./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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 64151863c72c90299316fb6a4da519182f73b403e97c04c49d02adf4b9c5b65c --- 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 15:30:52,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:30:52,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:30:52,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:30:52,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:30:52,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:30:52,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:30:52,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:30:52,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:30:52,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:30:52,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:30:52,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:30:52,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:30:52,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:30:52,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:30:52,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:30:52,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:30:52,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:30:52,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:30:52,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:30:52,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:30:52,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:30:52,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:30:52,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:30:52,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:30:52,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:30:52,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:30:52,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:30:52,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:30:52,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:30:52,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:30:52,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:30:52,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:30:52,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:30:52,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:30:52,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:30:52,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:30:52,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:30:52,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:30:52,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:30:52,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:30:52,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:30:52,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:30:52,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:30:52,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:30:52,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:30:52,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:30:52,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:30:52,801 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:30:52,802 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:30:52,802 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:30:52,802 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:30:52,803 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:30:52,803 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:30:52,804 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:30:52,804 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:30:52,804 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:30:52,804 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:30:52,804 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:30:52,805 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:30:52,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:30:52,806 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:30:52,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:30:52,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:30:52,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:30:52,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:30:52,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:30:52,807 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:30:52,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:30:52,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:30:52,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:30:52,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:30:52,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:30:52,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:30:52,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:30:52,809 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:30:52,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:30:52,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:30:52,810 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:30:52,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:30:52,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:30:52,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:30:52,811 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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64151863c72c90299316fb6a4da519182f73b403e97c04c49d02adf4b9c5b65c [2022-11-23 15:30:53,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:30:53,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:30:53,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:30:53,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:30:53,148 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:30:53,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_bad.i [2022-11-23 15:30:56,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:30:56,771 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:30:56,772 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_bad.i [2022-11-23 15:30:56,812 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data/8c9ae0beb/e4f3efe8c72d429c8aaecb04ea2252f7/FLAG5bc041f8f [2022-11-23 15:30:56,829 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data/8c9ae0beb/e4f3efe8c72d429c8aaecb04ea2252f7 [2022-11-23 15:30:56,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:30:56,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:30:56,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:30:56,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:30:56,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:30:56,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:56" (1/1) ... [2022-11-23 15:30:56,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdc5655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56, skipping insertion in model container [2022-11-23 15:30:56,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:56" (1/1) ... [2022-11-23 15:30:56,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:30:56,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:30:57,431 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:30:58,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:30:58,780 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:30:58,823 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:30:58,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:30:59,173 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:30:59,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59 WrapperNode [2022-11-23 15:30:59,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:30:59,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:30:59,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:30:59,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:30:59,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,243 INFO L138 Inliner]: procedures = 938, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-23 15:30:59,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:30:59,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:30:59,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:30:59,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:30:59,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:30:59,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:30:59,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:30:59,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:30:59,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (1/1) ... [2022-11-23 15:30:59,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:30:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:30:59,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:30:59,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:30:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:30:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:30:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:30:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:30:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:30:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:30:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:30:59,583 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:30:59,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:30:59,854 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:30:59,977 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:30:59,977 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:30:59,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:59 BoogieIcfgContainer [2022-11-23 15:30:59,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:30:59,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:30:59,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:30:59,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:30:59,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:30:56" (1/3) ... [2022-11-23 15:30:59,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e5aee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:59, skipping insertion in model container [2022-11-23 15:30:59,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:59" (2/3) ... [2022-11-23 15:30:59,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e5aee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:59, skipping insertion in model container [2022-11-23 15:30:59,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:59" (3/3) ... [2022-11-23 15:31:00,000 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_41_bad.i [2022-11-23 15:31:00,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:31:00,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:31:00,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:31:00,098 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;@404b2705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:31:00,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:31:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:31:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 15:31:00,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:31:00,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 15:31:00,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:31:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:31:00,129 INFO L85 PathProgramCache]: Analyzing trace with hash -2142650544, now seen corresponding path program 1 times [2022-11-23 15:31:00,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:31:00,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603504609] [2022-11-23 15:31:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:31:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:31:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:31:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:31:00,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:31:00,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603504609] [2022-11-23 15:31:00,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603504609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:31:00,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:31:00,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:31:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175744957] [2022-11-23 15:31:00,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:31:00,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:31:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:31:00,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:31:00,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:31:00,528 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:31:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:31:00,564 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-23 15:31:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:31:00,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-23 15:31:00,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:31:00,575 INFO L225 Difference]: With dead ends: 12 [2022-11-23 15:31:00,575 INFO L226 Difference]: Without dead ends: 8 [2022-11-23 15:31:00,578 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 15:31:00,582 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:31:00,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:31:00,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-23 15:31:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-23 15:31:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:31:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-23 15:31:00,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-23 15:31:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:31:00,622 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-23 15:31:00,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:31:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-23 15:31:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:31:00,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:31:00,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:31:00,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:31:00,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:31:00,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:31:00,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1997657371, now seen corresponding path program 1 times [2022-11-23 15:31:00,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:31:00,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288575396] [2022-11-23 15:31:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:31:00,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:31:00,664 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:31:00,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14297955] [2022-11-23 15:31:00,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:31:00,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:31:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:31:00,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:31:00,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:31:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:31:00,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:31:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:31:00,840 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:31:00,841 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:31:00,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:31:00,845 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:31:00,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:31:01,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:31:01,054 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:31:01,058 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:31:01,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:31:01 BoogieIcfgContainer [2022-11-23 15:31:01,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:31:01,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:31:01,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:31:01,085 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:31:01,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:59" (3/4) ... [2022-11-23 15:31:01,090 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:31:01,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:31:01,091 INFO L158 Benchmark]: Toolchain (without parser) took 4256.06ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 84.7MB in the beginning and 84.9MB in the end (delta: -188.0kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-23 15:31:01,091 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:31:01,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2337.61ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 84.7MB in the beginning and 82.4MB in the end (delta: 2.4MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-11-23 15:31:01,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.27ms. Allocated memory is still 161.5MB. Free memory was 82.4MB in the beginning and 78.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:31:01,093 INFO L158 Benchmark]: Boogie Preprocessor took 54.74ms. Allocated memory is still 161.5MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:31:01,093 INFO L158 Benchmark]: RCFGBuilder took 680.74ms. Allocated memory is still 161.5MB. Free memory was 77.1MB in the beginning and 123.4MB in the end (delta: -46.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 15:31:01,094 INFO L158 Benchmark]: TraceAbstraction took 1101.89ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 84.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-23 15:31:01,094 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 161.5MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:31:01,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2337.61ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 84.7MB in the beginning and 82.4MB in the end (delta: 2.4MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.27ms. Allocated memory is still 161.5MB. Free memory was 82.4MB in the beginning and 78.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.74ms. Allocated memory is still 161.5MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.74ms. Allocated memory is still 161.5MB. Free memory was 77.1MB in the beginning and 123.4MB in the end (delta: -46.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1101.89ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 84.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 161.5MB. Free memory is still 84.9MB. 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: 1835]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1843, overapproximation of bitwiseAnd at line 1843. 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); [L1849] 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) [L1849] 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] [L1850] CALL CWE190_Integer_Overflow__int_rand_square_41_bad() [L1841] int data; [L1842] data = 0 [L1843] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1843] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1843] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1844] CALL badSink(data) [L1835] data * data VAL [data=-715827882, 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~data-unknown=-715827882] - UnprovableResult [Line: 1835]: 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, 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, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 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=12occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 15:31:01,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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 64151863c72c90299316fb6a4da519182f73b403e97c04c49d02adf4b9c5b65c --- 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 15:31:03,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:31:03,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:31:03,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:31:03,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:31:03,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:31:03,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:31:03,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:31:03,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:31:03,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:31:03,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:31:03,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:31:03,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:31:03,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:31:03,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:31:03,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:31:03,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:31:03,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:31:03,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:31:03,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:31:03,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:31:03,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:31:03,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:31:03,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:31:03,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:31:03,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:31:03,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:31:03,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:31:03,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:31:03,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:31:03,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:31:03,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:31:03,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:31:03,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:31:03,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:31:03,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:31:03,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:31:03,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:31:03,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:31:03,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:31:03,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:31:03,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:31:03,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:31:03,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:31:03,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:31:03,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:31:03,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:31:03,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:31:03,788 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:31:03,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:31:03,788 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:31:03,789 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:31:03,789 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:31:03,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:31:03,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:31:03,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:31:03,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:31:03,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:31:03,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:31:03,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:31:03,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:31:03,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:31:03,792 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:31:03,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:31:03,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:31:03,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:31:03,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:31:03,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:31:03,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:31:03,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:31:03,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:31:03,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:31:03,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:31:03,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:31:03,795 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:31:03,795 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:31:03,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:31:03,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:31:03,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:31:03,796 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_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64151863c72c90299316fb6a4da519182f73b403e97c04c49d02adf4b9c5b65c [2022-11-23 15:31:04,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:31:04,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:31:04,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:31:04,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:31:04,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:31:04,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_bad.i [2022-11-23 15:31:07,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:31:08,153 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:31:08,154 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_41_bad.i [2022-11-23 15:31:08,191 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data/35fd10778/f719b87ec1bd4126989ca2d19a52db89/FLAG6cd447680 [2022-11-23 15:31:08,217 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/data/35fd10778/f719b87ec1bd4126989ca2d19a52db89 [2022-11-23 15:31:08,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:31:08,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:31:08,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:31:08,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:31:08,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:31:08,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:08" (1/1) ... [2022-11-23 15:31:08,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6804b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:08, skipping insertion in model container [2022-11-23 15:31:08,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:08" (1/1) ... [2022-11-23 15:31:08,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:31:08,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:31:08,879 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:31:10,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:31:10,202 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:31:10,224 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:31:10,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:31:10,619 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:31:10,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10 WrapperNode [2022-11-23 15:31:10,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:31:10,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:31:10,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:31:10,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:31:10,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,686 INFO L138 Inliner]: procedures = 943, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-23 15:31:10,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:31:10,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:31:10,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:31:10,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:31:10,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,725 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:31:10,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:31:10,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:31:10,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:31:10,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2022-11-23 15:31:10,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:31:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:31:10,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:31:10,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:31:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:31:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:31:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:31:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:31:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:31:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:31:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:31:11,008 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:31:11,011 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:31:13,312 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:31:13,318 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:31:13,318 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:31:13,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:13 BoogieIcfgContainer [2022-11-23 15:31:13,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:31:13,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:31:13,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:31:13,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:31:13,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:31:08" (1/3) ... [2022-11-23 15:31:13,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605b8fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:13, skipping insertion in model container [2022-11-23 15:31:13,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (2/3) ... [2022-11-23 15:31:13,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605b8fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:13, skipping insertion in model container [2022-11-23 15:31:13,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:13" (3/3) ... [2022-11-23 15:31:13,342 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_41_bad.i [2022-11-23 15:31:13,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:31:13,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:31:13,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:31:13,422 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;@494c3729, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:31:13,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:31:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:31:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:31:13,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:31:13,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:31:13,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:31:13,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:31:13,451 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-23 15:31:13,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:31:13,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898606730] [2022-11-23 15:31:13,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:31:13,467 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 15:31:13,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:31:13,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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 15:31:13,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb23d3-4e66-4237-a326-0d6d4596c0f9/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