./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/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 889a23428ce9b0e3800ffce916f37e53fe302b49 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:09:19,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:09:19,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:09:19,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:09:19,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:09:19,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:09:19,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:09:19,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:09:19,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:09:19,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:09:19,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:09:19,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:09:19,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:09:19,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:09:19,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:09:19,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:09:19,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:09:19,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:09:19,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:09:19,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:09:19,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:09:19,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:09:19,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:09:19,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:09:19,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:09:19,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:09:19,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:09:19,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:09:19,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:09:19,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:09:19,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:09:19,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:09:19,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:09:19,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:09:19,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:09:19,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:09:19,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:09:19,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:09:19,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:09:19,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:09:19,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:09:19,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-20 03:09:19,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:09:19,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:09:19,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:09:19,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:09:19,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:09:19,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:09:19,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:09:19,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:09:19,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:09:19,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:09:19,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:09:19,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:09:19,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:09:19,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:09:19,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:09:19,554 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 03:09:19,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:09:19,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:09:19,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:09:19,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:09:19,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:09:19,555 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:09:19,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:09:19,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:09:19,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:09:19,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:09:19,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:09:19,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:09:19,556 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:09:19,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:09:19,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:09:19,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6c7eae1e-92d7-4d48-8000-00602f4fa903/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 -> 889a23428ce9b0e3800ffce916f37e53fe302b49 [2019-11-20 03:09:19,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:09:19,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:09:19,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:09:19,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:09:19,770 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:09:19,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2019-11-20 03:09:19,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/data/55c381917/7d2a32ec223f48f6aff2e5daec98d508/FLAG225651477 [2019-11-20 03:09:20,258 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:09:20,258 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/sv-benchmarks/c/bitvector/byte_add_2-2.i [2019-11-20 03:09:20,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/data/55c381917/7d2a32ec223f48f6aff2e5daec98d508/FLAG225651477 [2019-11-20 03:09:20,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/data/55c381917/7d2a32ec223f48f6aff2e5daec98d508 [2019-11-20 03:09:20,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:09:20,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:09:20,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:09:20,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:09:20,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:09:20,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:09:20" (1/1) ... [2019-11-20 03:09:20,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a0443a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:20, skipping insertion in model container [2019-11-20 03:09:20,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:09:20" (1/1) ... [2019-11-20 03:09:20,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:09:20,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:09:20,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:09:20,965 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:09:21,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:09:21,037 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:09:21,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21 WrapperNode [2019-11-20 03:09:21,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:09:21,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:09:21,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:09:21,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:09:21,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:09:21,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:09:21,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:09:21,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:09:21,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:09:21,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:09:21,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:09:21,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:09:21,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:09:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/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 [2019-11-20 03:09:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:09:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:09:21,826 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:09:21,826 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 03:09:21,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:09:21 BoogieIcfgContainer [2019-11-20 03:09:21,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:09:21,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:09:21,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:09:21,841 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:09:21,841 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:09:21" (1/1) ... [2019-11-20 03:09:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:09:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2019-11-20 03:09:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2019-11-20 03:09:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 03:09:21,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2019-11-20 03:09:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2019-11-20 03:09:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 03:09:22,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2019-11-20 03:09:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2019-11-20 03:09:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 03:09:22,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2019-11-20 03:09:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2019-11-20 03:09:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:09:22,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2019-11-20 03:09:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2019-11-20 03:09:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:09:22,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2019-11-20 03:09:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2019-11-20 03:09:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 03:09:22,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2019-11-20 03:09:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2019-11-20 03:09:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 03:09:22,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2019-11-20 03:09:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2019-11-20 03:09:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 03:09:22,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2019-11-20 03:09:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2019-11-20 03:09:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 03:09:22,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2019-11-20 03:09:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2019-11-20 03:09:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:09:22,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2019-11-20 03:09:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2019-11-20 03:09:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:09:22,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2019-11-20 03:09:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2019-11-20 03:09:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:09:22,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2019-11-20 03:09:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2019-11-20 03:09:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:09:22,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2019-11-20 03:09:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2019-11-20 03:09:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:09:22,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2019-11-20 03:09:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2019-11-20 03:09:22,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:09:22,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2019-11-20 03:09:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2019-11-20 03:09:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:09:22,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2019-11-20 03:09:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2019-11-20 03:09:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:09:22,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2019-11-20 03:09:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2019-11-20 03:09:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:09:22,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2019-11-20 03:09:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2019-11-20 03:09:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:09:22,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2019-11-20 03:09:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2019-11-20 03:09:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:09:22,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2019-11-20 03:09:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2019-11-20 03:09:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2019-11-20 03:09:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2019-11-20 03:09:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2019-11-20 03:09:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2019-11-20 03:09:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2019-11-20 03:09:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2019-11-20 03:09:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2019-11-20 03:09:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-11-20 03:09:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2019-11-20 03:09:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2019-11-20 03:09:22,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2019-11-20 03:09:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2019-11-20 03:09:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:09:22,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2019-11-20 03:09:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2019-11-20 03:09:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:09:22,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2019-11-20 03:09:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2019-11-20 03:09:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:09:22,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2019-11-20 03:09:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2019-11-20 03:09:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:09:22,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2019-11-20 03:09:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2019-11-20 03:09:22,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:09:22,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2019-11-20 03:09:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2019-11-20 03:09:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:09:22,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2019-11-20 03:09:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2019-11-20 03:09:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:09:22,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2019-11-20 03:09:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2019-11-20 03:09:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:09:22,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2019-11-20 03:09:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2019-11-20 03:09:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:09:22,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2019-11-20 03:09:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-20 03:09:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:09:22,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:09:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:09:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:09:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:09:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-20 03:09:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-20 03:09:22,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:09:22,965 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2019-11-20 03:09:22,975 INFO L765 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2019-11-20 03:09:23,039 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:09:23,044 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:09:23,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:09:23 ImpRootNode [2019-11-20 03:09:23,045 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:09:23,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:09:23,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:09:23,046 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:09:23,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:09:21" (3/4) ... [2019-11-20 03:09:23,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:09:23,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-11-20 03:09:23,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 03:09:23,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:09:23,152 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6c7eae1e-92d7-4d48-8000-00602f4fa903/bin/ukojak/witness.graphml [2019-11-20 03:09:23,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:09:23,154 INFO L168 Benchmark]: Toolchain (without parser) took 2503.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 985.3 MB in the end (delta: -39.3 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:09:23,155 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:09:23,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:09:23,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:09:23,156 INFO L168 Benchmark]: Boogie Preprocessor took 28.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:09:23,156 INFO L168 Benchmark]: RCFGBuilder took 715.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:09:23,157 INFO L168 Benchmark]: CodeCheck took 1216.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.7 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:09:23,157 INFO L168 Benchmark]: Witness Printer took 106.18 ms. Allocated memory is still 1.2 GB. Free memory was 990.7 MB in the beginning and 985.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:09:23,160 INFO L335 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. Result: SAFE, OverallTime: 1.0s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1471473888 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, 0.2s SatisfiabilityAnalysisTime, 0.3s 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: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: 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: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 715.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1216.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.7 MB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. * Witness Printer took 106.18 ms. Allocated memory is still 1.2 GB. Free memory was 990.7 MB in the beginning and 985.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...