./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c --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_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/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 479d6c726d10e8798df24a80dcd9ef5974b242df .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/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 0.1.24-678e011 [2019-11-20 03:26:52,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:26:52,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:26:53,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:26:53,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:26:53,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:26:53,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:26:53,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:26:53,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:26:53,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:26:53,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:26:53,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:26:53,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:26:53,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:26:53,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:26:53,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:26:53,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:26:53,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:26:53,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:26:53,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:26:53,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:26:53,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:26:53,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:26:53,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:26:53,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:26:53,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:26:53,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:26:53,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:26:53,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:26:53,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:26:53,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:26:53,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:26:53,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:26:53,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:26:53,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:26:53,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:26:53,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:26:53,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:26:53,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:26:53,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:26:53,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:26:53,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-20 03:26:53,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:26:53,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:26:53,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:26:53,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:26:53,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:26:53,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:26:53,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:26:53,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:26:53,067 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:26:53,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:26:53,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:26:53,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:26:53,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:26:53,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:26:53,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:26:53,068 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 03:26:53,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:26:53,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:26:53,069 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:26:53,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:26:53,070 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:26:53,070 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:26:53,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:26:53,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:26:53,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:26:53,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:26:53,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:26:53,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:26:53,072 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:26:53,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:26:53,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:26:53,072 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_a3897cb7-67f0-4783-a443-a15b3d025a34/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 -> 479d6c726d10e8798df24a80dcd9ef5974b242df [2019-11-20 03:26:53,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:26:53,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:26:53,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:26:53,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:26:53,255 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:26:53,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2019-11-20 03:26:53,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/data/c55259e3f/c8c72d2432fd4552a46ff90fbf312742/FLAGa8b7b209a [2019-11-20 03:26:53,795 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:26:53,796 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2019-11-20 03:26:53,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/data/c55259e3f/c8c72d2432fd4552a46ff90fbf312742/FLAGa8b7b209a [2019-11-20 03:26:54,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/bin/ukojak/data/c55259e3f/c8c72d2432fd4552a46ff90fbf312742 [2019-11-20 03:26:54,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:26:54,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:26:54,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:26:54,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:26:54,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:26:54,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402b70d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54, skipping insertion in model container [2019-11-20 03:26:54,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:26:54,213 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:26:54,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:26:54,544 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:26:54,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:26:54,617 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:26:54,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54 WrapperNode [2019-11-20 03:26:54,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:26:54,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:26:54,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:26:54,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:26:54,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:26:54,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:26:54,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:26:54,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:26:54,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... [2019-11-20 03:26:54,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:26:54,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:26:54,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:26:54,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:26:54,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:26:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a3897cb7-67f0-4783-a443-a15b3d025a34/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 03:26:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-11-20 03:26:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-11-20 03:26:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:26:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:26:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 03:26:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 03:26:55,924 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:26:55,924 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 03:26:55,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:26:55 BoogieIcfgContainer [2019-11-20 03:26:55,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:26:55,926 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:26:55,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:26:55,936 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:26:55,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:26:55" (1/1) ... [2019-11-20 03:26:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:26:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2019-11-20 03:26:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2019-11-20 03:26:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 03:26:55,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,127 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 03:26:56,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2019-11-20 03:26:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2019-11-20 03:26:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 03:26:56,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,211 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 03:26:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 88 states and 113 transitions. [2019-11-20 03:26:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2019-11-20 03:26:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:26:56,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,318 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 03:26:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 87 states and 112 transitions. [2019-11-20 03:26:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2019-11-20 03:26:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:26:56,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,378 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 03:26:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2019-11-20 03:26:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2019-11-20 03:26:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:26:56,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,450 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 03:26:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2019-11-20 03:26:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2019-11-20 03:26:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:26:56,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,655 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 03:26:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2019-11-20 03:26:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2019-11-20 03:26:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:26:56,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:56,947 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 03:26:57,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 101 states and 135 transitions. [2019-11-20 03:26:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2019-11-20 03:26:57,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:26:57,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:57,148 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 03:26:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 103 states and 139 transitions. [2019-11-20 03:26:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 139 transitions. [2019-11-20 03:26:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:26:57,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:26:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 109 states and 149 transitions. [2019-11-20 03:26:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2019-11-20 03:26:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 03:26:58,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:26:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 156 transitions. [2019-11-20 03:26:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2019-11-20 03:26:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 03:26:58,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:26:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 121 states and 169 transitions. [2019-11-20 03:26:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2019-11-20 03:26:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 03:26:58,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:26:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:26:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:26:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 124 states and 173 transitions. [2019-11-20 03:26:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 173 transitions. [2019-11-20 03:26:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 03:26:58,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:26:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:26:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:26:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:26:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:26:58,765 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2019-11-20 03:26:58,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:26:58 ImpRootNode [2019-11-20 03:26:58,820 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:26:58,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:26:58,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:26:58,821 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:26:58,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:26:55" (3/4) ... [2019-11-20 03:26:58,826 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:26:58,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:26:58,844 INFO L168 Benchmark]: Toolchain (without parser) took 4685.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -259.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:26:58,845 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:26:58,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -200.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:26:58,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:26:58,847 INFO L168 Benchmark]: Boogie Preprocessor took 34.24 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 03:26:58,848 INFO L168 Benchmark]: RCFGBuilder took 1216.98 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: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:26:58,849 INFO L168 Benchmark]: CodeCheck took 2893.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.0 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:26:58,850 INFO L168 Benchmark]: Witness Printer took 21.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:26:58,854 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 3 procedures, 82 locations, 20 error locations. Result: UNSAFE, OverallTime: 2.8s, 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, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1183 GetRequests, 1106 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s 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_add ; [L223] unsigned int zero ; [L224] int sa ; [L225] int sb ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L230] int tmp___3 ; [L231] int tmp___4 ; [L232] int tmp___5 ; [L233] int tmp___6 ; [L234] int tmp___7 ; [L235] int tmp___8 ; [L236] int tmp___9 ; [L237] int __retres23 ; [L241] 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); [L241] RET, EXPR base2flt(0, 0) [L241] zero = base2flt(0, 0) [L242] 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 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -200.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.24 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. * RCFGBuilder took 1216.98 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: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2893.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.0 MB). Peak memory consumption was 255.5 MB. Max. memory is 11.5 GB. * Witness Printer took 21.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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...