./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.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_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/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 39cb4cd76df2e8797d57bb810d33273c2686a46c ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/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 02:44:53,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:44:53,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:44:53,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:44:53,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:44:53,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:44:53,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:44:53,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:44:53,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:44:53,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:44:53,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:44:53,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:44:53,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:44:53,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:44:53,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:44:53,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:44:53,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:44:53,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:44:53,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:44:53,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:44:53,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:44:53,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:44:53,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:44:53,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:44:53,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:44:53,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:44:53,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:44:53,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:44:53,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:44:53,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:44:53,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:44:53,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:44:53,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:44:53,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:44:53,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:44:53,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:44:53,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:44:53,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:44:53,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:44:53,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:44:53,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:44:53,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-26 02:44:53,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:44:53,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:44:53,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:44:53,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:44:53,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:44:53,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:44:53,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:44:53,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:44:53,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:44:53,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:44:53,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:44:53,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:44:53,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:44:53,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:44:53,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:44:53,982 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:44:53,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:44:53,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:44:53,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:44:53,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:44:53,983 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:44:53,983 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:44:53,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:44:53,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:44:53,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:44:53,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:44:53,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:44:53,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:44:53,985 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:44:53,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:44:53,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:44:53,985 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_aa88ac5a-fda4-4c71-915b-31be20785052/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 -> 39cb4cd76df2e8797d57bb810d33273c2686a46c [2019-11-26 02:44:54,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:44:54,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:44:54,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:44:54,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:44:54,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:44:54,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2019-11-26 02:44:54,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/data/bbb4fb5b8/6f4382462077448aa1fb282bb71b0111/FLAG6b08acfc5 [2019-11-26 02:44:54,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:44:54,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2019-11-26 02:44:54,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/data/bbb4fb5b8/6f4382462077448aa1fb282bb71b0111/FLAG6b08acfc5 [2019-11-26 02:44:54,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/bin/ukojak/data/bbb4fb5b8/6f4382462077448aa1fb282bb71b0111 [2019-11-26 02:44:54,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:44:54,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:44:54,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:54,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:44:54,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:44:54,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cec2673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54, skipping insertion in model container [2019-11-26 02:44:54,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:54,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:44:54,692 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:44:54,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:54,948 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:44:54,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:44:54,998 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:44:54,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54 WrapperNode [2019-11-26 02:44:54,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:44:54,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:54,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:44:55,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:44:55,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:44:55,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:44:55,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:44:55,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:44:55,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... [2019-11-26 02:44:55,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:44:55,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:44:55,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:44:55,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:44:55,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:44:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa88ac5a-fda4-4c71-915b-31be20785052/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 02:44:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-11-26 02:44:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-11-26 02:44:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:44:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:44:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2019-11-26 02:44:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2019-11-26 02:44:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-26 02:44:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-26 02:44:55,643 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:44:55,643 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:44:55,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:55 BoogieIcfgContainer [2019-11-26 02:44:55,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:44:55,645 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:44:55,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:44:55,652 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:44:55,653 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:55" (1/1) ... [2019-11-26 02:44:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:44:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2019-11-26 02:44:55,692 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2019-11-26 02:44:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:44:55,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:55,793 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 02:44:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2019-11-26 02:44:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2019-11-26 02:44:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:44:55,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:55,879 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 02:44:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2019-11-26 02:44:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2019-11-26 02:44:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:44:56,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:56,072 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 02:44:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2019-11-26 02:44:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2019-11-26 02:44:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:44:56,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:56,133 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 02:44:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 87 states and 109 transitions. [2019-11-26 02:44:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2019-11-26 02:44:56,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:44:56,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:56,185 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 02:44:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2019-11-26 02:44:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2019-11-26 02:44:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:44:56,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:56,319 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 02:44:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2019-11-26 02:44:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2019-11-26 02:44:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:44:56,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:56,518 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 02:44:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2019-11-26 02:44:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2019-11-26 02:44:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:44:56,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:56,641 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 02:44:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 99 states and 129 transitions. [2019-11-26 02:44:56,985 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2019-11-26 02:44:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:44:56,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:57,117 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 02:44:57,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 139 transitions. [2019-11-26 02:44:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2019-11-26 02:44:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:44:57,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:57,398 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 02:44:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 146 transitions. [2019-11-26 02:44:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2019-11-26 02:44:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:44:57,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:57,547 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 02:44:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 117 states and 159 transitions. [2019-11-26 02:44:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 159 transitions. [2019-11-26 02:44:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:44:57,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:44:57,892 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 02:44:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:44:57,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 120 states and 163 transitions. [2019-11-26 02:44:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2019-11-26 02:44:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:44:57,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:44:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:44:58,011 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2019-11-26 02:44:58,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:44:58 ImpRootNode [2019-11-26 02:44:58,038 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:44:58,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:44:58,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:44:58,039 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:44:58,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:44:55" (3/4) ... [2019-11-26 02:44:58,042 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:44:58,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:44:58,044 INFO L168 Benchmark]: Toolchain (without parser) took 3395.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -220.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:58,045 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 02:44:58,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -254.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:44:58,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:44:58,047 INFO L168 Benchmark]: Boogie Preprocessor took 32.34 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. [2019-11-26 02:44:58,047 INFO L168 Benchmark]: RCFGBuilder took 582.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:44:58,048 INFO L168 Benchmark]: CodeCheck took 2393.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -12.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:44:58,049 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:44:58,052 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, 78 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, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1183 GetRequests, 1106 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 1.3s 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: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 67. Possible FailurePath: [L217] unsigned int a ; [L218] unsigned int ma = __VERIFIER_nondet_uint(); [L219] signed char ea = __VERIFIER_nondet_char(); [L220] unsigned int b ; [L221] unsigned int mb = __VERIFIER_nondet_uint(); [L222] signed char eb = __VERIFIER_nondet_char(); [L223] unsigned int r_add1 ; [L224] unsigned int r_add2 ; [L225] unsigned int zero ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int __retres14 ; [L232] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L16] unsigned int res ; [L17] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L20] COND TRUE ! m [L21] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L71] return (__retres4); [L232] RET, EXPR base2flt(0, 0) [L232] zero = base2flt(0, 0) [L233] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L16] unsigned int res ; [L17] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L20] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L26] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L48] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L50] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L67] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0] [L68] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0] [L68] (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 347.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -254.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.34 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. * RCFGBuilder took 582.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2393.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -12.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...