./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/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_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/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_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/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 00:56:13,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:56:13,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:56:13,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:56:13,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:56:13,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:56:13,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:56:13,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:56:13,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:56:13,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:56:13,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:56:13,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:56:13,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:56:13,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:56:13,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:56:13,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:56:13,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:56:13,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:56:13,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:56:13,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:56:13,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:56:13,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:56:13,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:56:13,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:56:13,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:56:13,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:56:13,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:56:13,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:56:13,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:56:13,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:56:13,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:56:13,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:56:13,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:56:13,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:56:13,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:56:13,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:56:13,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:56:13,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:56:13,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:56:13,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:56:13,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:56:13,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-20 00:56:13,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:56:13,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:56:13,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 00:56:13,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 00:56:13,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:56:13,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:56:13,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:56:13,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:56:13,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:56:13,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:56:13,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:56:13,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:56:13,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:56:13,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:56:13,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:56:13,130 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 00:56:13,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:56:13,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:56:13,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:56:13,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:56:13,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 00:56:13,131 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 00:56:13,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:56:13,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:56:13,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 00:56:13,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:56:13,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:56:13,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:56:13,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 00:56:13,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:56:13,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:56:13,133 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_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/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 [2019-11-20 00:56:13,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:56:13,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:56:13,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:56:13,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:56:13,329 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:56:13,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2019-11-20 00:56:13,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/data/3b811ab3a/92d56d84ee3a40f5930c17d1881d87a4/FLAGd0366bd96 [2019-11-20 00:56:13,820 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:56:13,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2019-11-20 00:56:13,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/data/3b811ab3a/92d56d84ee3a40f5930c17d1881d87a4/FLAGd0366bd96 [2019-11-20 00:56:14,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/bin/ukojak/data/3b811ab3a/92d56d84ee3a40f5930c17d1881d87a4 [2019-11-20 00:56:14,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:56:14,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:56:14,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:56:14,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:56:14,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:56:14,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6139df45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14, skipping insertion in model container [2019-11-20 00:56:14,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:56:14,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:56:14,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:56:14,512 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:56:14,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:56:14,585 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:56:14,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14 WrapperNode [2019-11-20 00:56:14,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:56:14,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:56:14,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:56:14,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:56:14,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:56:14,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:56:14,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:56:14,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:56:14,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... [2019-11-20 00:56:14,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:56:14,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:56:14,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:56:14,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:56:14,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:56:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28a447e2-873e-4f71-89cd-5dfa2edc8cf8/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 00:56:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-11-20 00:56:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-11-20 00:56:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:56:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:56:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2019-11-20 00:56:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2019-11-20 00:56:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 00:56:14,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 00:56:15,259 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:56:15,259 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 00:56:15,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:56:15 BoogieIcfgContainer [2019-11-20 00:56:15,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:56:15,261 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 00:56:15,261 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 00:56:15,273 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 00:56:15,273 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:56:15" (1/1) ... [2019-11-20 00:56:15,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:56:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2019-11-20 00:56:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2019-11-20 00:56:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 00:56:15,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:15,473 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 00:56:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2019-11-20 00:56:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2019-11-20 00:56:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 00:56:15,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:15,564 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 00:56:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2019-11-20 00:56:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2019-11-20 00:56:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 00:56:15,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:15,670 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 00:56:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2019-11-20 00:56:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2019-11-20 00:56:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 00:56:15,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:15,770 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 00:56:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2019-11-20 00:56:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2019-11-20 00:56:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 00:56:15,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:15,841 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 00:56:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 88 states and 111 transitions. [2019-11-20 00:56:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2019-11-20 00:56:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 00:56:15,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:15,952 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 00:56:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2019-11-20 00:56:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2019-11-20 00:56:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 00:56:16,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:16,258 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 00:56:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 128 transitions. [2019-11-20 00:56:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2019-11-20 00:56:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 00:56:16,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:16,420 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 00:56:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 101 states and 132 transitions. [2019-11-20 00:56:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2019-11-20 00:56:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:56:16,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:56:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 142 transitions. [2019-11-20 00:56:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2019-11-20 00:56:17,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 00:56:17,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:17,160 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 00:56:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 111 states and 149 transitions. [2019-11-20 00:56:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2019-11-20 00:56:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 00:56:17,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:17,324 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 00:56:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 119 states and 162 transitions. [2019-11-20 00:56:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 162 transitions. [2019-11-20 00:56:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 00:56:17,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:56:17,793 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 00:56:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:56:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 122 states and 166 transitions. [2019-11-20 00:56:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 166 transitions. [2019-11-20 00:56:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 00:56:17,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:56:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:56:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:56:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:56:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:56:17,889 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2019-11-20 00:56:17,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 12:56:17 ImpRootNode [2019-11-20 00:56:17,951 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 00:56:17,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:56:17,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:56:17,952 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:56:17,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:56:15" (3/4) ... [2019-11-20 00:56:17,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:56:17,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:56:17,958 INFO L168 Benchmark]: Toolchain (without parser) took 3747.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:56:17,959 INFO L168 Benchmark]: CDTParser took 0.18 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 00:56:17,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:56:17,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:56:17,977 INFO L168 Benchmark]: Boogie Preprocessor took 26.03 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 00:56:17,978 INFO L168 Benchmark]: RCFGBuilder took 613.09 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-20 00:56:17,978 INFO L168 Benchmark]: CodeCheck took 2690.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:56:17,979 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:56:17,983 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: 2.5s, 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, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1183 GetRequests, 1106 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 1.5s 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 0.18 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 375.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.03 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 613.09 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2690.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 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...