./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.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_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/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 409f93cc3fb27e0335e986593862ddeb482b815c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:19:25,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:19:25,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:19:25,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:19:25,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:19:25,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:19:25,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:19:25,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:19:25,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:19:25,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:19:25,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:19:25,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:19:25,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:19:25,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:19:25,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:19:25,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:19:25,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:19:25,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:19:25,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:19:25,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:19:25,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:19:25,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:19:25,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:19:25,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:19:25,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:19:25,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:19:25,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:19:25,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:19:25,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:19:25,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:19:25,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:19:25,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:19:25,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:19:25,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:19:25,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:19:25,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:19:25,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:19:25,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:19:25,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:19:25,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:19:25,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:19:25,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 18:19:25,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:19:25,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:19:25,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:19:25,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:19:25,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:19:25,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:19:25,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:19:25,539 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:19:25,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:19:25,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:19:25,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:19:25,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:19:25,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:19:25,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:19:25,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:19:25,542 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 18:19:25,542 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:19:25,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:19:25,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:19:25,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:19:25,544 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:19:25,544 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:19:25,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:19:25,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:19:25,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:19:25,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:19:25,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:19:25,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:19:25,549 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:19:25,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:19:25,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:19:25,550 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_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 409f93cc3fb27e0335e986593862ddeb482b815c [2020-12-01 18:19:25,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:19:25,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:19:25,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:19:25,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:19:25,950 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:19:25,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add-1.i [2020-12-01 18:19:26,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/data/f2ccc99c8/f54fab83ce3f4e3dac7a4c7f1342d92d/FLAG25815f6f4 [2020-12-01 18:19:26,826 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:19:26,827 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/sv-benchmarks/c/bitvector/byte_add-1.i [2020-12-01 18:19:26,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/data/f2ccc99c8/f54fab83ce3f4e3dac7a4c7f1342d92d/FLAG25815f6f4 [2020-12-01 18:19:27,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/data/f2ccc99c8/f54fab83ce3f4e3dac7a4c7f1342d92d [2020-12-01 18:19:27,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:19:27,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:19:27,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:27,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:19:27,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:19:27,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@860cac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27, skipping insertion in model container [2020-12-01 18:19:27,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:19:27,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:19:27,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:27,586 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:19:27,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:27,645 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:19:27,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27 WrapperNode [2020-12-01 18:19:27,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:27,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:27,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:19:27,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:19:27,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:27,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:19:27,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:19:27,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:19:27,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... [2020-12-01 18:19:27,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:19:27,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:19:27,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:19:27,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:19:27,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/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 18:19:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:19:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:19:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:19:27,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:19:28,912 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:19:28,913 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 18:19:28,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:28 BoogieIcfgContainer [2020-12-01 18:19:28,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:19:28,918 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:19:28,918 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:19:28,932 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:19:28,932 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:28" (1/1) ... [2020-12-01 18:19:28,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:19:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2020-12-01 18:19:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2020-12-01 18:19:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:19:29,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,150 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 18:19:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2020-12-01 18:19:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2020-12-01 18:19:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:19:29,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,196 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 18:19:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2020-12-01 18:19:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2020-12-01 18:19:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:19:29,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,259 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 18:19:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2020-12-01 18:19:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2020-12-01 18:19:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:19:29,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,357 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 18:19:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2020-12-01 18:19:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2020-12-01 18:19:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:19:29,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,426 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 18:19:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2020-12-01 18:19:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-12-01 18:19:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:19:29,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,498 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 18:19:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2020-12-01 18:19:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-12-01 18:19:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:19:29,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,555 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 18:19:29,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2020-12-01 18:19:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2020-12-01 18:19:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:19:29,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,626 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 18:19:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2020-12-01 18:19:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2020-12-01 18:19:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:19:29,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,690 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 18:19:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2020-12-01 18:19:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2020-12-01 18:19:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:19:29,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,743 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 18:19:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2020-12-01 18:19:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2020-12-01 18:19:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:19:29,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,805 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 18:19:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2020-12-01 18:19:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2020-12-01 18:19:29,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:19:29,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,855 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 18:19:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2020-12-01 18:19:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2020-12-01 18:19:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:19:29,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,897 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 18:19:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2020-12-01 18:19:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2020-12-01 18:19:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:19:29,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,950 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 18:19:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2020-12-01 18:19:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2020-12-01 18:19:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:29,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,985 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 18:19:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2020-12-01 18:19:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2020-12-01 18:19:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:29,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,040 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 18:19:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2020-12-01 18:19:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2020-12-01 18:19:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:30,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,077 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 18:19:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2020-12-01 18:19:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2020-12-01 18:19:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:30,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,114 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 18:19:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2020-12-01 18:19:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2020-12-01 18:19:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:30,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,154 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 18:19:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2020-12-01 18:19:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2020-12-01 18:19:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:19:30,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,184 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 18:19:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2020-12-01 18:19:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2020-12-01 18:19:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,215 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 18:19:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2020-12-01 18:19:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2020-12-01 18:19:30,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,271 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 18:19:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2020-12-01 18:19:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-12-01 18:19:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,298 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 18:19:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2020-12-01 18:19:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-12-01 18:19:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,334 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 18:19:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2020-12-01 18:19:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2020-12-01 18:19:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,363 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 18:19:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2020-12-01 18:19:30,366 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-12-01 18:19:30,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,403 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 18:19:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2020-12-01 18:19:30,410 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2020-12-01 18:19:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:19:30,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,428 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 18:19:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2020-12-01 18:19:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2020-12-01 18:19:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:30,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,458 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 18:19:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2020-12-01 18:19:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2020-12-01 18:19:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:30,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,478 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 18:19:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2020-12-01 18:19:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2020-12-01 18:19:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:30,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,500 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 18:19:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2020-12-01 18:19:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2020-12-01 18:19:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:30,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,519 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 18:19:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2020-12-01 18:19:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2020-12-01 18:19:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:30,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,558 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 18:19:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-12-01 18:19:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-12-01 18:19:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:19:30,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,586 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 18:19:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2020-12-01 18:19:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2020-12-01 18:19:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:19:30,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,611 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 18:19:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-12-01 18:19:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-12-01 18:19:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:19:30,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,644 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 18:19:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-12-01 18:19:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-12-01 18:19:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:19:30,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,676 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 18:19:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-12-01 18:19:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-12-01 18:19:30,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:19:30,680 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-12-01 18:19:30,689 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2020-12-01 18:19:30,751 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:19:30,757 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:19:30,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:19:30 ImpRootNode [2020-12-01 18:19:30,758 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:19:30,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:19:30,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:19:30,759 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:19:30,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:28" (3/4) ... [2020-12-01 18:19:30,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:19:30,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:19:30,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:19:30,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:19:30,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:19:30,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fdea8fe6-c0c9-4d79-91ac-0b5b1ce48de1/bin/ukojak/witness.graphml [2020-12-01 18:19:30,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:19:30,879 INFO L168 Benchmark]: Toolchain (without parser) took 3732.56 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 64.9 MB in the beginning and 40.7 MB in the end (delta: 24.2 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,880 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:19:30,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.13 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 64.6 MB in the beginning and 93.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.45 ms. Allocated memory is still 117.4 MB. Free memory was 93.2 MB in the beginning and 91.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,908 INFO L168 Benchmark]: Boogie Preprocessor took 60.89 ms. Allocated memory is still 117.4 MB. Free memory was 91.1 MB in the beginning and 89.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,909 INFO L168 Benchmark]: RCFGBuilder took 1150.44 ms. Allocated memory is still 117.4 MB. Free memory was 89.5 MB in the beginning and 46.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,910 INFO L168 Benchmark]: CodeCheck took 1839.97 ms. Allocated memory is still 117.4 MB. Free memory was 46.6 MB in the beginning and 45.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,911 INFO L168 Benchmark]: Witness Printer took 118.92 ms. Allocated memory is still 117.4 MB. Free memory was 45.3 MB in the beginning and 40.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:19:30,913 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: 1.7s, 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 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.13 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 64.6 MB in the beginning and 93.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.45 ms. Allocated memory is still 117.4 MB. Free memory was 93.2 MB in the beginning and 91.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.89 ms. Allocated memory is still 117.4 MB. Free memory was 91.1 MB in the beginning and 89.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1150.44 ms. Allocated memory is still 117.4 MB. Free memory was 89.5 MB in the beginning and 46.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * CodeCheck took 1839.97 ms. Allocated memory is still 117.4 MB. Free memory was 46.6 MB in the beginning and 45.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Witness Printer took 118.92 ms. Allocated memory is still 117.4 MB. Free memory was 45.3 MB in the beginning and 40.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...