./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 --- 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-b5237d8 [2022-11-21 17:05:02,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:05:02,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:05:02,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:05:02,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:05:02,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:05:02,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:05:02,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:05:02,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:05:02,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:05:02,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:05:02,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:05:02,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:05:02,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:05:02,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:05:02,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:05:02,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:05:02,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:05:02,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:05:02,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:05:02,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:05:02,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:05:02,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:05:02,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:05:02,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:05:02,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:05:02,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:05:02,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:05:02,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:05:02,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:05:02,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:05:02,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:05:02,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:05:02,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:05:02,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:05:02,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:05:02,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:05:02,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:05:02,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:05:02,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:05:02,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:05:02,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 17:05:02,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:05:02,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:05:02,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:05:02,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:05:02,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:05:02,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:05:02,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:05:02,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:05:02,347 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:05:02,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:05:02,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:05:02,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:05:02,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:05:02,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:05:02,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:05:02,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:05:02,350 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:05:02,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:05:02,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:05:02,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:05:02,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:05:02,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:05:02,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:05:02,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:05:02,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:05:02,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:05:02,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:05:02,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:05:02,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:05:02,353 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:05:02,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:05:02,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:05:02,354 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_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 [2022-11-21 17:05:02,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:05:02,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:05:02,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:05:02,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:05:02,682 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:05:02,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2022-11-21 17:05:05,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:05:06,070 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:05:06,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2022-11-21 17:05:06,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data/8fddeb66e/ef157b7ededf47ceab4de25fb907731a/FLAGdb5551b3e [2022-11-21 17:05:06,117 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data/8fddeb66e/ef157b7ededf47ceab4de25fb907731a [2022-11-21 17:05:06,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:05:06,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:05:06,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:05:06,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:05:06,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:05:06,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:05:06" (1/1) ... [2022-11-21 17:05:06,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a22f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:06, skipping insertion in model container [2022-11-21 17:05:06,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:05:06" (1/1) ... [2022-11-21 17:05:06,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:05:06,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:05:06,569 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:05:07,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:05:07,212 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:05:07,248 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:05:07,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:05:07,471 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:05:07,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07 WrapperNode [2022-11-21 17:05:07,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:05:07,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:05:07,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:05:07,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:05:07,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,529 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2022-11-21 17:05:07,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:05:07,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:05:07,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:05:07,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:05:07,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:05:07,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:05:07,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:05:07,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:05:07,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (1/1) ... [2022-11-21 17:05:07,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:05:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:05:07,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:05:07,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:05:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:05:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:05:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:05:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:05:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:05:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:05:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:05:07,783 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:05:07,785 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:05:07,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:05:07,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:05:07,935 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:05:07,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:07 BoogieIcfgContainer [2022-11-21 17:05:07,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:05:07,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:05:07,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:05:07,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:05:07,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:05:06" (1/3) ... [2022-11-21 17:05:07,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b59d468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:05:07, skipping insertion in model container [2022-11-21 17:05:07,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:07" (2/3) ... [2022-11-21 17:05:07,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b59d468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:05:07, skipping insertion in model container [2022-11-21 17:05:07,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:07" (3/3) ... [2022-11-21 17:05:07,955 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2022-11-21 17:05:07,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:05:07,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 17:05:08,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:05:08,093 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=PETRI_NET, 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;@f7bef31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:05:08,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 17:05:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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) [2022-11-21 17:05:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 17:05:08,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:05:08,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:05:08,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:05:08,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:05:08,124 INFO L85 PathProgramCache]: Analyzing trace with hash -586839655, now seen corresponding path program 1 times [2022-11-21 17:05:08,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:05:08,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491646230] [2022-11-21 17:05:08,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:05:08,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:05:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:08,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:05:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:05:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:05:08,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:05:08,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491646230] [2022-11-21 17:05:08,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491646230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:05:08,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:05:08,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:05:08,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317352848] [2022-11-21 17:05:08,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:05:08,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:05:08,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:05:08,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:05:08,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:05:08,546 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 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 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-21 17:05:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:05:08,593 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-21 17:05:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:05:08,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-11-21 17:05:08,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:05:08,606 INFO L225 Difference]: With dead ends: 36 [2022-11-21 17:05:08,607 INFO L226 Difference]: Without dead ends: 14 [2022-11-21 17:05:08,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:05:08,613 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:05:08,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 57 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:05:08,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-21 17:05:08,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-21 17:05:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-11-21 17:05:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-21 17:05:08,649 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-21 17:05:08,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:05:08,650 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-21 17:05:08,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-21 17:05:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-21 17:05:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 17:05:08,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:05:08,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:05:08,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:05:08,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:05:08,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:05:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160065, now seen corresponding path program 1 times [2022-11-21 17:05:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:05:08,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473312821] [2022-11-21 17:05:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:05:08,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:05:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:05:08,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:05:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:05:08,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:05:08,755 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:05:08,757 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 17:05:08,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 17:05:08,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:05:08,764 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 17:05:08,769 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:05:08,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:05:08 BoogieIcfgContainer [2022-11-21 17:05:08,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:05:08,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:05:08,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:05:08,808 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:05:08,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:07" (3/4) ... [2022-11-21 17:05:08,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:05:08,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:05:08,813 INFO L158 Benchmark]: Toolchain (without parser) took 2691.05ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 118.9MB in the beginning and 105.0MB in the end (delta: 13.9MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2022-11-21 17:05:08,813 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:05:08,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.28ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 118.6MB in the beginning and 160.6MB in the end (delta: -42.0MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-11-21 17:05:08,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.55ms. Allocated memory is still 201.3MB. Free memory was 160.6MB in the beginning and 157.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:05:08,815 INFO L158 Benchmark]: Boogie Preprocessor took 33.96ms. Allocated memory is still 201.3MB. Free memory was 157.5MB in the beginning and 156.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:05:08,815 INFO L158 Benchmark]: RCFGBuilder took 371.97ms. Allocated memory is still 201.3MB. Free memory was 156.5MB in the beginning and 141.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 17:05:08,816 INFO L158 Benchmark]: TraceAbstraction took 867.28ms. Allocated memory is still 201.3MB. Free memory was 141.7MB in the beginning and 105.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-21 17:05:08,816 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 201.3MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:05:08,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.28ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 118.6MB in the beginning and 160.6MB in the end (delta: -42.0MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.55ms. Allocated memory is still 201.3MB. Free memory was 160.6MB in the beginning and 157.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.96ms. Allocated memory is still 201.3MB. Free memory was 157.5MB in the beginning and 156.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.97ms. Allocated memory is still 201.3MB. Free memory was 156.5MB in the beginning and 141.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 867.28ms. Allocated memory is still 201.3MB. Free memory was 141.7MB in the beginning and 105.0MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 201.3MB. Free memory is still 105.0MB. 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1073741824, rand()=2, rand()=32768, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [\old(data)=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=-1073741825, data=-1073741825, 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: 1583]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 35 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 [2022-11-21 17:05:08,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 --- 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-b5237d8 [2022-11-21 17:05:11,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:05:11,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:05:11,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:05:11,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:05:11,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:05:11,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:05:11,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:05:11,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:05:11,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:05:11,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:05:11,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:05:11,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:05:11,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:05:11,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:05:11,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:05:11,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:05:11,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:05:11,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:05:11,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:05:11,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:05:11,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:05:11,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:05:11,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:05:11,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:05:11,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:05:11,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:05:11,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:05:11,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:05:11,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:05:11,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:05:11,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:05:11,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:05:11,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:05:11,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:05:11,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:05:11,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:05:11,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:05:11,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:05:11,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:05:11,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:05:11,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 17:05:11,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:05:11,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:05:11,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:05:11,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:05:11,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:05:11,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:05:11,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:05:11,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:05:11,584 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:05:11,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:05:11,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:05:11,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:05:11,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:05:11,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:05:11,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:05:11,587 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:05:11,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:05:11,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:05:11,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:05:11,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:05:11,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:05:11,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:05:11,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:05:11,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:05:11,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:05:11,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:05:11,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:05:11,590 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:05:11,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:05:11,591 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:05:11,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:05:11,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:05:11,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:05:11,592 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_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a48bffd8a7308be9046d820e21c7a474ff74f6db027c73c91166d65332900659 [2022-11-21 17:05:11,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:05:11,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:05:12,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:05:12,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:05:12,002 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:05:12,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2022-11-21 17:05:15,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:05:15,633 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:05:15,634 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2022-11-21 17:05:15,659 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data/578ab6b2c/a135450d4dea42be83e3a69e280ef0ad/FLAGb11110724 [2022-11-21 17:05:15,688 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/data/578ab6b2c/a135450d4dea42be83e3a69e280ef0ad [2022-11-21 17:05:15,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:05:15,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:05:15,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:05:15,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:05:15,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:05:15,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:05:15" (1/1) ... [2022-11-21 17:05:15,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6ce903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:15, skipping insertion in model container [2022-11-21 17:05:15,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:05:15" (1/1) ... [2022-11-21 17:05:15,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:05:15,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:05:16,201 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:05:16,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:05:16,723 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:05:16,756 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:05:16,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:05:17,041 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:05:17,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17 WrapperNode [2022-11-21 17:05:17,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:05:17,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:05:17,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:05:17,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:05:17,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,114 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61 [2022-11-21 17:05:17,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:05:17,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:05:17,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:05:17,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:05:17,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:05:17,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:05:17,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:05:17,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:05:17,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (1/1) ... [2022-11-21 17:05:17,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:05:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:05:17,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:05:17,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:05:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:05:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:05:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:05:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:05:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:05:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:05:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:05:17,484 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:05:17,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:05:17,607 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:05:17,613 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:05:17,613 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:05:17,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:17 BoogieIcfgContainer [2022-11-21 17:05:17,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:05:17,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:05:17,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:05:17,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:05:17,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:05:15" (1/3) ... [2022-11-21 17:05:17,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473eaa59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:05:17, skipping insertion in model container [2022-11-21 17:05:17,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:17" (2/3) ... [2022-11-21 17:05:17,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473eaa59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:05:17, skipping insertion in model container [2022-11-21 17:05:17,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:17" (3/3) ... [2022-11-21 17:05:17,625 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_54_bad.i [2022-11-21 17:05:17,644 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:05:17,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 17:05:17,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473eaa59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:05:17, skipping insertion in model container [2022-11-21 17:05:17,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:05:17,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:05:17,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:05:17,647 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:05:17,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:17" (3/3) ... [2022-11-21 17:05:17,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:05:17,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 17:05:17,662 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-21 17:05:17,663 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 17:05:17,663 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:05:17,663 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:05:17,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:05:17,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:05:17,720 INFO L158 Benchmark]: Toolchain (without parser) took 2028.00ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.2MB in the beginning and 45.9MB in the end (delta: -8.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,720 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:05:17,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.19ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.1MB in the beginning and 48.1MB in the end (delta: -11.0MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.36ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 44.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,722 INFO L158 Benchmark]: Boogie Preprocessor took 30.38ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 42.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,723 INFO L158 Benchmark]: RCFGBuilder took 469.19ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 52.0MB in the end (delta: -9.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,723 INFO L158 Benchmark]: TraceAbstraction took 28.63ms. Allocated memory is still 86.0MB. Free memory was 51.1MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,726 INFO L158 Benchmark]: Witness Printer took 71.52ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 45.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:05:17,732 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 69.2MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.19ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 37.1MB in the beginning and 48.1MB in the end (delta: -11.0MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.36ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 44.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.38ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 42.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.19ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 52.0MB in the end (delta: -9.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * TraceAbstraction took 28.63ms. Allocated memory is still 86.0MB. Free memory was 51.1MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 71.52ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 45.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-21 17:05:17,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ff814-ac6e-4f45-bd30-78979db8cd55/bin/uautomizer-vX5HgA9Q3a/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 Writing output log to file Ultimate.log Result: TRUE