./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN --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 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:35,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:35,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:35,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:35,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:35,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:35,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:35,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:35,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:35,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:35,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:35,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:35,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:35,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:35,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:35,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:35,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:35,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:35,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:35,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:35,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:35,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:35,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:35,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:35,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:35,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:35,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:35,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:35,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:35,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:35,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:35,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:35,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:35,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:35,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:35,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:35,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:35,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:35,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:35,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:35,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:35,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 11:37:35,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:35,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:35,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:35,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:35,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:35,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:35,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:35,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:35,591 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:35,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:35,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:37:35,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:37:35,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:35,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:35,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:35,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:35,595 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:37:35,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:35,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:35,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:35,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:35,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:35,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:35,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:35,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:35,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:35,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:35,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:37:35,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:37:35,599 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:35,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:35,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:35,600 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_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 [2022-11-20 11:37:35,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:35,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:35,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:35,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:35,954 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:35,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-11-20 11:37:39,094 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:37:39,582 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:37:39,583 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-11-20 11:37:39,615 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data/6a9c91188/d9e8070f6f4446baaa153e21eaa69334/FLAG255671eca [2022-11-20 11:37:39,636 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data/6a9c91188/d9e8070f6f4446baaa153e21eaa69334 [2022-11-20 11:37:39,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:37:39,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:37:39,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:39,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:37:39,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:37:39,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:39" (1/1) ... [2022-11-20 11:37:39,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f861cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:39, skipping insertion in model container [2022-11-20 11:37:39,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:39" (1/1) ... [2022-11-20 11:37:39,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:37:39,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:40,177 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:37:40,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:40,927 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:37:40,950 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:37:41,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:41,112 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:37:41,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41 WrapperNode [2022-11-20 11:37:41,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:41,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:41,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:37:41,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:37:41,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,176 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-20 11:37:41,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:41,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:37:41,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:37:41,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:37:41,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:37:41,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:37:41,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:37:41,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:37:41,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (1/1) ... [2022-11-20 11:37:41,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:41,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:41,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:37:41,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:37:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 11:37:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 11:37:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:37:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:37:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:37:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 11:37:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:37:41,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:37:41,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:37:41,724 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:37:41,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:37:41,745 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:37:41,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:41 BoogieIcfgContainer [2022-11-20 11:37:41,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:37:41,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:37:41,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:37:41,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:37:41,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:39" (1/3) ... [2022-11-20 11:37:41,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1377b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:41, skipping insertion in model container [2022-11-20 11:37:41,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:41" (2/3) ... [2022-11-20 11:37:41,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1377b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:41, skipping insertion in model container [2022-11-20 11:37:41,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:41" (3/3) ... [2022-11-20 11:37:41,770 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-11-20 11:37:41,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:37:41,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 11:37:41,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:37:41,908 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;@fad2275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:37:41,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 11:37:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:37:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 11:37:41,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:41,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:41,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 11:37:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160033, now seen corresponding path program 1 times [2022-11-20 11:37:41,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:41,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764076184] [2022-11-20 11:37:41,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:41,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:37:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:42,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:42,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764076184] [2022-11-20 11:37:42,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764076184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:42,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:42,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:37:42,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549568885] [2022-11-20 11:37:42,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:42,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:37:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:42,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:37:42,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:37:42,495 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 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 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:37:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:42,526 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-20 11:37:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:37:42,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-20 11:37:42,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:42,542 INFO L225 Difference]: With dead ends: 31 [2022-11-20 11:37:42,548 INFO L226 Difference]: Without dead ends: 15 [2022-11-20 11:37:42,552 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 [2022-11-20 11:37:42,556 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 49 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 [2022-11-20 11:37:42,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 49 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:42,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-20 11:37:42,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-20 11:37:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:37:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-20 11:37:42,597 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-11-20 11:37:42,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:42,598 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-20 11:37:42,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:37:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-20 11:37:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 11:37:42,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:42,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:42,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:37:42,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 11:37:42,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:42,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1312189892, now seen corresponding path program 1 times [2022-11-20 11:37:42,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:42,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793196415] [2022-11-20 11:37:42,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:42,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:37:42,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:37:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:37:42,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:37:42,712 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:37:42,714 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 11:37:42,716 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 11:37:42,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:37:42,721 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 11:37:42,725 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:37:42,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:37:42 BoogieIcfgContainer [2022-11-20 11:37:42,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:37:42,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:37:42,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:37:42,768 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:37:42,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:41" (3/4) ... [2022-11-20 11:37:42,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:37:42,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:37:42,773 INFO L158 Benchmark]: Toolchain (without parser) took 3131.36ms. Allocated memory is still 201.3MB. Free memory was 163.0MB in the beginning and 137.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-11-20 11:37:42,774 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 148.9MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:42,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.37ms. Allocated memory is still 201.3MB. Free memory was 163.0MB in the beginning and 105.4MB in the end (delta: 57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-20 11:37:42,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.43ms. Allocated memory is still 201.3MB. Free memory was 105.4MB in the beginning and 102.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:42,783 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 201.3MB. Free memory was 102.1MB in the beginning and 100.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:42,783 INFO L158 Benchmark]: RCFGBuilder took 530.45ms. Allocated memory is still 201.3MB. Free memory was 100.3MB in the beginning and 86.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:37:42,784 INFO L158 Benchmark]: TraceAbstraction took 1016.96ms. Allocated memory is still 201.3MB. Free memory was 85.6MB in the beginning and 137.3MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:42,784 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 201.3MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:42,786 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 148.9MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.37ms. Allocated memory is still 201.3MB. Free memory was 163.0MB in the beginning and 105.4MB in the end (delta: 57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.43ms. Allocated memory is still 201.3MB. Free memory was 105.4MB in the beginning and 102.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 201.3MB. Free memory was 102.1MB in the beginning and 100.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.45ms. Allocated memory is still 201.3MB. Free memory was 100.3MB in the beginning and 86.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1016.96ms. Allocated memory is still 201.3MB. Free memory was 85.6MB in the beginning and 137.3MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 201.3MB. Free memory is still 137.3MB. 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741825:1073741827}, argv={1073741825:1073741827}, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=0, 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()=1, rand()=0, rand()=1073741824, rand()=32767, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal) VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1571] COND TRUE data < 0 VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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] [L1573] data * 2 VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 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=24occurred 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 11:37:42,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/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_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN --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 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:45,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:45,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:45,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:45,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:45,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:45,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:45,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:45,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:45,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:45,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:45,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:45,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:45,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:45,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:45,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:45,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:45,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:45,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:45,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:45,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:45,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:45,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:45,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:45,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:45,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:45,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:45,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:45,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:45,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:45,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:45,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:45,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:45,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:45,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:45,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:45,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:45,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:45,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:45,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:45,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:45,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 11:37:45,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:45,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:45,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:45,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:45,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:45,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:45,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:45,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:45,777 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:45,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:45,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:45,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:45,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:45,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:45,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:37:45,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:37:45,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:37:45,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:45,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:45,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:45,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:45,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:45,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:45,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:45,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:45,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:45,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:45,783 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:37:45,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:37:45,783 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:45,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:45,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:45,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:37:45,784 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_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 123eda751355198532204d328bbf03baadaf16411876b1916ea0e01d0e0ef296 [2022-11-20 11:37:46,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:46,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:46,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:46,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:46,245 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:46,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-11-20 11:37:49,559 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:37:50,012 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:37:50,013 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-11-20 11:37:50,058 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data/a0b60a842/4ef7fab1da1b4444ae66339306e0d766/FLAGf09a314a3 [2022-11-20 11:37:50,075 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/data/a0b60a842/4ef7fab1da1b4444ae66339306e0d766 [2022-11-20 11:37:50,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:37:50,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:37:50,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:50,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:37:50,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:37:50,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:50" (1/1) ... [2022-11-20 11:37:50,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7808c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:50, skipping insertion in model container [2022-11-20 11:37:50,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:50" (1/1) ... [2022-11-20 11:37:50,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:37:50,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:50,760 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:37:51,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:51,443 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:37:51,462 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:37:51,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:51,674 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:37:51,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51 WrapperNode [2022-11-20 11:37:51,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:51,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:51,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:37:51,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:37:51,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,780 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2022-11-20 11:37:51,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:51,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:37:51,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:37:51,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:37:51,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:37:51,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:37:51,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:37:51,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:37:51,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (1/1) ... [2022-11-20 11:37:51,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:51,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:51,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:37:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:37:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 11:37:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 11:37:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:37:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:37:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:37:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:37:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 11:37:52,198 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:37:52,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:37:52,353 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:37:52,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:37:52,363 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:37:52,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:52 BoogieIcfgContainer [2022-11-20 11:37:52,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:37:52,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:37:52,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:37:52,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:37:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:50" (1/3) ... [2022-11-20 11:37:52,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3653bd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:52, skipping insertion in model container [2022-11-20 11:37:52,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:51" (2/3) ... [2022-11-20 11:37:52,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3653bd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:52, skipping insertion in model container [2022-11-20 11:37:52,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:52" (3/3) ... [2022-11-20 11:37:52,381 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_22_bad.i [2022-11-20 11:37:52,402 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:37:52,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 11:37:52,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3653bd1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:37:52, skipping insertion in model container [2022-11-20 11:37:52,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:37:52,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:37:52,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:37:52,406 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:37:52,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:52" (3/3) ... [2022-11-20 11:37:52,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:37:52,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 11:37:52,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 11:37:52,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 11:37:52,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:37:52,428 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:37:52,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:37:52,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:37:52,476 INFO L158 Benchmark]: Toolchain (without parser) took 2395.87ms. Allocated memory is still 86.0MB. Free memory was 60.4MB in the beginning and 45.1MB in the end (delta: 15.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-20 11:37:52,476 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:52,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1591.30ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 43.3MB in the end (delta: 16.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-11-20 11:37:52,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.78ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 40.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:52,478 INFO L158 Benchmark]: Boogie Preprocessor took 32.32ms. Allocated memory is still 86.0MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:52,479 INFO L158 Benchmark]: RCFGBuilder took 550.56ms. Allocated memory is still 86.0MB. Free memory was 38.3MB in the beginning and 51.0MB in the end (delta: -12.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-11-20 11:37:52,479 INFO L158 Benchmark]: TraceAbstraction took 37.19ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 48.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:52,480 INFO L158 Benchmark]: Witness Printer took 69.02ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 45.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:37:52,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1591.30ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 43.3MB in the end (delta: 16.9MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.78ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 40.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.32ms. Allocated memory is still 86.0MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.56ms. Allocated memory is still 86.0MB. Free memory was 38.3MB in the beginning and 51.0MB in the end (delta: -12.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 37.19ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 48.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.02ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 45.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. 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! [2022-11-20 11:37:52,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16fee8d8-6d8a-42f4-8776-a334df538ba7/bin/uautomizer-ug76WZFUDN/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 Result: TRUE