./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/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_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/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_d9644ea7-270e-44cd-9eeb-3393aec50743/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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- 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 17:25:14,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:25:14,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:25:14,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:25:14,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:25:14,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:25:14,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:25:14,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:25:14,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:25:14,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:25:14,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:25:14,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:25:14,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:25:14,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:25:14,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:25:14,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:25:14,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:25:14,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:25:14,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:25:14,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:25:14,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:25:14,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:25:14,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:25:14,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:25:14,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:25:14,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:25:14,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:25:14,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:25:14,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:25:14,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:25:14,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:25:14,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:25:14,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:25:14,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:25:14,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:25:14,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:25:14,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:25:14,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:25:14,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:25:14,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:25:14,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:25:14,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 17:25:14,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:25:14,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:25:14,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:25:14,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:25:14,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:25:14,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:25:14,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:25:14,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:25:14,305 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:25:14,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:25:14,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:25:14,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:25:14,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:25:14,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:25:14,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:25:14,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:25:14,308 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:25:14,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:25:14,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:25:14,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:25:14,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:25:14,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:25:14,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:25:14,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:25:14,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:25:14,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:25:14,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:25:14,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:25:14,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:25:14,312 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:25:14,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:25:14,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:25:14,313 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_d9644ea7-270e-44cd-9eeb-3393aec50743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2022-11-21 17:25:14,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:25:14,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:25:14,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:25:14,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:25:14,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:25:14,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-21 17:25:17,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:25:18,092 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:25:18,097 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-21 17:25:18,120 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data/557443ee0/19af6ed5c2be403eb22c03d5b769b0ed/FLAG1fae329fa [2022-11-21 17:25:18,141 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data/557443ee0/19af6ed5c2be403eb22c03d5b769b0ed [2022-11-21 17:25:18,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:25:18,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:25:18,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:25:18,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:25:18,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:25:18,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:18" (1/1) ... [2022-11-21 17:25:18,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2409c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:18, skipping insertion in model container [2022-11-21 17:25:18,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:18" (1/1) ... [2022-11-21 17:25:18,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:25:18,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:25:18,723 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:25:19,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:25:19,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:25:19,351 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:25:19,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:25:19,577 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:25:19,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19 WrapperNode [2022-11-21 17:25:19,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:25:19,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:25:19,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:25:19,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:25:19,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,652 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-21 17:25:19,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:25:19,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:25:19,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:25:19,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:25:19,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:25:19,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:25:19,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:25:19,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:25:19,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (1/1) ... [2022-11-21 17:25:19,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:25:19,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:25:19,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:25:19,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:25:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:25:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:25:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:25:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:25:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:25:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:25:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:25:19,966 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:25:19,968 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:25:20,158 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:25:20,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:25:20,164 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:25:20,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:20 BoogieIcfgContainer [2022-11-21 17:25:20,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:25:20,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:25:20,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:25:20,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:25:20,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:25:18" (1/3) ... [2022-11-21 17:25:20,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f60c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:25:20, skipping insertion in model container [2022-11-21 17:25:20,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:19" (2/3) ... [2022-11-21 17:25:20,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f60c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:25:20, skipping insertion in model container [2022-11-21 17:25:20,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:20" (3/3) ... [2022-11-21 17:25:20,197 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-21 17:25:20,220 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:25:20,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 17:25:20,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:25:20,270 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;@4bfe4b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:25:20,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 17:25:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 17:25:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 17:25:20,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:20,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:20,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:25:20,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2022-11-21 17:25:20,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:20,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008912930] [2022-11-21 17:25:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:20,684 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 17:25:20,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:20,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008912930] [2022-11-21 17:25:20,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008912930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:20,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:20,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:25:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304684005] [2022-11-21 17:25:20,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:20,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:25:20,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:25:20,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:25:20,733 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) [2022-11-21 17:25:20,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:20,765 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-21 17:25:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:25:20,781 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 [2022-11-21 17:25:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:20,788 INFO L225 Difference]: With dead ends: 29 [2022-11-21 17:25:20,788 INFO L226 Difference]: Without dead ends: 15 [2022-11-21 17:25:20,791 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 17:25:20,794 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:20,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 46 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:25:20,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-21 17:25:20,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-21 17:25:20,830 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) [2022-11-21 17:25:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-21 17:25:20,833 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-11-21 17:25:20,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:20,833 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-21 17:25:20,835 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) [2022-11-21 17:25:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-21 17:25:20,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:25:20,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:20,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:20,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:25:20,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:25:20,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash 341322888, now seen corresponding path program 1 times [2022-11-21 17:25:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:20,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726096926] [2022-11-21 17:25:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:20,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:25:20,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:25:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:25:21,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:25:21,024 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:25:21,026 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 17:25:21,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 17:25:21,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:25:21,032 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 17:25:21,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:25:21,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:25:21 BoogieIcfgContainer [2022-11-21 17:25:21,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:25:21,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:25:21,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:25:21,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:25:21,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:20" (3/4) ... [2022-11-21 17:25:21,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:25:21,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:25:21,100 INFO L158 Benchmark]: Toolchain (without parser) took 2950.83ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 90.8MB in the end (delta: 31.0MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-11-21 17:25:21,100 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:25:21,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.64ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 70.2MB in the end (delta: 51.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-21 17:25:21,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.38ms. Allocated memory is still 159.4MB. Free memory was 70.2MB in the beginning and 67.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:25:21,108 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 159.4MB. Free memory was 67.2MB in the beginning and 65.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:25:21,108 INFO L158 Benchmark]: RCFGBuilder took 485.98ms. Allocated memory is still 159.4MB. Free memory was 65.3MB in the beginning and 126.5MB in the end (delta: -61.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-11-21 17:25:21,109 INFO L158 Benchmark]: TraceAbstraction took 900.67ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 91.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 17:25:21,109 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 159.4MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:25:21,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.64ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 70.2MB in the end (delta: 51.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.38ms. Allocated memory is still 159.4MB. Free memory was 70.2MB in the beginning and 67.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 159.4MB. Free memory was 67.2MB in the beginning and 65.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.98ms. Allocated memory is still 159.4MB. Free memory was 65.3MB in the beginning and 126.5MB in the end (delta: -61.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 900.67ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 91.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 159.4MB. Free memory is still 90.8MB. 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1570, overapproximation of bitwiseAnd at line 1570. 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] [L1563] 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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741825:1073741827}, argv={1073741825:1073741827}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=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()=1073741824, rand()=0, rand()=32768, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [\old(data)=0, \result=-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] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [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] [L1556] data * 2 VAL [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: 1556]: 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, 23 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 6 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=23occurred 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, 0.3s 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 [2022-11-21 17:25:21,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/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_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/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_d9644ea7-270e-44cd-9eeb-3393aec50743/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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- 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 17:25:23,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:25:23,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:25:23,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:25:23,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:25:23,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:25:23,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:25:23,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:25:23,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:25:23,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:25:23,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:25:23,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:25:23,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:25:23,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:25:23,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:25:23,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:25:23,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:25:23,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:25:23,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:25:23,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:25:23,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:25:23,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:25:23,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:25:23,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:25:23,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:25:23,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:25:23,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:25:23,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:25:23,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:25:23,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:25:23,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:25:23,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:25:23,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:25:23,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:25:23,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:25:23,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:25:23,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:25:23,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:25:23,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:25:23,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:25:23,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:25:23,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 17:25:23,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:25:23,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:25:23,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:25:23,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:25:23,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:25:23,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:25:23,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:25:23,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:25:23,681 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:25:23,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:25:23,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:25:23,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:25:23,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:25:23,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:25:23,683 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:25:23,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:25:23,684 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:25:23,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:25:23,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:25:23,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:25:23,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:25:23,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:25:23,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:25:23,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:25:23,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:25:23,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:25:23,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:25:23,687 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:25:23,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:25:23,687 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:25:23,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:25:23,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:25:23,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:25:23,688 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_d9644ea7-270e-44cd-9eeb-3393aec50743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2022-11-21 17:25:24,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:25:24,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:25:24,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:25:24,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:25:24,108 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:25:24,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-21 17:25:27,302 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:25:27,741 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:25:27,741 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-21 17:25:27,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data/7eb92c4b1/233f0179351740e6984bb6f40033dbd7/FLAGd530e51f0 [2022-11-21 17:25:27,784 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/data/7eb92c4b1/233f0179351740e6984bb6f40033dbd7 [2022-11-21 17:25:27,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:25:27,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:25:27,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:25:27,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:25:27,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:25:27,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:27" (1/1) ... [2022-11-21 17:25:27,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a8afae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:27, skipping insertion in model container [2022-11-21 17:25:27,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:27" (1/1) ... [2022-11-21 17:25:27,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:25:27,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:25:28,291 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:25:28,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:25:28,922 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:25:28,960 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:25:29,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:25:29,272 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:25:29,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29 WrapperNode [2022-11-21 17:25:29,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:25:29,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:25:29,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:25:29,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:25:29,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,345 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-11-21 17:25:29,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:25:29,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:25:29,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:25:29,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:25:29,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:25:29,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:25:29,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:25:29,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:25:29,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (1/1) ... [2022-11-21 17:25:29,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:25:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:25:29,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:25:29,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:25:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:25:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:25:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:25:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:25:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:25:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:25:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:25:29,680 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:25:29,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:25:29,859 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:25:29,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:25:29,865 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:25:29,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:29 BoogieIcfgContainer [2022-11-21 17:25:29,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:25:29,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:25:29,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:25:29,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:25:29,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:25:27" (1/3) ... [2022-11-21 17:25:29,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039ea02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:25:29, skipping insertion in model container [2022-11-21 17:25:29,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:29" (2/3) ... [2022-11-21 17:25:29,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039ea02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:25:29, skipping insertion in model container [2022-11-21 17:25:29,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:29" (3/3) ... [2022-11-21 17:25:29,893 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-21 17:25:29,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:25:29,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 17:25:29,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039ea02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:25:29, skipping insertion in model container [2022-11-21 17:25:29,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:25:29,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:25:29,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:25:29,917 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:25:29,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:29" (3/3) ... [2022-11-21 17:25:29,921 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:25:29,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 17:25:29,938 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 17:25:29,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 17:25:29,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:25:29,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:25:29,995 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:25:29,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:25:29,998 INFO L158 Benchmark]: Toolchain (without parser) took 2209.86ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 64.2MB in the beginning and 78.3MB in the end (delta: -14.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2022-11-21 17:25:29,999 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 90.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:25:29,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.49ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 63.9MB in the beginning and 102.8MB in the end (delta: -38.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2022-11-21 17:25:30,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.79ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:25:30,001 INFO L158 Benchmark]: Boogie Preprocessor took 30.98ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:25:30,001 INFO L158 Benchmark]: RCFGBuilder took 489.04ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 83.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:25:30,002 INFO L158 Benchmark]: TraceAbstraction took 45.34ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 81.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:25:30,002 INFO L158 Benchmark]: Witness Printer took 80.50ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 78.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:25:30,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 90.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.49ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 63.9MB in the beginning and 102.8MB in the end (delta: -38.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.79ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.98ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.04ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 83.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 45.34ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 81.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 80.50ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 78.3MB in the end (delta: 3.4MB). 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! [2022-11-21 17:25:30,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9644ea7-270e-44cd-9eeb-3393aec50743/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 Writing output log to file Ultimate.log Result: TRUE