./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/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_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY --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 1849bc810ee5b8b8988c92fc47967ed0208ce50f ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:13:52,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:13:52,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:13:52,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:13:52,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:13:52,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:13:52,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:13:52,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:13:52,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:13:52,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:13:52,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:13:52,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:13:52,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:13:52,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:13:52,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:13:52,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:13:52,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:13:52,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:13:52,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:13:52,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:13:52,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:13:52,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:13:52,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:13:52,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:13:52,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:13:52,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:13:52,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:13:52,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:13:52,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:13:52,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:13:52,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:13:52,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:13:52,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:13:52,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:13:52,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:13:52,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:13:52,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:13:52,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:13:52,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:13:52,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:13:53,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:13:53,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 04:13:53,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:13:53,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:13:53,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:13:53,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:13:53,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:13:53,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:13:53,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:13:53,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:13:53,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:13:53,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:13:53,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:13:53,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:13:53,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:13:53,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:13:53,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:13:53,078 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:13:53,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:13:53,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:13:53,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:13:53,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:13:53,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:13:53,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:13:53,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:13:53,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:13:53,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:13:53,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:13:53,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:13:53,082 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:13:53,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:13:53,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:13:53,083 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_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1849bc810ee5b8b8988c92fc47967ed0208ce50f [2021-10-13 04:13:53,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:13:53,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:13:53,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:13:53,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:13:53,449 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:13:53,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2021-10-13 04:13:53,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/data/d64ec3f23/17f336b6f4d5459085a5af8c54ec998c/FLAGc236c3127 [2021-10-13 04:13:54,184 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:13:54,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2021-10-13 04:13:54,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/data/d64ec3f23/17f336b6f4d5459085a5af8c54ec998c/FLAGc236c3127 [2021-10-13 04:13:54,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/data/d64ec3f23/17f336b6f4d5459085a5af8c54ec998c [2021-10-13 04:13:54,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:13:54,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:13:54,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:13:54,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:13:54,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:13:54,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:54" (1/1) ... [2021-10-13 04:13:54,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1614f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:54, skipping insertion in model container [2021-10-13 04:13:54,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:54" (1/1) ... [2021-10-13 04:13:54,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:13:54,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:13:54,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c[424,437] [2021-10-13 04:13:54,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:13:54,964 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:13:54,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c[424,437] [2021-10-13 04:13:55,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:13:55,043 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:13:55,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55 WrapperNode [2021-10-13 04:13:55,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:13:55,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:13:55,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:13:55,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:13:55,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:13:55,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:13:55,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:13:55,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:13:55,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:13:55,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:13:55,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:13:55,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:13:55,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:55" (1/1) ... [2021-10-13 04:13:55,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:13:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:13:55,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:13:55,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:13:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:13:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:13:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-10-13 04:13:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-10-13 04:13:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:13:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:13:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-13 04:13:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-13 04:13:56,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:13:56,378 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 04:13:56,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:56 BoogieIcfgContainer [2021-10-13 04:13:56,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:13:56,383 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:13:56,383 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:13:56,398 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:13:56,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:56" (1/1) ... [2021-10-13 04:13:56,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:13:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2021-10-13 04:13:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2021-10-13 04:13:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:13:56,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:56,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 82 states and 102 transitions. [2021-10-13 04:13:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2021-10-13 04:13:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:13:56,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:56,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:56,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 88 states and 113 transitions. [2021-10-13 04:13:56,966 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-10-13 04:13:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:13:56,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:56,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2021-10-13 04:13:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-10-13 04:13:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:13:57,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:57,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2021-10-13 04:13:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-10-13 04:13:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:13:57,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:57,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2021-10-13 04:13:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2021-10-13 04:13:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:13:57,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:57,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2021-10-13 04:13:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2021-10-13 04:13:57,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:13:57,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:57,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2021-10-13 04:13:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2021-10-13 04:13:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:13:57,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:57,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 99 states and 129 transitions. [2021-10-13 04:13:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 129 transitions. [2021-10-13 04:13:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 04:13:57,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:57,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 105 states and 139 transitions. [2021-10-13 04:13:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-10-13 04:13:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 04:13:58,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:58,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 138 transitions. [2021-10-13 04:13:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2021-10-13 04:13:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 04:13:58,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:58,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 108 states and 145 transitions. [2021-10-13 04:13:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2021-10-13 04:13:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 04:13:58,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:58,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 144 transitions. [2021-10-13 04:13:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2021-10-13 04:13:58,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 04:13:58,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:58,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 115 states and 157 transitions. [2021-10-13 04:13:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2021-10-13 04:13:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 04:13:59,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:59,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 161 transitions. [2021-10-13 04:13:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2021-10-13 04:13:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:13:59,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:59,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:59,347 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:13:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:59,408 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:13:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:59,444 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-10-13 04:13:59,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:13:59 ImpRootNode [2021-10-13 04:13:59,489 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:13:59,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:13:59,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:13:59,490 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:13:59,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:56" (3/4) ... [2021-10-13 04:13:59,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 04:13:59,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:13:59,497 INFO L168 Benchmark]: Toolchain (without parser) took 4947.49 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.3 MB in the beginning and 60.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:59,499 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:13:59,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.20 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 68.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:59,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.54 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 66.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:59,502 INFO L168 Benchmark]: Boogie Preprocessor took 81.09 ms. Allocated memory is still 94.4 MB. Free memory was 66.1 MB in the beginning and 64.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:13:59,503 INFO L168 Benchmark]: RCFGBuilder took 1154.00 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 64.5 MB in the beginning and 87.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:59,504 INFO L168 Benchmark]: CodeCheck took 3105.83 ms. Allocated memory is still 113.2 MB. Free memory was 87.1 MB in the beginning and 60.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:59,505 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 113.2 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:13:59,510 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: 3019.6ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 250896 SDtfs, 111078 SDslu, 103956 SDs, 0 SdLazy, 199952 SolverSat, 54894 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1425.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1351 SyntacticMatches, 14 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1235.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 57.6ms SsaConstructionTime, 283.3ms SatisfiabilityAnalysisTime, 829.8ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 68. Possible FailurePath: [L218] unsigned int a ; [L219] unsigned int ma = __VERIFIER_nondet_uint(); [L220] signed char ea = __VERIFIER_nondet_char(); [L221] unsigned int b ; [L222] unsigned int mb = __VERIFIER_nondet_uint(); [L223] signed char eb = __VERIFIER_nondet_char(); [L224] unsigned int r_add ; [L225] unsigned int zero ; [L226] int sa ; [L227] int sb ; [L228] int tmp ; [L229] int tmp___0 ; [L230] int tmp___1 ; [L231] int tmp___2 ; [L232] int tmp___3 ; [L233] int tmp___4 ; [L234] int tmp___5 ; [L235] int tmp___6 ; [L236] int tmp___7 ; [L237] int tmp___8 ; [L238] int tmp___9 ; [L239] int __retres23 ; [L243] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L17] unsigned int res ; [L18] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L21] COND TRUE ! m [L22] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L72] return (__retres4); [L243] RET, EXPR base2flt(0, 0) [L243] zero = base2flt(0, 0) [L244] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L17] unsigned int res ; [L18] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L21] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L27] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L49] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L51] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L68] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0] [L69] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0] [L69] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.20 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 68.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.54 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 66.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.09 ms. Allocated memory is still 94.4 MB. Free memory was 66.1 MB in the beginning and 64.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1154.00 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 64.5 MB in the beginning and 87.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * CodeCheck took 3105.83 ms. Allocated memory is still 113.2 MB. Free memory was 87.1 MB in the beginning and 60.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.59 ms. Allocated memory is still 113.2 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 04:13:59,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbcb746-860a-4b68-bad4-f89d77dfbfc1/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...