 17:48:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2020-12-01 17:48:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:12,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2020-12-01 17:48:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2020-12-01 17:48:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:12,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2020-12-01 17:48:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2020-12-01 17:48:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:12,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-12-01 17:48:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-12-01 17:48:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:12,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2020-12-01 17:48:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2020-12-01 17:48:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:12,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2020-12-01 17:48:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2020-12-01 17:48:12,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2020-12-01 17:48:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2020-12-01 17:48:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-12-01 17:48:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-12-01 17:48:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2020-12-01 17:48:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-12-01 17:48:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2020-12-01 17:48:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2020-12-01 17:48:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2020-12-01 17:48:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-12-01 17:48:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2020-12-01 17:48:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2020-12-01 17:48:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:12,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2020-12-01 17:48:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2020-12-01 17:48:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:12,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2020-12-01 17:48:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2020-12-01 17:48:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:12,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2020-12-01 17:48:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-12-01 17:48:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:12,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2020-12-01 17:48:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2020-12-01 17:48:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:12,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2020-12-01 17:48:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2020-12-01 17:48:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:12,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-12-01 17:48:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-12-01 17:48:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:12,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2020-12-01 17:48:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2020-12-01 17:48:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:12,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-12-01 17:48:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-12-01 17:48:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:12,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-12-01 17:48:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-12-01 17:48:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:12,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:12,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-12-01 17:48:12,835 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-12-01 17:48:12,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:48:12,836 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-12-01 17:48:12,847 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2020-12-01 17:48:12,917 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:48:12,923 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:48:12,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:48:12 ImpRootNode [2020-12-01 17:48:12,924 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:48:12,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:48:12,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:48:12,925 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:48:12,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:48:11" (3/4) ... [2020-12-01 17:48:12,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:48:12,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:48:12,946 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:48:12,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:48:12,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:48:13,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a7d721a5-ad1a-45f3-b94b-3d7aa0d9853f/bin/ukojak/witness.graphml [2020-12-01 17:48:13,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:48:13,073 INFO L168 Benchmark]: Toolchain (without parser) took 3814.57 ms. Allocated memory is still 98.6 MB. Free memory was 78.5 MB in the beginning and 35.8 MB in the end (delta: 42.7 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:48:13,073 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 81.8 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:48:13,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.60 ms. Allocated memory is still 98.6 MB. Free memory was 78.5 MB in the beginning and 67.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:48:13,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.76 ms. Allocated memory is still 98.6 MB. Free memory was 67.1 MB in the beginning and 65.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:48:13,076 INFO L168 Benchmark]: Boogie Preprocessor took 74.06 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 63.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:48:13,076 INFO L168 Benchmark]: RCFGBuilder took 1247.79 ms. Allocated memory is still 98.6 MB. Free memory was 63.5 MB in the beginning and 57.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:48:13,078 INFO L168 Benchmark]: CodeCheck took 1828.73 ms. Allocated memory is still 98.6 MB. Free memory was 57.7 MB in the beginning and 41.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:48:13,078 INFO L168 Benchmark]: Witness Printer took 141.12 ms. Allocated memory is still 98.6 MB. Free memory was 41.3 MB in the beginning and 35.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:48:13,082 INFO L339 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, 95 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1336594656 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 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, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 2974 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: 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: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: 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: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: 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: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: 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: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: 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: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 81.8 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.60 ms. Allocated memory is still 98.6 MB. Free memory was 78.5 MB in the beginning and 67.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.76 ms. Allocated memory is still 98.6 MB. Free memory was 67.1 MB in the beginning and 65.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.06 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 63.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1247.79 ms. Allocated memory is still 98.6 MB. Free memory was 63.5 MB in the beginning and 57.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1828.73 ms. Allocated memory is still 98.6 MB. Free memory was 57.7 MB in the beginning and 41.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Witness Printer took 141.12 ms. Allocated memory is still 98.6 MB. Free memory was 41.3 MB in the beginning and 35.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...