./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9 --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 eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 --- 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-6b4ec56 [2022-11-20 19:52:25,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:52:25,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:52:25,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:52:25,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:52:25,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:52:25,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:52:25,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:52:25,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:52:25,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:52:25,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:52:25,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:52:25,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:52:25,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:52:25,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:52:25,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:52:25,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:52:25,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:52:25,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:52:25,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:52:25,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:52:25,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:52:25,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:52:25,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:52:25,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:52:25,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:52:25,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:52:25,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:52:25,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:52:25,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:52:25,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:52:25,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:52:25,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:52:25,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:52:25,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:52:25,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:52:25,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:52:25,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:52:25,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:52:25,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:52:25,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:52:25,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 19:52:25,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:52:25,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:52:25,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:52:25,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:52:25,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:52:25,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:52:25,602 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:52:25,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:52:25,602 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:52:25,603 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:52:25,604 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:52:25,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:52:25,605 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:52:25,605 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:52:25,605 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:52:25,605 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:52:25,606 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:52:25,606 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:52:25,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:52:25,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:52:25,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:52:25,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:52:25,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:52:25,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:52:25,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:52:25,609 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:52:25,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:52:25,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:52:25,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:52:25,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:52:25,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:52:25,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:52:25,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:52:25,611 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:52:25,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:52:25,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:52:25,612 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:52:25,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:52:25,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:52:25,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:52:25,613 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_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 [2022-11-20 19:52:26,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:52:26,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:52:26,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:52:26,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:52:26,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:52:26,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2022-11-20 19:52:29,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:52:29,522 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:52:29,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2022-11-20 19:52:29,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data/0502c1932/491a149d15944ccebf638de1da24a9a6/FLAGab58fd49f [2022-11-20 19:52:29,583 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data/0502c1932/491a149d15944ccebf638de1da24a9a6 [2022-11-20 19:52:29,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:52:29,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:52:29,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:52:29,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:52:29,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:52:29,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:52:29" (1/1) ... [2022-11-20 19:52:29,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf6c042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:29, skipping insertion in model container [2022-11-20 19:52:29,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:52:29" (1/1) ... [2022-11-20 19:52:29,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:52:29,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:52:30,248 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:52:30,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:52:30,891 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:52:30,927 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:52:31,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:52:31,170 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:52:31,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31 WrapperNode [2022-11-20 19:52:31,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:52:31,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:52:31,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:52:31,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:52:31,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,261 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-20 19:52:31,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:52:31,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:52:31,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:52:31,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:52:31,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:52:31,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:52:31,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:52:31,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:52:31,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (1/1) ... [2022-11-20 19:52:31,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:52:31,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:52:31,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:52:31,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:52:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 19:52:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 19:52:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:52:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:52:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:52:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 19:52:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:52:31,545 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:52:31,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:52:31,876 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:52:31,997 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:52:31,997 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 19:52:32,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:52:32 BoogieIcfgContainer [2022-11-20 19:52:32,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:52:32,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:52:32,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:52:32,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:52:32,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:52:29" (1/3) ... [2022-11-20 19:52:32,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff9be2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:52:32, skipping insertion in model container [2022-11-20 19:52:32,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:31" (2/3) ... [2022-11-20 19:52:32,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff9be2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:52:32, skipping insertion in model container [2022-11-20 19:52:32,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:52:32" (3/3) ... [2022-11-20 19:52:32,011 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2022-11-20 19:52:32,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:52:32,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 19:52:32,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:52:32,108 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;@f2ef3d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:52:32,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 19:52:32,114 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) [2022-11-20 19:52:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 19:52:32,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:52:32,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 19:52:32,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 19:52:32,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:52:32,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2142650544, now seen corresponding path program 1 times [2022-11-20 19:52:32,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:52:32,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245957459] [2022-11-20 19:52:32,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:52:32,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:52:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:52:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:52:32,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:52:32,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245957459] [2022-11-20 19:52:32,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245957459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:52:32,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:52:32,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:52:32,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666473474] [2022-11-20 19:52:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:52:32,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:52:32,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:52:32,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:52:32,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:52:32,827 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) [2022-11-20 19:52:32,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:52:32,900 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-20 19:52:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:52:32,903 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 [2022-11-20 19:52:32,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:52:32,910 INFO L225 Difference]: With dead ends: 12 [2022-11-20 19:52:32,911 INFO L226 Difference]: Without dead ends: 8 [2022-11-20 19:52:32,914 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 [2022-11-20 19:52:32,918 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:52:32,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:52:32,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-20 19:52:32,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-20 19:52:32,952 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) [2022-11-20 19:52:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-20 19:52:32,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-20 19:52:32,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:52:32,955 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-20 19:52:32,955 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) [2022-11-20 19:52:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-20 19:52:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 19:52:32,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:52:32,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:52:32,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:52:32,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 19:52:32,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:52:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1997657371, now seen corresponding path program 1 times [2022-11-20 19:52:32,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:52:32,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388203286] [2022-11-20 19:52:32,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:52:32,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:52:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 19:52:33,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 19:52:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 19:52:33,106 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 19:52:33,107 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 19:52:33,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 19:52:33,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 19:52:33,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:52:33,117 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 19:52:33,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:52:33,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:52:33 BoogieIcfgContainer [2022-11-20 19:52:33,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:52:33,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:52:33,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:52:33,170 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:52:33,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:52:32" (3/4) ... [2022-11-20 19:52:33,174 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 19:52:33,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:52:33,175 INFO L158 Benchmark]: Toolchain (without parser) took 3584.46ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 115.3MB in the beginning and 91.8MB in the end (delta: 23.5MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-11-20 19:52:33,176 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:52:33,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.42ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 68.9MB in the end (delta: 46.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 19:52:33,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.84ms. Allocated memory is still 151.0MB. Free memory was 68.9MB in the beginning and 65.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:52:33,184 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 151.0MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:52:33,185 INFO L158 Benchmark]: RCFGBuilder took 691.78ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 64.2MB in the beginning and 143.2MB in the end (delta: -79.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-20 19:52:33,186 INFO L158 Benchmark]: TraceAbstraction took 1165.22ms. Allocated memory is still 182.5MB. Free memory was 143.2MB in the beginning and 92.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 19:52:33,187 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 182.5MB. Free memory was 92.9MB in the beginning and 91.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:52:33,194 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 121.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.42ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 68.9MB in the end (delta: 46.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.84ms. Allocated memory is still 151.0MB. Free memory was 68.9MB in the beginning and 65.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 151.0MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.78ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 64.2MB in the beginning and 143.2MB in the end (delta: -79.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1165.22ms. Allocated memory is still 182.5MB. Free memory was 143.2MB in the beginning and 92.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 182.5MB. Free memory was 92.9MB in the beginning and 91.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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); [L1548] int CWE191_Integer_Underflow__int_rand_predec_68_badData; [L1549] int CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, CWE191_Integer_Underflow__int_rand_predec_68_badData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_predec_68_badData; VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] --data VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: 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, 0.1s 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2022-11-20 19:52:33,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9 --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 eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 --- 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-6b4ec56 [2022-11-20 19:52:35,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:52:35,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:52:36,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:52:36,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:52:36,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:52:36,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:52:36,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:52:36,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:52:36,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:52:36,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:52:36,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:52:36,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:52:36,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:52:36,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:52:36,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:52:36,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:52:36,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:52:36,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:52:36,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:52:36,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:52:36,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:52:36,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:52:36,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:52:36,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:52:36,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:52:36,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:52:36,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:52:36,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:52:36,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:52:36,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:52:36,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:52:36,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:52:36,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:52:36,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:52:36,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:52:36,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:52:36,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:52:36,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:52:36,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:52:36,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:52:36,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-20 19:52:36,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:52:36,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:52:36,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:52:36,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:52:36,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:52:36,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:52:36,169 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:52:36,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:52:36,169 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:52:36,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:52:36,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:52:36,171 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:52:36,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:52:36,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:52:36,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:52:36,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:52:36,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:52:36,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:52:36,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:52:36,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:52:36,173 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:52:36,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:52:36,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:52:36,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:52:36,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:52:36,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:52:36,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:52:36,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:52:36,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:52:36,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:52:36,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:52:36,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:52:36,176 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:52:36,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:52:36,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:52:36,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:52:36,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:52:36,177 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_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 [2022-11-20 19:52:36,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:52:36,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:52:36,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:52:36,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:52:36,620 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:52:36,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2022-11-20 19:52:40,056 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:52:40,484 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:52:40,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2022-11-20 19:52:40,516 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data/f72a514b4/414b3bd77bec4861aee3925c2386e3b0/FLAGa7ae761a2 [2022-11-20 19:52:40,538 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f78cf67-acf0-4184-ac0f-ee81385a45e9/bin/utaipan-6cKwYrpEi9/data/f72a514b4/414b3bd77bec4861aee3925c2386e3b0 [2022-11-20 19:52:40,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:52:40,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:52:40,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:52:40,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:52:40,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:52:40,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:52:40" (1/1) ... [2022-11-20 19:52:40,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d1b6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:52:40, skipping insertion in model container [2022-11-20 19:52:40,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:52:40" (1/1) ... [2022-11-20 19:52:40,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:52:40,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:52:41,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:52:41,264 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 19:52:41,272 INFO L158 Benchmark]: Toolchain (without parser) took 728.57ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.3MB in the beginning and 56.2MB in the end (delta: -18.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-20 19:52:41,272 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:52:41,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.1MB in the beginning and 56.2MB in the end (delta: -19.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-20 19:52:41,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.1MB in the beginning and 56.2MB in the end (delta: -19.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.