./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/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 988d729fd88587f81c20330c30676fd457cc5bbc ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:44:07,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:44:07,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:44:07,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:44:07,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:44:07,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:44:07,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:44:07,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:44:07,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:44:07,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:44:07,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:44:07,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:44:07,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:44:07,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:44:07,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:44:07,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:44:07,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:44:07,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:44:07,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:44:07,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:44:07,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:44:07,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:44:07,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:44:07,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:44:07,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:44:07,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:44:07,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:44:07,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:44:07,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:44:07,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:44:07,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:44:07,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:44:07,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:44:07,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:44:07,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:44:07,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:44:07,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:44:07,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:44:07,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:44:07,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:44:07,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:44:07,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-26 02:44:07,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:44:07,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:44:07,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:44:07,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:44:07,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:44:07,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:44:07,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:44:07,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:44:07,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:44:07,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:44:07,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:44:07,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:44:07,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:44:07,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:44:07,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:44:07,557 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:44:07,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:44:07,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:44:07,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:44:07,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:44:07,558 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:44:07,558 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:44:07,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:44:07,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:44:07,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:44:07,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:44:07,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:44:07,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:44:07,560 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:44:07,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:44:07,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:44:07,561 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_1d9097f4-e73d-4c99-8863-67950a9f6237/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 -> 988d729fd88587f81c20330c30676fd457cc5bbc [2019-11-26 02:44:07,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:44:07,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:44:07,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:44:07,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:44:07,719 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:44:07,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2019-11-26 02:44:07,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/data/0dfb8a214/7b0cc3c51a3d43f3bb2248143344276f/FLAG293ef4e61 [2019-11-26 02:44:08,184 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:44:08,184 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2019-11-26 02:44:08,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/data/0dfb8a214/7b0cc3c51a3d43f3bb2248143344276f/FLAG293ef4e61 [2019-11-26 02:44:08,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/bin/ukojak/data/0dfb8a214/7b0cc3c51a3d43f3bb2248143344276f [2019-11-26 02:44:08,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:44:08,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:44:08,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:08,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:44:08,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:44:08,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e89971a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08, skipping insertion in model container [2019-11-26 02:44:08,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:44:08,622 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:44:08,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:08,882 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:44:08,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:08,943 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:44:08,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08 WrapperNode [2019-11-26 02:44:08,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:08,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:08,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:44:08,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:44:08,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:08,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:44:08,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:44:08,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:44:08,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:08,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:09,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:09,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... [2019-11-26 02:44:09,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:44:09,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:44:09,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:44:09,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:44:09,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d9097f4-e73d-4c99-8863-67950a9f6237/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 [2019-11-26 02:44:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-11-26 02:44:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-11-26 02:44:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:44:09,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:44:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2019-11-26 02:44:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2019-11-26 02:44:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-26 02:44:09,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-26 02:44:09,558 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:44:09,559 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:44:09,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:09 BoogieIcfgContainer [2019-11-26 02:44:09,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:44:09,560 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:44:09,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:44:09,569 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:44:09,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:09" (1/1) ... [2019-11-26 02:44:09,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:44:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2019-11-26 02:44:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2019-11-26 02:44:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:44:09,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2019-11-26 02:44:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2019-11-26 02:44:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:44:09,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2019-11-26 02:44:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2019-11-26 02:44:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:44:09,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2019-11-26 02:44:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2019-11-26 02:44:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:44:09,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2019-11-26 02:44:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2019-11-26 02:44:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:44:09,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 88 states and 111 transitions. [2019-11-26 02:44:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2019-11-26 02:44:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:44:10,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2019-11-26 02:44:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2019-11-26 02:44:10,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:44:10,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 128 transitions. [2019-11-26 02:44:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2019-11-26 02:44:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:44:10,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 101 states and 132 transitions. [2019-11-26 02:44:10,877 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2019-11-26 02:44:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:44:10,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 142 transitions. [2019-11-26 02:44:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2019-11-26 02:44:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:44:11,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 111 states and 149 transitions. [2019-11-26 02:44:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2019-11-26 02:44:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:44:11,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 119 states and 162 transitions. [2019-11-26 02:44:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2019-11-26 02:44:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:44:11,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:44:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 122 states and 166 transitions. [2019-11-26 02:44:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 166 transitions. [2019-11-26 02:44:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:44:11,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:11,959 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2019-11-26 02:44:11,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:44:11 ImpRootNode [2019-11-26 02:44:11,989 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:44:11,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:44:11,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:44:11,989 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:44:11,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:09" (3/4) ... [2019-11-26 02:44:11,993 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:44:11,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:44:11,995 INFO L168 Benchmark]: Toolchain (without parser) took 3409.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:11,996 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-11-26 02:44:11,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:44:11,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:11,998 INFO L168 Benchmark]: Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:11,998 INFO L168 Benchmark]: RCFGBuilder took 552.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:44:11,999 INFO L168 Benchmark]: CodeCheck took 2428.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:11,999 INFO L168 Benchmark]: Witness Printer took 4.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:12,002 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 4 procedures, 80 locations, 20 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 63248 SDtfs, 23812 SDslu, 24992 SDs, 0 SdLazy, 48594 SolverSat, 14766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1183 GetRequests, 1106 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 4025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 8/8 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 - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L216] unsigned int a ; [L217] unsigned int ma = __VERIFIER_nondet_uint(); [L218] signed char ea = __VERIFIER_nondet_char(); [L219] unsigned int b ; [L220] unsigned int mb = __VERIFIER_nondet_uint(); [L221] signed char eb = __VERIFIER_nondet_char(); [L222] unsigned int r_add1 ; [L223] unsigned int r_add2 ; [L224] unsigned int zero ; [L225] int tmp ; [L226] int tmp___0 ; [L227] int __retres14 ; [L231] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L15] unsigned int res ; [L16] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L19] COND TRUE ! m [L20] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L70] return (__retres4); [L231] RET, EXPR base2flt(0, 0) [L231] zero = base2flt(0, 0) [L232] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L15] unsigned int res ; [L16] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L19] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L25] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L47] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L49] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L66] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0] [L67] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0] [L67] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 357.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 552.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2428.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...