./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL --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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:46:19,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:46:19,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:46:19,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:46:19,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:46:19,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:46:19,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:46:19,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:46:19,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:46:19,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:46:19,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:46:19,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:46:19,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:46:19,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:46:19,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:46:19,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:46:19,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:46:19,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:46:19,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:46:19,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:46:19,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:46:19,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:46:19,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:46:19,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:46:19,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:46:19,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:46:19,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:46:19,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:46:19,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:46:19,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:46:19,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:46:19,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:46:19,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:46:19,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:46:19,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:46:19,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:46:19,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:46:19,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:46:19,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:46:19,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:46:19,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:46:19,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:46:19,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:46:19,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:46:19,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:46:19,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:46:19,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:46:19,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:46:19,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:46:19,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:46:19,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:46:19,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:46:19,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:46:19,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:46:19,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:46:19,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:46:19,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:46:19,312 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:46:19,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:46:19,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:46:19,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:46:19,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:46:19,313 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:46:19,313 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:46:19,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:46:19,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:46:19,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:46:19,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:46:19,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:46:19,314 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:46:19,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:46:19,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:46:19,316 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_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2021-11-25 06:46:19,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:46:19,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:46:19,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:46:19,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:46:19,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:46:19,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2021-11-25 06:46:19,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/data/e67423f1b/25d08895e45a48deb97ddeac22c9cfcd/FLAG3223519d4 [2021-11-25 06:46:20,210 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:46:20,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2021-11-25 06:46:20,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/data/e67423f1b/25d08895e45a48deb97ddeac22c9cfcd/FLAG3223519d4 [2021-11-25 06:46:20,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/data/e67423f1b/25d08895e45a48deb97ddeac22c9cfcd [2021-11-25 06:46:20,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:46:20,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:46:20,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:46:20,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:46:20,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:46:20,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:20,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b43162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20, skipping insertion in model container [2021-11-25 06:46:20,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:20,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:46:20,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:46:20,812 WARN L230 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_86d14840-edfb-4dce-b718-2ce228bb7ee5/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c[729,742] [2021-11-25 06:46:20,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:46:20,872 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:46:20,884 WARN L230 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_86d14840-edfb-4dce-b718-2ce228bb7ee5/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c[729,742] [2021-11-25 06:46:20,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:46:20,952 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:46:20,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20 WrapperNode [2021-11-25 06:46:20,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:46:20,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:46:20,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:46:20,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:46:20,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:20,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,025 INFO L137 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 159 [2021-11-25 06:46:21,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:46:21,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:46:21,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:46:21,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:46:21,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:46:21,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:46:21,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:46:21,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:46:21,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:20" (1/1) ... [2021-11-25 06:46:21,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:46:21,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:46:21,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:46:21,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:46:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:46:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:46:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-25 06:46:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-25 06:46:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:46:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:46:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:46:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:46:21,236 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:46:21,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:46:21,554 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:46:21,741 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:46:21,741 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:46:21,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:21 BoogieIcfgContainer [2021-11-25 06:46:21,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:46:21,745 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:46:21,745 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:46:21,755 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:46:21,758 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:21" (1/1) ... [2021-11-25 06:46:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:46:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2021-11-25 06:46:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2021-11-25 06:46:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:46:21,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:21,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2021-11-25 06:46:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2021-11-25 06:46:22,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:46:22,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 88 states and 113 transitions. [2021-11-25 06:46:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-11-25 06:46:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:46:22,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2021-11-25 06:46:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-11-25 06:46:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:46:22,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2021-11-25 06:46:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-11-25 06:46:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:46:22,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2021-11-25 06:46:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2021-11-25 06:46:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:46:22,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2021-11-25 06:46:22,537 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2021-11-25 06:46:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:46:22,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2021-11-25 06:46:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2021-11-25 06:46:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:46:22,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 99 states and 129 transitions. [2021-11-25 06:46:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2021-11-25 06:46:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:46:22,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:22,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 139 transitions. [2021-11-25 06:46:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-11-25 06:46:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:46:23,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:23,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 138 transitions. [2021-11-25 06:46:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2021-11-25 06:46:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:46:23,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:23,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 108 states and 145 transitions. [2021-11-25 06:46:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2021-11-25 06:46:23,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:46:23,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:23,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:46:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 144 transitions. [2021-11-25 06:46:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2021-11-25 06:46:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:46:23,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:23,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:23,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 157 transitions. [2021-11-25 06:46:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2021-11-25 06:46:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:46:23,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:23,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 161 transitions. [2021-11-25 06:46:23,997 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2021-11-25 06:46:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:46:23,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:23,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:46:24,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 06:46:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:46:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:46:24,045 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 06:46:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:46:24,090 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-25 06:46:24,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:46:24 ImpRootNode [2021-11-25 06:46:24,143 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:46:24,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:46:24,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:46:24,144 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:46:24,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:21" (3/4) ... [2021-11-25 06:46:24,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 06:46:24,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:46:24,159 INFO L158 Benchmark]: Toolchain (without parser) took 3566.18ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 58.5MB in the beginning and 98.7MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:46:24,160 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:46:24,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.61ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 68.9MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:46:24,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.94ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:46:24,162 INFO L158 Benchmark]: Boogie Preprocessor took 62.01ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:46:24,162 INFO L158 Benchmark]: RCFGBuilder took 650.73ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 42.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-25 06:46:24,163 INFO L158 Benchmark]: CodeCheck took 2397.92ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 42.2MB in the beginning and 98.7MB in the end (delta: -56.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:46:24,164 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:46:24,168 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 3 procedures, 82 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, 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: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 1016 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 480 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 955 IncrementalHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 536 mSDtfsCounter, 955 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; VAL [ea=127, eb=127] [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L251] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=127, eb=127] [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=33554431] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L29] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L57] COND TRUE 1 VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=127, \old(m)=33554431, e=127] [L77] EXPR e + 128 VAL [\old(e)=127, \old(m)=33554431, e=127] [L77] (e + 128) << 24U VAL [\old(e)=127, \old(m)=33554431, e=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.61ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 68.9MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.94ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.01ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.73ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 42.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 2397.92ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 42.2MB in the beginning and 98.7MB in the end (delta: -56.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 06:46:24,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d14840-edfb-4dce-b718-2ce228bb7ee5/bin/ukojak-d1pc8ZmBRL/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