./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB --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 bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:59:46,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:46,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:46,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:46,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:46,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:46,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:46,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:46,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:46,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:46,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:46,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:46,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:46,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:46,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:46,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:46,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:46,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:46,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:46,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:46,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:46,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:46,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:46,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:46,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:46,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:46,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:46,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:46,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:46,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:46,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:46,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:46,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:46,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:46,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:46,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:46,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:46,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:46,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:46,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:46,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:46,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:59:46,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:46,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:46,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:46,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:46,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:46,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:46,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:46,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:46,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:59:46,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:46,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:46,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:46,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:46,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:46,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:46,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:59:46,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:46,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:46,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:46,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:46,895 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:46,895 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:46,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:46,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:46,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:46,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:46,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:46,897 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:46,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:46,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:46,899 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_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2022-10-17 16:59:47,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:47,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:47,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:47,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:47,215 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:47,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2022-10-17 16:59:47,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/data/af1bb18c2/997ff582cc4f48beafa66aeab2b11b18/FLAG2c630c6dd [2022-10-17 16:59:47,868 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:47,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2022-10-17 16:59:47,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/data/af1bb18c2/997ff582cc4f48beafa66aeab2b11b18/FLAG2c630c6dd [2022-10-17 16:59:48,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/data/af1bb18c2/997ff582cc4f48beafa66aeab2b11b18 [2022-10-17 16:59:48,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:48,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:48,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:48,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:48,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:48,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2914ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48, skipping insertion in model container [2022-10-17 16:59:48,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:48,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:48,469 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_772031e4-576a-4264-b1c2-1ae390df0cc7/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c[729,742] [2022-10-17 16:59:48,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:48,542 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:48,555 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_772031e4-576a-4264-b1c2-1ae390df0cc7/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c[729,742] [2022-10-17 16:59:48,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:48,634 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:48,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48 WrapperNode [2022-10-17 16:59:48,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:48,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:48,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:48,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:48,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,698 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-10-17 16:59:48,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:48,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:48,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:48,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:48,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:48,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:48,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:48,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:48,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:48" (1/1) ... [2022-10-17 16:59:48,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:48,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:48,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:48,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-10-17 16:59:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-10-17 16:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2022-10-17 16:59:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2022-10-17 16:59:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:59:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:59:48,938 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:48,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:49,609 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:49,955 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:49,955 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:59:49,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:49 BoogieIcfgContainer [2022-10-17 16:59:49,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:49,960 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:49,960 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:49,971 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:49,971 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:49" (1/1) ... [2022-10-17 16:59:49,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2022-10-17 16:59:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2022-10-17 16:59:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:50,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2022-10-17 16:59:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2022-10-17 16:59:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:50,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:50,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 102 states and 122 transitions. [2022-10-17 16:59:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2022-10-17 16:59:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:50,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:50,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 106 states and 128 transitions. [2022-10-17 16:59:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2022-10-17 16:59:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:50,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 108 states and 131 transitions. [2022-10-17 16:59:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2022-10-17 16:59:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:50,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 132 transitions. [2022-10-17 16:59:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2022-10-17 16:59:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:50,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:50,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 110 states and 133 transitions. [2022-10-17 16:59:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2022-10-17 16:59:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:51,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:51,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 111 states and 134 transitions. [2022-10-17 16:59:51,093 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2022-10-17 16:59:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:51,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2022-10-17 16:59:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2022-10-17 16:59:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:51,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:51,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 119 states and 148 transitions. [2022-10-17 16:59:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2022-10-17 16:59:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:51,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 147 transitions. [2022-10-17 16:59:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2022-10-17 16:59:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:51,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:51,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 122 states and 154 transitions. [2022-10-17 16:59:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 154 transitions. [2022-10-17 16:59:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:51,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:51,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:59:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 121 states and 153 transitions. [2022-10-17 16:59:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2022-10-17 16:59:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:59:52,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 129 states and 166 transitions. [2022-10-17 16:59:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 166 transitions. [2022-10-17 16:59:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:59:52,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 132 states and 170 transitions. [2022-10-17 16:59:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2022-10-17 16:59:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:59:52,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:52,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:52,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:59:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:52,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:59:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:59:52,816 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2022-10-17 16:59:52,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:59:52 ImpRootNode [2022-10-17 16:59:52,853 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:59:52,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:59:52,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:59:52,854 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:59:52,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:49" (3/4) ... [2022-10-17 16:59:52,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 16:59:52,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:59:52,860 INFO L158 Benchmark]: Toolchain (without parser) took 4611.63ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 54.9MB in the beginning and 60.7MB in the end (delta: -5.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-10-17 16:59:52,860 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:52,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.26ms. Allocated memory is still 81.8MB. Free memory was 54.7MB in the beginning and 52.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:52,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.95ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 50.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:52,863 INFO L158 Benchmark]: Boogie Preprocessor took 74.37ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 49.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:52,864 INFO L158 Benchmark]: RCFGBuilder took 1182.69ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 40.5MB in the end (delta: 8.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-10-17 16:59:52,865 INFO L158 Benchmark]: CodeCheck took 2893.23ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 60.7MB in the end (delta: -20.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:52,865 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 121.6MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:52,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 96 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 932 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 480 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1039 IncrementalHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 494 mSDtfsCounter, 1039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1418 GetRequests, 1366 SyntacticMatches, 0 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, 0.9s 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 bitwiseComplement 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_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=0, eb=127] [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=5, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=0, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=5, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=127, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=4, res = m | (unsigned int )((e + 128) << 24U)=5] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=5] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=5] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=4, \old(m)=16777216, \old(res = m | (unsigned int )((e + 128) << 24U))=5, e=0, m=16777216, m = m & ~ (1U << 24U)=16777217, res = m | (unsigned int )((e + 128) << 24U)=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.26ms. Allocated memory is still 81.8MB. Free memory was 54.7MB in the beginning and 52.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.95ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 50.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.37ms. Allocated memory is still 81.8MB. Free memory was 50.9MB in the beginning and 49.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1182.69ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 40.5MB in the end (delta: 8.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * CodeCheck took 2893.23ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 60.7MB in the end (delta: -20.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 121.6MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-17 16:59:52,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/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_772031e4-576a-4264-b1c2-1ae390df0cc7/bin/ukojak-92XMlrwhuB/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