./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_64_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_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/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_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/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_1585d15a-f17b-40c0-baa3-4b3894038f98/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 e67e401a4d8469bb70d13650410158b54bb24bfe084f82c1f1733610a6322378 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:15:37,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:15:37,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:15:37,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:15:37,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:15:37,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:15:37,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:15:37,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:15:37,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:15:37,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:15:37,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:15:37,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:15:37,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:15:37,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:15:37,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:15:37,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:15:37,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:15:37,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:15:37,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:15:37,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:15:37,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:15:37,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:15:37,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:15:37,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:15:37,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:15:37,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:15:37,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:15:37,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:15:37,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:15:37,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:15:37,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:15:37,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:15:37,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:15:37,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:15:37,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:15:37,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:15:37,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:15:37,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:15:37,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:15:37,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:15:37,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:15:37,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:15:37,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:15:37,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:15:37,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:15:37,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:15:37,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:15:37,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:15:37,525 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:15:37,525 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:15:37,525 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:15:37,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:15:37,527 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:15:37,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:15:37,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:15:37,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:15:37,528 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:15:37,528 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:15:37,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:15:37,529 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:15:37,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:15:37,530 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:15:37,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:15:37,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:15:37,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:15:37,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:15:37,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:15:37,532 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:15:37,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:15:37,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:15:37,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:15:37,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:15:37,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:15:37,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:15:37,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:15:37,535 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:15:37,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:15:37,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:15:37,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:15:37,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:15:37,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:15:37,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:15:37,536 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_1585d15a-f17b-40c0-baa3-4b3894038f98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67e401a4d8469bb70d13650410158b54bb24bfe084f82c1f1733610a6322378 [2022-11-23 15:15:37,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:15:37,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:15:37,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:15:37,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:15:37,898 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:15:37,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_64_bad.i [2022-11-23 15:15:41,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:15:41,601 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:15:41,602 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_64_bad.i [2022-11-23 15:15:41,637 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/data/1d7ed135a/6c777edfe1ac439f8f44644edab1895d/FLAG11ad8a45d [2022-11-23 15:15:41,662 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/data/1d7ed135a/6c777edfe1ac439f8f44644edab1895d [2022-11-23 15:15:41,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:15:41,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:15:41,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:15:41,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:15:41,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:15:41,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:15:41" (1/1) ... [2022-11-23 15:15:41,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e01a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:41, skipping insertion in model container [2022-11-23 15:15:41,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:15:41" (1/1) ... [2022-11-23 15:15:41,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:15:41,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:15:42,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:15:43,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:15:43,714 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:15:43,765 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:15:43,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:15:44,409 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:15:44,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44 WrapperNode [2022-11-23 15:15:44,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:15:44,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:15:44,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:15:44,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:15:44,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,525 INFO L138 Inliner]: procedures = 938, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2022-11-23 15:15:44,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:15:44,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:15:44,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:15:44,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:15:44,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:15:44,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:15:44,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:15:44,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:15:44,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (1/1) ... [2022-11-23 15:15:44,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:15:44,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:15:44,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:15:44,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:15:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:15:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:15:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:15:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:15:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:15:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:15:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:15:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:15:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:15:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:15:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:15:44,939 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:15:44,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:15:45,154 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:15:45,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:15:45,202 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:15:45,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:15:45 BoogieIcfgContainer [2022-11-23 15:15:45,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:15:45,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:15:45,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:15:45,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:15:45,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:15:41" (1/3) ... [2022-11-23 15:15:45,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5937301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:15:45, skipping insertion in model container [2022-11-23 15:15:45,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:44" (2/3) ... [2022-11-23 15:15:45,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5937301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:15:45, skipping insertion in model container [2022-11-23 15:15:45,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:15:45" (3/3) ... [2022-11-23 15:15:45,216 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_64_bad.i [2022-11-23 15:15:45,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:15:45,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:15:45,296 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:15:45,306 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;@76d1c671, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:15:45,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:15:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:15:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 15:15:45,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:15:45,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 15:15:45,325 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:15:45,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:15:45,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1916602448, now seen corresponding path program 1 times [2022-11-23 15:15:45,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:15:45,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151992933] [2022-11-23 15:15:45,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:15:45,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:15:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:15:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:15:45,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:15:45,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151992933] [2022-11-23 15:15:45,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151992933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:15:45,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:15:45,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:15:45,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803136394] [2022-11-23 15:15:45,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:15:45,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:15:45,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:15:45,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:15:45,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:15:45,723 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:15:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:15:45,754 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-23 15:15:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:15:45,757 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-23 15:15:45,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:15:45,772 INFO L225 Difference]: With dead ends: 12 [2022-11-23 15:15:45,772 INFO L226 Difference]: Without dead ends: 8 [2022-11-23 15:15:45,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:15:45,780 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:15:45,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:15:45,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-23 15:15:45,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-23 15:15:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:15:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-23 15:15:45,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-23 15:15:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:15:45,832 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-23 15:15:45,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 15:15:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-23 15:15:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:15:45,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:15:45,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:15:45,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:15:45,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:15:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:15:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash -714866210, now seen corresponding path program 1 times [2022-11-23 15:15:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:15:45,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664706828] [2022-11-23 15:15:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:15:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:15:45,889 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:15:45,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736744932] [2022-11-23 15:15:45,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:15:45,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:15:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:15:45,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:15:45,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:15:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:15:46,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:15:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:15:46,114 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:15:46,115 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:15:46,116 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:15:46,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:15:46,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:15:46,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:15:46,331 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:15:46,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:15:46,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:15:46 BoogieIcfgContainer [2022-11-23 15:15:46,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:15:46,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:15:46,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:15:46,373 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:15:46,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:15:45" (3/4) ... [2022-11-23 15:15:46,375 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 15:15:46,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:15:46,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:15:46,419 INFO L158 Benchmark]: Toolchain (without parser) took 4748.27ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 125.4MB in the beginning and 102.9MB in the end (delta: 22.5MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-11-23 15:15:46,419 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 163.6MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:15:46,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2734.82ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 125.4MB in the beginning and 82.8MB in the end (delta: 42.6MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2022-11-23 15:15:46,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.88ms. Allocated memory is still 197.1MB. Free memory was 82.8MB in the beginning and 158.5MB in the end (delta: -75.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:15:46,421 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 197.1MB. Free memory was 158.5MB in the beginning and 157.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:15:46,421 INFO L158 Benchmark]: RCFGBuilder took 648.30ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 141.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 15:15:46,422 INFO L158 Benchmark]: TraceAbstraction took 1160.91ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 105.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-23 15:15:46,423 INFO L158 Benchmark]: Witness Printer took 47.25ms. Allocated memory is still 197.1MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:15:46,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 163.6MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2734.82ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 125.4MB in the beginning and 82.8MB in the end (delta: 42.6MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.88ms. Allocated memory is still 197.1MB. Free memory was 82.8MB in the beginning and 158.5MB in the end (delta: -75.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 197.1MB. Free memory was 158.5MB in the beginning and 157.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 648.30ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 141.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1160.91ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 105.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 47.25ms. Allocated memory is still 197.1MB. Free memory was 105.0MB in the beginning and 102.9MB 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: 1853]: 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); [L1843] 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) [L1843] RET printLine("Calling bad()...") VAL [#in~argv={14:12}, argc=16, argv={14:12}, 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=16] [L1844] CALL CWE190_Integer_Overflow__int_fscanf_square_64_bad() [L1835] int data; [L1836] data = 0 [L1838] CALL CWE190_Integer_Overflow__int_fscanf_square_64b_badSink(&data) [L1850] int * dataPtr = (int *)dataVoidPtr; [L1851] EXPR \read(*dataPtr) [L1851] int data = (*dataPtr); [L1853] data * data VAL [#in~dataVoidPtr={4:0}, data=-1073740788, dataPtr={4:0}, dataVoidPtr={4:0}, 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: 1853]: 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: 1.1s, 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, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 15:15:46,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1585d15a-f17b-40c0-baa3-4b3894038f98/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)