./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19622f11836defbb471a3ff04f669acc72a07eaded912a3173b59e96bcc16c28 --- 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-4e7fbc6 [2022-11-23 14:34:38,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:34:38,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:34:38,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:34:38,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:34:38,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:34:38,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:34:38,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:34:38,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:34:38,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:34:38,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:34:38,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:34:38,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:34:38,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:34:38,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:34:38,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:34:38,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:34:38,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:34:38,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:34:38,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:34:38,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:34:38,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:34:38,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:34:38,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:34:38,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:34:38,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:34:38,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:34:38,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:34:38,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:34:38,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:34:38,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:34:38,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:34:38,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:34:38,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:34:38,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:34:38,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:34:38,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:34:38,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:34:38,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:34:38,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:34:38,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:34:38,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:34:38,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:34:38,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:34:38,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:34:38,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:34:38,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:34:38,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:34:38,872 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:34:38,873 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:34:38,873 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:34:38,873 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:34:38,873 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:34:38,873 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:34:38,874 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:34:38,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:34:38,874 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:34:38,877 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:34:38,878 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:34:38,878 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:34:38,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:34:38,879 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:34:38,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:34:38,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:34:38,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:34:38,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:34:38,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:34:38,880 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:34:38,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:34:38,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:34:38,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:34:38,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:34:38,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:34:38,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:34:38,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:34:38,883 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:34:38,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:34:38,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:34:38,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:34:38,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:34:38,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:34:38,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:34:38,886 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_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19622f11836defbb471a3ff04f669acc72a07eaded912a3173b59e96bcc16c28 [2022-11-23 14:34:39,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:34:39,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:34:39,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:34:39,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:34:39,188 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:34:39,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i [2022-11-23 14:34:42,250 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:34:42,674 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:34:42,675 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i [2022-11-23 14:34:42,697 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data/998cd7a95/9e750cfce18240de8e9e4e46577cf3bc/FLAGb9c4990e7 [2022-11-23 14:34:42,712 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data/998cd7a95/9e750cfce18240de8e9e4e46577cf3bc [2022-11-23 14:34:42,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:34:42,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:34:42,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:34:42,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:34:42,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:34:42,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:42" (1/1) ... [2022-11-23 14:34:42,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136abfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:42, skipping insertion in model container [2022-11-23 14:34:42,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:42" (1/1) ... [2022-11-23 14:34:42,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:34:42,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:34:43,218 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:34:44,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:34:44,482 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:34:44,504 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:34:44,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:34:45,042 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:34:45,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45 WrapperNode [2022-11-23 14:34:45,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:34:45,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:34:45,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:34:45,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:34:45,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,145 INFO L138 Inliner]: procedures = 939, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-23 14:34:45,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:34:45,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:34:45,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:34:45,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:34:45,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:34:45,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:34:45,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:34:45,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:34:45,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (1/1) ... [2022-11-23 14:34:45,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:34:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:34:45,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:34:45,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:34:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:34:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:34:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:34:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-23 14:34:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-23 14:34:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:34:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:34:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:34:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:34:45,520 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:34:45,523 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:34:45,766 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:34:45,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:34:45,868 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:34:45,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:45 BoogieIcfgContainer [2022-11-23 14:34:45,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:34:45,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:34:45,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:34:45,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:34:45,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:42" (1/3) ... [2022-11-23 14:34:45,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@deb4e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:45, skipping insertion in model container [2022-11-23 14:34:45,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:45" (2/3) ... [2022-11-23 14:34:45,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@deb4e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:45, skipping insertion in model container [2022-11-23 14:34:45,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:45" (3/3) ... [2022-11-23 14:34:45,880 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_08_bad.i [2022-11-23 14:34:45,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:34:45,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:34:45,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:34:45,968 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63c4604f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:34:45,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:34:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:34:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 14:34:45,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:34:45,983 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:34:45,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:34:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:34:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1490381846, now seen corresponding path program 1 times [2022-11-23 14:34:46,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:34:46,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65981324] [2022-11-23 14:34:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:34:46,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:34:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:34:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:34:46,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:34:46,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65981324] [2022-11-23 14:34:46,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65981324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:34:46,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:34:46,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 14:34:46,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497366217] [2022-11-23 14:34:46,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:34:46,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:34:46,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:34:46,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:34:46,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:34:46,356 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 14:34:46,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:34:46,414 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-11-23 14:34:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:34:46,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 15 [2022-11-23 14:34:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:34:46,429 INFO L225 Difference]: With dead ends: 20 [2022-11-23 14:34:46,429 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 14:34:46,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:34:46,440 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:34:46,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:34:46,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 14:34:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 14:34:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:34:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-23 14:34:46,476 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 15 [2022-11-23 14:34:46,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:34:46,477 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-23 14:34:46,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 14:34:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-23 14:34:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:34:46,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:34:46,480 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:34:46,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:34:46,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:34:46,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:34:46,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1042803096, now seen corresponding path program 1 times [2022-11-23 14:34:46,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:34:46,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324665525] [2022-11-23 14:34:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:34:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:34:46,548 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:34:46,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261105682] [2022-11-23 14:34:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:34:46,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:34:46,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:34:46,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:34:46,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:34:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:34:46,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:34:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:34:46,790 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:34:46,791 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:34:46,792 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 14:34:46,794 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 14:34:46,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:34:47,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 14:34:47,011 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 14:34:47,016 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:34:47,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:34:47 BoogieIcfgContainer [2022-11-23 14:34:47,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:34:47,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:34:47,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:34:47,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:34:47,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:45" (3/4) ... [2022-11-23 14:34:47,080 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:34:47,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:34:47,082 INFO L158 Benchmark]: Toolchain (without parser) took 4365.84ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 100.8MB in the beginning and 76.6MB in the end (delta: 24.3MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-23 14:34:47,084 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:34:47,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2325.75ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 50.3MB in the end (delta: 50.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-23 14:34:47,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.81ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 50.3MB in the beginning and 141.5MB in the end (delta: -91.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:34:47,093 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 139.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:34:47,093 INFO L158 Benchmark]: RCFGBuilder took 696.22ms. Allocated memory is still 178.3MB. Free memory was 139.5MB in the beginning and 118.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:34:47,094 INFO L158 Benchmark]: TraceAbstraction took 1197.84ms. Allocated memory is still 178.3MB. Free memory was 117.5MB in the beginning and 76.6MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-23 14:34:47,099 INFO L158 Benchmark]: Witness Printer took 9.42ms. Allocated memory is still 178.3MB. Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:34:47,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2325.75ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 50.3MB in the end (delta: 50.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.81ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 50.3MB in the beginning and 141.5MB in the end (delta: -91.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 139.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.22ms. Allocated memory is still 178.3MB. Free memory was 139.5MB in the beginning and 118.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1197.84ms. Allocated memory is still 178.3MB. Free memory was 117.5MB in the beginning and 76.6MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 9.42ms. Allocated memory is still 178.3MB. Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1846, overapproximation of bitwiseAnd at line 1846. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1859] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1859] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=14, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=14] [L1860] CALL CWE190_Integer_Overflow__int_rand_square_08_bad() [L1842] int data; [L1843] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; [L1844] RET staticReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1844] COND TRUE staticReturnsTrue() [L1846] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1846] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1846] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1848] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; [L1848] RET staticReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0, staticReturnsTrue()=1] [L1848] COND TRUE staticReturnsTrue() [L1851] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 14:34:47,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19622f11836defbb471a3ff04f669acc72a07eaded912a3173b59e96bcc16c28 --- 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-4e7fbc6 [2022-11-23 14:34:49,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:34:49,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:34:49,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:34:49,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:34:49,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:34:49,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:34:49,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:34:49,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:34:49,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:34:49,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:34:49,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:34:49,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:34:49,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:34:49,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:34:49,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:34:49,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:34:49,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:34:49,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:34:49,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:34:49,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:34:49,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:34:49,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:34:49,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:34:49,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:34:49,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:34:49,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:34:49,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:34:49,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:34:49,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:34:49,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:34:49,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:34:49,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:34:49,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:34:49,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:34:49,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:34:49,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:34:49,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:34:49,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:34:49,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:34:49,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:34:49,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 14:34:49,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:34:49,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:34:49,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:34:49,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:34:49,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:34:49,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:34:49,748 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:34:49,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:34:49,748 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:34:49,748 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:34:49,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:34:49,750 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:34:49,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:34:49,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:34:49,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:34:49,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:34:49,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:34:49,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:34:49,752 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:34:49,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:34:49,753 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:34:49,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:34:49,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:34:49,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:34:49,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:34:49,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:34:49,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:34:49,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:34:49,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:34:49,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:34:49,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:34:49,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:34:49,757 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:34:49,757 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:34:49,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:34:49,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:34:49,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:34:49,758 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19622f11836defbb471a3ff04f669acc72a07eaded912a3173b59e96bcc16c28 [2022-11-23 14:34:50,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:34:50,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:34:50,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:34:50,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:34:50,208 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:34:50,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i [2022-11-23 14:34:53,216 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:34:53,647 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:34:53,648 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_08_bad.i [2022-11-23 14:34:53,685 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data/31236d226/6d7edd685540459a9f313835bb8c48be/FLAG1db28e134 [2022-11-23 14:34:53,707 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/data/31236d226/6d7edd685540459a9f313835bb8c48be [2022-11-23 14:34:53,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:34:53,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:34:53,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:34:53,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:34:53,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:34:53,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:53" (1/1) ... [2022-11-23 14:34:53,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed79695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:53, skipping insertion in model container [2022-11-23 14:34:53,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:53" (1/1) ... [2022-11-23 14:34:53,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:34:53,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:34:54,347 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:34:55,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:34:55,360 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:34:55,398 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:34:55,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:34:55,722 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:34:55,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55 WrapperNode [2022-11-23 14:34:55,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:34:55,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:34:55,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:34:55,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:34:55,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,793 INFO L138 Inliner]: procedures = 944, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-11-23 14:34:55,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:34:55,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:34:55,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:34:55,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:34:55,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:34:55,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:34:55,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:34:55,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:34:55,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (1/1) ... [2022-11-23 14:34:55,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:34:55,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:34:55,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:34:55,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:34:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:34:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:34:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:34:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-23 14:34:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-23 14:34:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:34:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:34:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:34:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:34:56,120 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:34:56,122 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:34:58,329 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:34:58,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:34:58,335 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:34:58,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:58 BoogieIcfgContainer [2022-11-23 14:34:58,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:34:58,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:34:58,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:34:58,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:34:58,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:53" (1/3) ... [2022-11-23 14:34:58,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58799e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:58, skipping insertion in model container [2022-11-23 14:34:58,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:55" (2/3) ... [2022-11-23 14:34:58,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58799e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:58, skipping insertion in model container [2022-11-23 14:34:58,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:58" (3/3) ... [2022-11-23 14:34:58,346 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_08_bad.i [2022-11-23 14:34:58,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:34:58,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:34:58,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:34:58,421 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b4fc31d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:34:58,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:34:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:34:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 14:34:58,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:34:58,434 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:34:58,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:34:58,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:34:58,440 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2022-11-23 14:34:58,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:34:58,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240615848] [2022-11-23 14:34:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:34:58,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:34:58,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:34:58,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:34:58,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:34:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:34:58,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:34:58,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:34:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:34:58,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:34:58,682 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:34:58,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240615848] [2022-11-23 14:34:58,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240615848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:34:58,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:34:58,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:34:58,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855352537] [2022-11-23 14:34:58,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:34:58,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:34:58,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:34:58,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:34:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:34:58,741 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:34:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:34:58,824 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-11-23 14:34:58,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:34:58,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2022-11-23 14:34:58,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:34:58,834 INFO L225 Difference]: With dead ends: 48 [2022-11-23 14:34:58,834 INFO L226 Difference]: Without dead ends: 21 [2022-11-23 14:34:58,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:34:58,840 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:34:58,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:34:58,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-23 14:34:58,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-23 14:34:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:34:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-23 14:34:58,876 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2022-11-23 14:34:58,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:34:58,878 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-23 14:34:58,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:34:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-23 14:34:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 14:34:58,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:34:58,880 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:34:58,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:34:59,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:34:59,094 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:34:59,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:34:59,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2082070403, now seen corresponding path program 1 times [2022-11-23 14:34:59,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:34:59,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76756514] [2022-11-23 14:34:59,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:34:59,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:34:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:34:59,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:34:59,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 14:34:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:34:59,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:34:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:34:59,349 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 14:34:59,349 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:34:59,351 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 14:34:59,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 14:34:59,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:34:59,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:34:59,566 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 14:34:59,570 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:34:59,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:34:59 BoogieIcfgContainer [2022-11-23 14:34:59,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:34:59,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:34:59,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:34:59,617 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:34:59,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:58" (3/4) ... [2022-11-23 14:34:59,619 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 14:34:59,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:34:59,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:34:59,668 INFO L158 Benchmark]: Toolchain (without parser) took 5956.63ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.0MB in the beginning and 63.3MB in the end (delta: -18.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,669 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:34:59,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2006.31ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.7MB in the beginning and 53.8MB in the end (delta: -9.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory is still 98.6MB. Free memory was 53.8MB in the beginning and 49.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,670 INFO L158 Benchmark]: Boogie Preprocessor took 53.12ms. Allocated memory is still 98.6MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,671 INFO L158 Benchmark]: RCFGBuilder took 2489.10ms. Allocated memory is still 98.6MB. Free memory was 47.5MB in the beginning and 66.0MB in the end (delta: -18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,672 INFO L158 Benchmark]: TraceAbstraction took 1266.09ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 32.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,672 INFO L158 Benchmark]: Witness Printer took 51.78ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:34:59,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2006.31ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.7MB in the beginning and 53.8MB in the end (delta: -9.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory is still 98.6MB. Free memory was 53.8MB in the beginning and 49.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.12ms. Allocated memory is still 98.6MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2489.10ms. Allocated memory is still 98.6MB. Free memory was 47.5MB in the beginning and 66.0MB in the end (delta: -18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1266.09ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 32.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 51.78ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1851]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1859] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=12] [L1860] CALL CWE190_Integer_Overflow__int_rand_square_08_bad() [L1842] int data; [L1843] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] RET staticReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1844] COND TRUE staticReturnsTrue() [L1846] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1846] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1846] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1848] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1848] RET staticReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1848] COND TRUE staticReturnsTrue() [L1851] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 14:34:59,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941c64d0-087d-4ec6-8478-00bee251895c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)