./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/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_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN --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 0.2.1-dev-53f42b1 [2021-11-21 05:09:07,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:09:07,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:09:08,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:09:08,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:09:08,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:09:08,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:09:08,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:09:08,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:09:08,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:09:08,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:09:08,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:09:08,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:09:08,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:09:08,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:09:08,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:09:08,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:09:08,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:09:08,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:09:08,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:09:08,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:09:08,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:09:08,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:09:08,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:09:08,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:09:08,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:09:08,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:09:08,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:09:08,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:09:08,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:09:08,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:09:08,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:09:08,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:09:08,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:09:08,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:09:08,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:09:08,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:09:08,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:09:08,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:09:08,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:09:08,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:09:08,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:09:08,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:09:08,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:09:08,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:09:08,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:09:08,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:09:08,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:09:08,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:09:08,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:09:08,153 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:09:08,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:09:08,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:09:08,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:09:08,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:09:08,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:09:08,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:09:08,156 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:09:08,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:09:08,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:09:08,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:09:08,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:09:08,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:09:08,158 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:09:08,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:09:08,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:09:08,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:09:08,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:09:08,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:09:08,159 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:09:08,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:09:08,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:09:08,162 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_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2021-11-21 05:09:08,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:09:08,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:09:08,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:09:08,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:09:08,499 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:09:08,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2021-11-21 05:09:08,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/data/b9d67509f/e605ac44f0244779a9d5378e5585d13c/FLAG95c347794 [2021-11-21 05:09:09,230 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:09:09,231 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2021-11-21 05:09:09,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/data/b9d67509f/e605ac44f0244779a9d5378e5585d13c/FLAG95c347794 [2021-11-21 05:09:09,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/data/b9d67509f/e605ac44f0244779a9d5378e5585d13c [2021-11-21 05:09:09,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:09:09,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:09:09,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:09:09,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:09:09,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:09:09,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e34b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09, skipping insertion in model container [2021-11-21 05:09:09,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:09:09,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:09:09,739 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_3160ded2-5d89-4008-952b-d46946905c2c/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c[729,742] [2021-11-21 05:09:09,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:09:09,813 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:09:09,825 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_3160ded2-5d89-4008-952b-d46946905c2c/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c[729,742] [2021-11-21 05:09:09,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:09:09,884 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:09:09,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09 WrapperNode [2021-11-21 05:09:09,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:09:09,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:09:09,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:09:09,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:09:09,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,947 INFO L137 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 159 [2021-11-21 05:09:09,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:09:09,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:09:09,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:09:09,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:09:09,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:09:09,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:09:09,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:09:09,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:09:09,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:09" (1/1) ... [2021-11-21 05:09:09,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:09:10,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:09:10,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:09:10,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:09:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-21 05:09:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-21 05:09:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:09:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:09:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:09:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:09:10,193 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:09:10,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:09:10,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:09:10,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:09:10,769 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:09:10,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:09:10 BoogieIcfgContainer [2021-11-21 05:09:10,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:09:10,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:09:10,773 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:09:10,795 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:09:10,796 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:09:10" (1/1) ... [2021-11-21 05:09:10,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:09:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2021-11-21 05:09:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2021-11-21 05:09:10,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:09:10,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:10,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2021-11-21 05:09:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2021-11-21 05:09:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:09:11,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 88 states and 113 transitions. [2021-11-21 05:09:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-11-21 05:09:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:09:11,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2021-11-21 05:09:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-11-21 05:09:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:09:11,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2021-11-21 05:09:11,412 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-11-21 05:09:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:09:11,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2021-11-21 05:09:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2021-11-21 05:09:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:09:11,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2021-11-21 05:09:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2021-11-21 05:09:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:09:11,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2021-11-21 05:09:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2021-11-21 05:09:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:09:11,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 99 states and 129 transitions. [2021-11-21 05:09:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2021-11-21 05:09:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:09:11,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:11,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 139 transitions. [2021-11-21 05:09:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-11-21 05:09:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:09:12,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:12,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:09:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 138 transitions. [2021-11-21 05:09:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2021-11-21 05:09:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:09:12,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:12,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:12,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 108 states and 145 transitions. [2021-11-21 05:09:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2021-11-21 05:09:12,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:09:12,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:12,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:09:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:12,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 144 transitions. [2021-11-21 05:09:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2021-11-21 05:09:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:09:12,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:12,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 157 transitions. [2021-11-21 05:09:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2021-11-21 05:09:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:09:13,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:13,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:09:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:09:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:09:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 161 transitions. [2021-11-21 05:09:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2021-11-21 05:09:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:09:13,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:09:13,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:09:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:09:13,254 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:09:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:09:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:09:13,300 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:09:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:09:13,327 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-21 05:09:13,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:09:13 ImpRootNode [2021-11-21 05:09:13,360 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:09:13,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:09:13,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:09:13,361 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:09:13,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:09:10" (3/4) ... [2021-11-21 05:09:13,365 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 05:09:13,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:09:13,367 INFO L158 Benchmark]: Toolchain (without parser) took 3835.57ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 63.8MB in the beginning and 71.6MB in the end (delta: -7.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:09:13,367 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:09:13,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.46ms. Allocated memory is still 86.0MB. Free memory was 63.6MB in the beginning and 58.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:09:13,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.78ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:09:13,370 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 86.0MB. Free memory was 56.0MB in the beginning and 54.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:09:13,371 INFO L158 Benchmark]: RCFGBuilder took 789.59ms. Allocated memory is still 86.0MB. Free memory was 54.7MB in the beginning and 31.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-21 05:09:13,372 INFO L158 Benchmark]: CodeCheck took 2587.63ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 71.9MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:09:13,372 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 71.6MB in the end (delta: 360.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:09:13,377 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: 2.5s, 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, 2.1s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1351 SyntacticMatches, 14 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s 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 0.32ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.46ms. Allocated memory is still 86.0MB. Free memory was 63.6MB in the beginning and 58.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.78ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 86.0MB. Free memory was 56.0MB in the beginning and 54.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 789.59ms. Allocated memory is still 86.0MB. Free memory was 54.7MB in the beginning and 31.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 2587.63ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 71.9MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 71.6MB in the end (delta: 360.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-21 05:09:13,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/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_3160ded2-5d89-4008-952b-d46946905c2c/bin/ukojak-vF6T2TMglN/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