./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ --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 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:31,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:31,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:31,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:31,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:31,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:31,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:31,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:31,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:31,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:31,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:31,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:31,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:31,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:31,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:31,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:31,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:31,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:31,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:31,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:31,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:31,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:31,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:31,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:31,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:31,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:31,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:31,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:31,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:31,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:31,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:31,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:31,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:31,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:31,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:31,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:31,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:31,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:31,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:31,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:31,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:31,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-22 23:17:31,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:31,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:31,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:31,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:31,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:31,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:31,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:31,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:31,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:17:31,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:31,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:31,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:31,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:31,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:31,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:31,991 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:17:31,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:31,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:31,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:31,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:31,992 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:31,992 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:31,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:31,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:31,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:31,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:31,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:31,994 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:32,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:32,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:32,015 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_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53bf165bfbef55aa8ab289084a5d3d80b8d81c13dbafd349815c35b63fd8829c [2021-11-22 23:17:32,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:32,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:32,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:32,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:32,303 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:32,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/modulus-1.i [2021-11-22 23:17:32,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/data/36ac35470/f97283a63e3c4995b04d4f611bf26059/FLAG065c8c82e [2021-11-22 23:17:32,963 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:32,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/sv-benchmarks/c/bitvector/modulus-1.i [2021-11-22 23:17:32,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/data/36ac35470/f97283a63e3c4995b04d4f611bf26059/FLAG065c8c82e [2021-11-22 23:17:33,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/data/36ac35470/f97283a63e3c4995b04d4f611bf26059 [2021-11-22 23:17:33,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:33,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:33,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:33,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:33,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:33,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392ea65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33, skipping insertion in model container [2021-11-22 23:17:33,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:33,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:33,513 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_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/sv-benchmarks/c/bitvector/modulus-1.i[1252,1265] [2021-11-22 23:17:33,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:33,540 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:33,557 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_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/sv-benchmarks/c/bitvector/modulus-1.i[1252,1265] [2021-11-22 23:17:33,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:33,579 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:33,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33 WrapperNode [2021-11-22 23:17:33,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:33,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:33,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:33,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:33,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,629 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2021-11-22 23:17:33,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:33,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:33,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:33,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:33,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:33,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:33,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:33,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:33,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:33,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:33,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:33,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:33,835 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:33,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:34,036 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:34,102 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:34,103 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:17:34,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:34 BoogieIcfgContainer [2021-11-22 23:17:34,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:34,132 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:34,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:34,146 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:34,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:34" (1/1) ... [2021-11-22 23:17:34,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-22 23:17:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-22 23:17:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:17:34,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:17:34,373 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:17:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:17:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:17:34,494 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:17:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:17:34,536 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-22 23:17:34,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:17:34 ImpRootNode [2021-11-22 23:17:34,559 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:17:34,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:17:34,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:17:34,561 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:17:34,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:34" (3/4) ... [2021-11-22 23:17:34,566 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 23:17:34,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:17:34,567 INFO L158 Benchmark]: Toolchain (without parser) took 1274.28ms. Allocated memory was 107.0MB in the beginning and 151.0MB in the end (delta: 44.0MB). Free memory was 76.4MB in the beginning and 115.0MB in the end (delta: -38.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-22 23:17:34,568 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 77.8MB in the beginning and 77.7MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:34,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.57ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 66.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:17:34,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.27ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:17:34,571 INFO L158 Benchmark]: Boogie Preprocessor took 29.26ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 63.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:34,571 INFO L158 Benchmark]: RCFGBuilder took 445.05ms. Allocated memory was 107.0MB in the beginning and 151.0MB in the end (delta: 44.0MB). Free memory was 63.6MB in the beginning and 125.2MB in the end (delta: -61.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-22 23:17:34,572 INFO L158 Benchmark]: CodeCheck took 427.33ms. Allocated memory is still 151.0MB. Free memory was 126.1MB in the beginning and 115.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:17:34,572 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 151.0MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:34,578 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 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 32) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(s < 32) [L51] 1 << s VAL [s=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 77.8MB in the beginning and 77.7MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.57ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 66.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.27ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.26ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 63.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.05ms. Allocated memory was 107.0MB in the beginning and 151.0MB in the end (delta: 44.0MB). Free memory was 63.6MB in the beginning and 125.2MB in the end (delta: -61.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * CodeCheck took 427.33ms. Allocated memory is still 151.0MB. Free memory was 126.1MB in the beginning and 115.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 151.0MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-22 23:17:34,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/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_57dc4ed8-468e-4d71-bc43-7cbaf76f2ebd/bin/ukojak-LBtLqBUTdQ/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