./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.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_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/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 ba95b834b27cbcdd4c6d5fb7724b09e9ec143686 .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/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 01:15:02,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:15:02,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:15:02,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:15:02,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:15:02,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:15:02,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:15:02,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:15:02,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:15:02,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:15:02,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:15:02,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:15:02,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:15:02,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:15:02,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:15:02,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:15:02,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:15:02,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:15:02,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:15:02,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:15:02,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:15:02,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:15:02,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:15:02,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:15:02,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:15:02,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:15:02,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:15:02,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:15:02,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:15:02,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:15:02,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:15:02,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:15:02,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:15:02,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:15:02,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:15:02,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:15:02,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:15:02,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:15:02,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:15:02,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:15:02,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:15:02,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-20 01:15:02,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:15:02,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:15:02,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:15:02,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:15:02,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:15:02,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:15:02,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:15:02,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:15:02,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:15:02,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:15:02,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:15:02,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:15:02,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:15:02,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:15:02,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:15:02,460 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 01:15:02,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:15:02,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:15:02,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:15:02,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:15:02,461 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:15:02,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:15:02,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:15:02,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:15:02,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:15:02,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:15:02,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:15:02,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:15:02,462 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:15:02,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:15:02,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:15:02,463 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_4c76ef98-f88c-4915-a13b-64809b0c1e6a/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 -> ba95b834b27cbcdd4c6d5fb7724b09e9ec143686 [2019-11-20 01:15:02,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:15:02,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:15:02,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:15:02,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:15:02,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:15:02,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2019-11-20 01:15:02,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/data/da603a9f8/9ec3dc454b504d7c94b6bacde1359e01/FLAGaa4c6e05b [2019-11-20 01:15:03,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:15:03,075 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2019-11-20 01:15:03,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/data/da603a9f8/9ec3dc454b504d7c94b6bacde1359e01/FLAGaa4c6e05b [2019-11-20 01:15:03,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/bin/ukojak/data/da603a9f8/9ec3dc454b504d7c94b6bacde1359e01 [2019-11-20 01:15:03,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:15:03,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:15:03,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:15:03,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:15:03,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:15:03,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,513 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 01:15:03, skipping insertion in model container [2019-11-20 01:15:03,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,521 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:15:03,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:15:03,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:15:03,814 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:15:03,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:15:03,888 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:15:03,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03 WrapperNode [2019-11-20 01:15:03,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:15:03,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:15:03,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:15:03,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:15:03,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:15:03,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:15:03,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:15:03,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:15:03,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:03,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:04,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:04,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... [2019-11-20 01:15:04,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:15:04,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:15:04,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:15:04,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:15:04,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:15:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c76ef98-f88c-4915-a13b-64809b0c1e6a/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 01:15:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2019-11-20 01:15:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2019-11-20 01:15:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:15:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:15:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 01:15:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 01:15:04,908 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:15:04,908 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 01:15:04,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:15:04 BoogieIcfgContainer [2019-11-20 01:15:04,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:15:04,910 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:15:04,910 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:15:04,925 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:15:04,925 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:15:04" (1/1) ... [2019-11-20 01:15:04,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:15:04,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2019-11-20 01:15:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2019-11-20 01:15:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 01:15:05,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,127 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 01:15:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 80 states and 99 transitions. [2019-11-20 01:15:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2019-11-20 01:15:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 01:15:05,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,218 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 01:15:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 86 states and 110 transitions. [2019-11-20 01:15:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2019-11-20 01:15:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 01:15:05,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,362 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 01:15:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 85 states and 109 transitions. [2019-11-20 01:15:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2019-11-20 01:15:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 01:15:05,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,409 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 01:15:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 89 states and 116 transitions. [2019-11-20 01:15:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2019-11-20 01:15:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 01:15:05,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,470 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 01:15:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 88 states and 115 transitions. [2019-11-20 01:15:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2019-11-20 01:15:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:15:05,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,573 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 01:15:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 96 states and 128 transitions. [2019-11-20 01:15:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 128 transitions. [2019-11-20 01:15:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:15:05,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,800 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 01:15:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 99 states and 132 transitions. [2019-11-20 01:15:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 132 transitions. [2019-11-20 01:15:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:15:05,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:05,967 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 01:15:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 101 states and 136 transitions. [2019-11-20 01:15:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2019-11-20 01:15:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:15:06,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:06,479 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 01:15:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 146 transitions. [2019-11-20 01:15:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2019-11-20 01:15:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 01:15:06,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:06,797 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 01:15:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 153 transitions. [2019-11-20 01:15:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 153 transitions. [2019-11-20 01:15:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:15:06,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:06,966 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 01:15:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 119 states and 166 transitions. [2019-11-20 01:15:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2019-11-20 01:15:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:15:07,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:15:07,336 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 01:15:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:15:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 122 states and 170 transitions. [2019-11-20 01:15:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2019-11-20 01:15:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:15:07,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:15:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:15:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:15:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:15:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:15:07,444 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2019-11-20 01:15:07,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:15:07 ImpRootNode [2019-11-20 01:15:07,495 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:15:07,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:15:07,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:15:07,500 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:15:07,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:15:04" (3/4) ... [2019-11-20 01:15:07,505 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:15:07,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:15:07,508 INFO L168 Benchmark]: Toolchain (without parser) took 3999.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -129.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:15:07,524 INFO L168 Benchmark]: CDTParser took 0.20 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 01:15:07,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:15:07,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.33 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 01:15:07,526 INFO L168 Benchmark]: Boogie Preprocessor took 64.79 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 01:15:07,526 INFO L168 Benchmark]: RCFGBuilder took 886.94 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:15:07,527 INFO L168 Benchmark]: CodeCheck took 2584.91 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: -11.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:15:07,527 INFO L168 Benchmark]: Witness Printer took 10.70 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 01:15:07,530 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, 80 locations, 20 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 63248 SDtfs, 23812 SDslu, 24992 SDs, 0 SdLazy, 48594 SolverSat, 14766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1183 GetRequests, 1106 SyntacticMatches, 23 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s 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: 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_add ; [L224] unsigned int zero ; [L225] int sa ; [L226] int sb ; [L227] int tmp ; [L228] int tmp___0 ; [L229] int tmp___1 ; [L230] int tmp___2 ; [L231] int tmp___3 ; [L232] int tmp___4 ; [L233] int tmp___5 ; [L234] int tmp___6 ; [L235] int tmp___7 ; [L236] int tmp___8 ; [L237] int tmp___9 ; [L238] int __retres23 ; [L242] 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); [L242] RET, EXPR base2flt(0, 0) [L242] zero = base2flt(0, 0) [L243] 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 0.20 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 381.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.79 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 886.94 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2584.91 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: -11.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 10.70 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...