./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI --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 5cfb1d4157e070932debf62f3a6f416e3767fe2bcf90443913328d49e832aadf ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/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 0.2.1-dev-b2eff8b [2021-10-29 03:31:34,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:31:34,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:31:34,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:31:34,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:31:34,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:31:34,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:31:34,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:31:34,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:31:34,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:31:34,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:31:34,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:31:34,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:31:34,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:31:34,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:31:34,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:31:34,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:31:34,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:31:34,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:31:34,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:31:34,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:31:34,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:31:34,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:31:34,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:31:34,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:31:34,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:31:34,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:31:34,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:31:34,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:31:34,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:31:34,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:31:34,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:31:34,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:31:34,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:31:34,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:31:34,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:31:34,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:31:34,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:31:34,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:31:34,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:31:34,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:31:34,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-29 03:31:34,506 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:31:34,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:31:34,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:31:34,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:31:34,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:31:34,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:31:34,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:31:34,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:31:34,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:31:34,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:31:34,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:31:34,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:31:34,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:31:34,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:31:34,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:31:34,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:31:34,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:31:34,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:31:34,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:31:34,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:31:34,513 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:31:34,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:31:34,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:31:34,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:31:34,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:31:34,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:31:34,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:31:34,515 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:31:34,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:31:34,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:31:34,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cfb1d4157e070932debf62f3a6f416e3767fe2bcf90443913328d49e832aadf [2021-10-29 03:31:34,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:31:34,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:31:34,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:31:34,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:31:34,815 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:31:34,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2021-10-29 03:31:34,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/data/6fedda2f6/24f51d33c2374a4690a1ab2ee6ffb082/FLAG950f58607 [2021-10-29 03:31:35,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:31:35,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2021-10-29 03:31:35,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/data/6fedda2f6/24f51d33c2374a4690a1ab2ee6ffb082/FLAG950f58607 [2021-10-29 03:31:35,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/data/6fedda2f6/24f51d33c2374a4690a1ab2ee6ffb082 [2021-10-29 03:31:35,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:31:35,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:31:35,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:31:35,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:31:35,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:31:35,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:31:35" (1/1) ... [2021-10-29 03:31:35,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1868ece9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:35, skipping insertion in model container [2021-10-29 03:31:35,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:31:35" (1/1) ... [2021-10-29 03:31:35,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:31:35,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:31:36,029 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c[511,524] [2021-10-29 03:31:36,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:31:36,112 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:31:36,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c[511,524] [2021-10-29 03:31:36,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:31:36,166 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:31:36,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36 WrapperNode [2021-10-29 03:31:36,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:31:36,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:31:36,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:31:36,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:31:36,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:31:36,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:31:36,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:31:36,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:31:36,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:31:36,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:31:36,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:31:36,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:31:36,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:31:36,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:31:36,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:31:36,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:31:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:31:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:31:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-10-29 03:31:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-10-29 03:31:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:31:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:31:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2021-10-29 03:31:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2021-10-29 03:31:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:31:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:31:36,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:31:36,973 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 03:31:36,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:36 BoogieIcfgContainer [2021-10-29 03:31:36,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:31:36,977 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:31:36,977 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:31:36,987 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:31:36,988 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:36" (1/1) ... [2021-10-29 03:31:36,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:31:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2021-10-29 03:31:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2021-10-29 03:31:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:31:37,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2021-10-29 03:31:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2021-10-29 03:31:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:31:37,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2021-10-29 03:31:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2021-10-29 03:31:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:31:37,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2021-10-29 03:31:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2021-10-29 03:31:37,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:31:37,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2021-10-29 03:31:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-10-29 03:31:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:31:37,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 91 states and 113 transitions. [2021-10-29 03:31:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2021-10-29 03:31:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:31:37,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2021-10-29 03:31:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2021-10-29 03:31:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:31:37,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2021-10-29 03:31:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2021-10-29 03:31:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:31:37,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2021-10-29 03:31:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2021-10-29 03:31:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:31:37,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 129 transitions. [2021-10-29 03:31:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2021-10-29 03:31:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:31:38,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:38,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:31:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 128 transitions. [2021-10-29 03:31:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2021-10-29 03:31:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:31:38,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:38,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 135 transitions. [2021-10-29 03:31:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2021-10-29 03:31:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:31:38,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:38,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:31:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 134 transitions. [2021-10-29 03:31:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2021-10-29 03:31:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:31:38,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:38,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 111 states and 147 transitions. [2021-10-29 03:31:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2021-10-29 03:31:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:31:39,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:39,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 151 transitions. [2021-10-29 03:31:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2021-10-29 03:31:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:31:39,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:39,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:31:39,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:31:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:31:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:31:39,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:31:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:31:39,295 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-10-29 03:31:39,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:31:39 ImpRootNode [2021-10-29 03:31:39,346 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:31:39,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:31:39,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:31:39,347 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:31:39,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:36" (3/4) ... [2021-10-29 03:31:39,350 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 03:31:39,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:31:39,352 INFO L168 Benchmark]: Toolchain (without parser) took 3564.35 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 70.2 MB in the beginning and 82.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:39,353 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:31:39,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.90 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 70.2 MB in the beginning and 101.4 MB in the end (delta: -31.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:39,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.76 ms. Allocated memory is still 130.0 MB. Free memory was 101.4 MB in the beginning and 99.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:39,368 INFO L168 Benchmark]: Boogie Preprocessor took 63.99 ms. Allocated memory is still 130.0 MB. Free memory was 99.5 MB in the beginning and 98.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:31:39,369 INFO L168 Benchmark]: RCFGBuilder took 667.65 ms. Allocated memory is still 130.0 MB. Free memory was 98.1 MB in the beginning and 79.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:39,369 INFO L168 Benchmark]: CodeCheck took 2369.33 ms. Allocated memory is still 130.0 MB. Free memory was 79.2 MB in the beginning and 82.0 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:31:39,370 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 130.0 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:31:39,374 INFO L339 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. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 250896 SDtfs, 111078 SDslu, 103956 SDs, 0 SdLazy, 199952 SolverSat, 54894 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1351 SyntacticMatches, 14 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 12/12 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: 73]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L222] unsigned int a ; [L223] unsigned int ma = __VERIFIER_nondet_uint(); [L224] signed char ea = __VERIFIER_nondet_char(); [L225] unsigned int b ; [L226] unsigned int mb = __VERIFIER_nondet_uint(); [L227] signed char eb = __VERIFIER_nondet_char(); [L228] unsigned int r_add1 ; [L229] unsigned int r_add2 ; [L230] unsigned int zero ; [L231] int tmp ; [L232] int tmp___0 ; [L233] int __retres14 ; [L237] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L25] COND TRUE ! m [L26] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L76] return (__retres4); [L237] RET, EXPR base2flt(0, 0) [L237] zero = base2flt(0, 0) [L238] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L25] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L31] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L53] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L55] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L72] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0] [L73] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0] [L73] (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 102.8 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.90 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 70.2 MB in the beginning and 101.4 MB in the end (delta: -31.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.76 ms. Allocated memory is still 130.0 MB. Free memory was 101.4 MB in the beginning and 99.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.99 ms. Allocated memory is still 130.0 MB. Free memory was 99.5 MB in the beginning and 98.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 667.65 ms. Allocated memory is still 130.0 MB. Free memory was 98.1 MB in the beginning and 79.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 2369.33 ms. Allocated memory is still 130.0 MB. Free memory was 79.2 MB in the beginning and 82.0 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.64 ms. Allocated memory is still 130.0 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 03:31:39,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b819f7c5-639c-4812-8f8b-d0466179fe39/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...