./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_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_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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_4073ff77-e09d-4f85-afa3-c57799b4898b/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 b2ec0072d36716d222d96df9990bdec4e0da6d67822a0ad3cd15ee73b137d3e9 --- 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 14:44:06,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:44:06,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:44:06,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:44:06,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:44:06,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:44:06,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:44:06,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:44:06,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:44:06,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:44:06,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:44:06,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:44:06,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:44:06,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:44:06,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:44:06,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:44:06,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:44:06,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:44:06,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:44:06,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:44:06,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:44:06,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:44:06,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:44:06,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:44:06,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:44:06,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:44:06,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:44:06,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:44:06,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:44:06,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:44:06,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:44:06,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:44:06,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:44:06,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:44:06,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:44:06,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:44:06,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:44:06,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:44:06,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:44:06,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:44:06,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:44:06,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:44:06,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:44:06,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:44:06,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:44:06,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:44:06,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:44:06,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:44:06,455 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:44:06,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:44:06,456 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:44:06,456 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:44:06,457 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:44:06,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:44:06,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:44:06,458 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:44:06,458 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:44:06,458 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:44:06,458 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:44:06,458 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:44:06,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:44:06,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:44:06,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:44:06,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:44:06,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:44:06,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:44:06,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:44:06,461 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:44:06,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:44:06,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:44:06,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:44:06,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:44:06,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:44:06,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:44:06,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:44:06,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:44:06,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:44:06,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:44:06,464 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:44:06,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:44:06,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:44:06,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:44:06,465 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_4073ff77-e09d-4f85-afa3-c57799b4898b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2ec0072d36716d222d96df9990bdec4e0da6d67822a0ad3cd15ee73b137d3e9 [2022-11-23 14:44:06,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:44:06,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:44:06,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:44:06,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:44:06,854 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:44:06,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_bad.i [2022-11-23 14:44:09,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:44:10,335 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:44:10,336 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_bad.i [2022-11-23 14:44:10,354 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data/922e77551/ef35cb209c3b4d9d9c0383144949d1de/FLAG694b372f9 [2022-11-23 14:44:10,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data/922e77551/ef35cb209c3b4d9d9c0383144949d1de [2022-11-23 14:44:10,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:44:10,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:44:10,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:44:10,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:44:10,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:44:10,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:44:10" (1/1) ... [2022-11-23 14:44:10,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aac59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:10, skipping insertion in model container [2022-11-23 14:44:10,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:44:10" (1/1) ... [2022-11-23 14:44:10,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:44:10,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:44:10,801 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:44:11,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:44:11,395 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:44:11,415 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:44:11,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:44:11,588 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:44:11,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11 WrapperNode [2022-11-23 14:44:11,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:44:11,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:44:11,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:44:11,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:44:11,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,688 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2022-11-23 14:44:11,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:44:11,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:44:11,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:44:11,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:44:11,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,715 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:44:11,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:44:11,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:44:11,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:44:11,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (1/1) ... [2022-11-23 14:44:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:44:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:44:11,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:44:11,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:44:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:44:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:44:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:44:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:44:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:44:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:44:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:44:11,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:44:11,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:44:12,179 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:44:12,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:44:12,306 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:44:12,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:12 BoogieIcfgContainer [2022-11-23 14:44:12,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:44:12,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:44:12,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:44:12,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:44:12,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:44:10" (1/3) ... [2022-11-23 14:44:12,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11338a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:44:12, skipping insertion in model container [2022-11-23 14:44:12,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:11" (2/3) ... [2022-11-23 14:44:12,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11338a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:44:12, skipping insertion in model container [2022-11-23 14:44:12,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:12" (3/3) ... [2022-11-23 14:44:12,318 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_54_bad.i [2022-11-23 14:44:12,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:44:12,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:44:12,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:44:12,386 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;@5672ba2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:44:12,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:44:12,390 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 14:44:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:44:12,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:12,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:44:12,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:44:12,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:12,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1907712766, now seen corresponding path program 1 times [2022-11-23 14:44:12,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:12,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276735585] [2022-11-23 14:44:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:12,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:13,012 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 14:44:13,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:13,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276735585] [2022-11-23 14:44:13,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276735585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:13,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:13,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:44:13,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708496661] [2022-11-23 14:44:13,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:13,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:13,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:13,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:13,075 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 14:44:13,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:13,129 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-23 14:44:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:13,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 14:44:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:13,139 INFO L225 Difference]: With dead ends: 12 [2022-11-23 14:44:13,139 INFO L226 Difference]: Without dead ends: 8 [2022-11-23 14:44:13,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:13,147 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:13,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:44:13,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-23 14:44:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-23 14:44:13,186 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 14:44:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-23 14:44:13,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-23 14:44:13,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:13,188 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-23 14:44:13,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 14:44:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-23 14:44:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 14:44:13,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:13,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:13,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:44:13,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:44:13,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:13,192 INFO L85 PathProgramCache]: Analyzing trace with hash 990446451, now seen corresponding path program 1 times [2022-11-23 14:44:13,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:13,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270740597] [2022-11-23 14:44:13,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:13,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:44:13,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:44:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:44:13,345 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:44:13,346 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:44:13,348 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 14:44:13,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 14:44:13,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:44:13,354 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 14:44:13,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:44:13,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:44:13 BoogieIcfgContainer [2022-11-23 14:44:13,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:44:13,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:44:13,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:44:13,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:44:13,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:12" (3/4) ... [2022-11-23 14:44:13,398 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:44:13,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:44:13,398 INFO L158 Benchmark]: Toolchain (without parser) took 3023.13ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 92.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 14:44:13,399 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:44:13,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1212.19ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 116.6MB in the end (delta: -772.3kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2022-11-23 14:44:13,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.54ms. Allocated memory is still 148.9MB. Free memory was 116.6MB in the beginning and 113.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:44:13,400 INFO L158 Benchmark]: Boogie Preprocessor took 29.46ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:44:13,400 INFO L158 Benchmark]: RCFGBuilder took 589.34ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 92.3MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:44:13,401 INFO L158 Benchmark]: TraceAbstraction took 1083.02ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 92.2MB in the end (delta: -638.7kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-23 14:44:13,401 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 148.9MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:44:13,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1212.19ms. Allocated memory is still 148.9MB. Free memory was 115.8MB in the beginning and 116.6MB in the end (delta: -772.3kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.54ms. Allocated memory is still 148.9MB. Free memory was 116.6MB in the beginning and 113.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.46ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 589.34ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 92.3MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1083.02ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 92.2MB in the end (delta: -638.7kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 148.9MB. Free memory is still 92.2MB. 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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [#in~argv={2147483650:2147483649}, argc=2147483648, argv={2147483650:2147483649}, 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=2147483648] [L1560] CALL CWE190_Integer_Overflow__int_rand_preinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_preinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_preinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_preinc_54e_badSink(data) [L1582] ++data VAL [data=2147483647, 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=2147483647] - UnprovableResult [Line: 1582]: 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 14:44:13,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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_4073ff77-e09d-4f85-afa3-c57799b4898b/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 b2ec0072d36716d222d96df9990bdec4e0da6d67822a0ad3cd15ee73b137d3e9 --- 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 14:44:15,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:44:15,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:44:16,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:44:16,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:44:16,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:44:16,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:44:16,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:44:16,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:44:16,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:44:16,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:44:16,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:44:16,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:44:16,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:44:16,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:44:16,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:44:16,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:44:16,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:44:16,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:44:16,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:44:16,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:44:16,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:44:16,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:44:16,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:44:16,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:44:16,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:44:16,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:44:16,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:44:16,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:44:16,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:44:16,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:44:16,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:44:16,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:44:16,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:44:16,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:44:16,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:44:16,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:44:16,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:44:16,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:44:16,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:44:16,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:44:16,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 14:44:16,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:44:16,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:44:16,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:44:16,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:44:16,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:44:16,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:44:16,104 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:44:16,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:44:16,104 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:44:16,104 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:44:16,104 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:44:16,105 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:44:16,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:44:16,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:44:16,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:44:16,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:44:16,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:44:16,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:44:16,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:44:16,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:44:16,107 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:44:16,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:44:16,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:44:16,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:44:16,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:44:16,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:44:16,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:44:16,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:44:16,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:44:16,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:44:16,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:44:16,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:44:16,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:44:16,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:44:16,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:44:16,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:44:16,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:44:16,110 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_4073ff77-e09d-4f85-afa3-c57799b4898b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2ec0072d36716d222d96df9990bdec4e0da6d67822a0ad3cd15ee73b137d3e9 [2022-11-23 14:44:16,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:44:16,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:44:16,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:44:16,460 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:44:16,460 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:44:16,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_bad.i [2022-11-23 14:44:19,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:44:20,007 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:44:20,008 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_54_bad.i [2022-11-23 14:44:20,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data/e243ddf44/c905d2cde1b8409b918662c39578267c/FLAG32c606f0d [2022-11-23 14:44:20,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/data/e243ddf44/c905d2cde1b8409b918662c39578267c [2022-11-23 14:44:20,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:44:20,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:44:20,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:44:20,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:44:20,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:44:20,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:44:20" (1/1) ... [2022-11-23 14:44:20,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b389be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:20, skipping insertion in model container [2022-11-23 14:44:20,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:44:20" (1/1) ... [2022-11-23 14:44:20,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:44:20,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:44:20,578 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:44:21,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:44:21,188 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:44:21,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:44:21,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:44:21,458 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:44:21,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21 WrapperNode [2022-11-23 14:44:21,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:44:21,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:44:21,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:44:21,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:44:21,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,542 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2022-11-23 14:44:21,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:44:21,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:44:21,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:44:21,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:44:21,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:44:21,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:44:21,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:44:21,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:44:21,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (1/1) ... [2022-11-23 14:44:21,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:44:21,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:44:21,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:44:21,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:44:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:44:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:44:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:44:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:44:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:44:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:44:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:44:21,871 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:44:21,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:44:22,078 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:44:22,084 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:44:22,084 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:44:22,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:22 BoogieIcfgContainer [2022-11-23 14:44:22,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:44:22,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:44:22,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:44:22,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:44:22,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:44:20" (1/3) ... [2022-11-23 14:44:22,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffb49d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:44:22, skipping insertion in model container [2022-11-23 14:44:22,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:21" (2/3) ... [2022-11-23 14:44:22,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffb49d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:44:22, skipping insertion in model container [2022-11-23 14:44:22,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:22" (3/3) ... [2022-11-23 14:44:22,109 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_54_bad.i [2022-11-23 14:44:22,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:44:22,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:44:22,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:44:22,189 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;@736c6fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:44:22,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:44:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 14:44:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:44:22,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:22,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:22,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:44:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:22,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-11-23 14:44:22,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:44:22,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361272838] [2022-11-23 14:44:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:22,225 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 14:44:22,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:44:22,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:22,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:22,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 14:44:22,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:44:22,472 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 14:44:22,473 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:44:22,473 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:44:22,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361272838] [2022-11-23 14:44:22,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361272838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:22,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:22,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 14:44:22,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986114344] [2022-11-23 14:44:22,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:22,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:44:22,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:44:22,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:44:22,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:44:22,525 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 14:44:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:22,546 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-11-23 14:44:22,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:44:22,548 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-11-23 14:44:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:22,555 INFO L225 Difference]: With dead ends: 25 [2022-11-23 14:44:22,556 INFO L226 Difference]: Without dead ends: 13 [2022-11-23 14:44:22,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 14:44:22,571 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:22,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:44:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-23 14:44:22,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-23 14:44:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 14:44:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-23 14:44:22,611 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-23 14:44:22,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:22,612 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-23 14:44:22,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 14:44:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-23 14:44:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:44:22,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:22,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:22,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:22,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:22,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:44:22,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:22,829 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-11-23 14:44:22,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:44:22,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275935075] [2022-11-23 14:44:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:22,834 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 14:44:22,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:44:22,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:22,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:44:22,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:44:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:44:23,044 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 14:44:23,044 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:44:23,046 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 14:44:23,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 14:44:23,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:23,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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 14:44:23,262 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 14:44:23,267 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:44:23,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:44:23 BoogieIcfgContainer [2022-11-23 14:44:23,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:44:23,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:44:23,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:44:23,316 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:44:23,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:22" (3/4) ... [2022-11-23 14:44:23,319 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 14:44:23,383 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:44:23,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:44:23,384 INFO L158 Benchmark]: Toolchain (without parser) took 3327.13ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 62.2MB in the beginning and 63.7MB in the end (delta: -1.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,385 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:44:23,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.97ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 44.5MB in the end (delta: 17.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.95ms. Allocated memory is still 88.1MB. Free memory was 44.2MB in the beginning and 41.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,386 INFO L158 Benchmark]: Boogie Preprocessor took 62.31ms. Allocated memory is still 88.1MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,387 INFO L158 Benchmark]: RCFGBuilder took 475.73ms. Allocated memory is still 88.1MB. Free memory was 39.0MB in the beginning and 51.1MB in the end (delta: -12.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,387 INFO L158 Benchmark]: TraceAbstraction took 1226.04ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.7MB in the beginning and 65.8MB in the end (delta: -15.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,388 INFO L158 Benchmark]: Witness Printer took 67.97ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:44:23,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.97ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 44.5MB in the end (delta: 17.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.95ms. Allocated memory is still 88.1MB. Free memory was 44.2MB in the beginning and 41.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.31ms. Allocated memory is still 88.1MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.73ms. Allocated memory is still 88.1MB. Free memory was 39.0MB in the beginning and 51.1MB in the end (delta: -12.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1226.04ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.7MB in the beginning and 65.8MB in the end (delta: -15.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 67.97ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). 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: 1582]: 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_preinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] 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()=0, rand()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_preinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_preinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_preinc_54e_badSink(data) [L1582] ++data VAL [data=2147483647, 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=2147483647] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 1 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 proved your program to be incorrect! [2022-11-23 14:44:23,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4073ff77-e09d-4f85-afa3-c57799b4898b/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)