./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8 --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 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 --- 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-2329fc7 [2022-12-13 20:09:44,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:09:44,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:09:44,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:09:44,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:09:44,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:09:44,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:09:44,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:09:44,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:09:44,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:09:44,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:09:44,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:09:44,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:09:44,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:09:44,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:09:44,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:09:44,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:09:44,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:09:44,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:09:44,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:09:44,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:09:44,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:09:44,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:09:44,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:09:44,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:09:44,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:09:44,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:09:44,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:09:44,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:09:44,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:09:44,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:09:44,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:09:44,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:09:44,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:09:44,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:09:44,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:09:44,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:09:44,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:09:44,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:09:44,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:09:44,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:09:44,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:09:44,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:09:44,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:09:44,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:09:44,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:09:44,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:09:44,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:09:44,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:09:44,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:09:44,615 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:09:44,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:09:44,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:09:44,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:09:44,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:09:44,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:09:44,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:09:44,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:09:44,617 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:09:44,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:09:44,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:09:44,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:09:44,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:09:44,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:09:44,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:09:44,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:09:44,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:09:44,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:09:44,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:09:44,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:09:44,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:09:44,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:09:44,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:09:44,619 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:09:44,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:09:44,619 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:09:44,619 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 [2022-12-13 20:09:44,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:09:44,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:09:44,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:09:44,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:09:44,834 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:09:44,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2022-12-13 20:09:47,494 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:09:47,738 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:09:47,739 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2022-12-13 20:09:47,755 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data/9679638c3/550b83fb827e4cd4bae0d198770deaef/FLAGc4b433513 [2022-12-13 20:09:47,769 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data/9679638c3/550b83fb827e4cd4bae0d198770deaef [2022-12-13 20:09:47,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:09:47,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:09:47,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:47,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:09:47,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:09:47,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:47" (1/1) ... [2022-12-13 20:09:47,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477103aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:47, skipping insertion in model container [2022-12-13 20:09:47,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:47" (1/1) ... [2022-12-13 20:09:47,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:09:47,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:09:48,040 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:09:48,305 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:09:48,309 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:48,311 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:48,313 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:48,313 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:48,332 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:09:48,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:09:48,340 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:09:48,356 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:09:48,398 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:09:48,399 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:48,400 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:48,402 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:48,402 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:48,407 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:09:48,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:09:48,563 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:09:48,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48 WrapperNode [2022-12-13 20:09:48,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:48,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:09:48,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:09:48,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:09:48,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,613 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 20:09:48,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:09:48,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:09:48,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:09:48,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:09:48,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:09:48,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:09:48,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:09:48,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:09:48,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (1/1) ... [2022-12-13 20:09:48,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:09:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:09:48,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:09:48,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:09:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:09:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:09:48,827 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:09:48,829 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:09:48,965 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:09:48,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:09:48,971 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:09:48,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:09:48 BoogieIcfgContainer [2022-12-13 20:09:48,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:09:48,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:09:48,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:09:48,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:09:48,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:09:47" (1/3) ... [2022-12-13 20:09:48,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416a8544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:09:48, skipping insertion in model container [2022-12-13 20:09:48,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:48" (2/3) ... [2022-12-13 20:09:48,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416a8544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:09:48, skipping insertion in model container [2022-12-13 20:09:48,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:09:48" (3/3) ... [2022-12-13 20:09:48,981 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2022-12-13 20:09:48,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:09:48,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:09:49,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:09:49,033 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;@16024b0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:09:49,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:09:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:09:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:09:49,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:09:49,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:09:49,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:09:49,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:09:49,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1258159597, now seen corresponding path program 1 times [2022-12-13 20:09:49,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:09:49,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427773975] [2022-12-13 20:09:49,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:09:49,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:09:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:09:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:09:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:09:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:09:49,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:09:49,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427773975] [2022-12-13 20:09:49,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427773975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:09:49,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:09:49,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:09:49,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999623251] [2022-12-13 20:09:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:09:49,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:09:49,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:09:49,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:09:49,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:09:49,277 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:09:49,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:09:49,299 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-12-13 20:09:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:09:49,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 20:09:49,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:09:49,306 INFO L225 Difference]: With dead ends: 41 [2022-12-13 20:09:49,306 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 20:09:49,308 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 [2022-12-13 20:09:49,310 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:09:49,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:09:49,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 20:09:49,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 20:09:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 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) [2022-12-13 20:09:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-13 20:09:49,333 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-12-13 20:09:49,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:09:49,334 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-13 20:09:49,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:09:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-13 20:09:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 20:09:49,334 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:09:49,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:09:49,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:09:49,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:09:49,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:09:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1822236216, now seen corresponding path program 1 times [2022-12-13 20:09:49,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:09:49,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324354227] [2022-12-13 20:09:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:09:49,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:09:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:09:49,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:09:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:09:49,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:09:49,445 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:09:49,446 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:09:49,448 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:09:49,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:09:49,452 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:09:49,455 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:09:49,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:09:49 BoogieIcfgContainer [2022-12-13 20:09:49,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:09:49,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:09:49,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:09:49,483 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:09:49,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:09:48" (3/4) ... [2022-12-13 20:09:49,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:09:49,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:09:49,487 INFO L158 Benchmark]: Toolchain (without parser) took 1714.19ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 85.8MB in the beginning and 99.5MB in the end (delta: -13.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:49,487 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:49,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.76ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 85.8MB in the beginning and 98.7MB in the end (delta: -12.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-12-13 20:09:49,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 95.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:09:49,488 INFO L158 Benchmark]: Boogie Preprocessor took 23.88ms. Allocated memory is still 157.3MB. Free memory was 95.3MB in the beginning and 94.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:49,488 INFO L158 Benchmark]: RCFGBuilder took 334.47ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 80.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:09:49,489 INFO L158 Benchmark]: TraceAbstraction took 507.09ms. Allocated memory is still 157.3MB. Free memory was 79.8MB in the beginning and 100.5MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:49,489 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:49,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.76ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 85.8MB in the beginning and 98.7MB in the end (delta: -12.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 95.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.88ms. Allocated memory is still 157.3MB. Free memory was 95.3MB in the beginning and 94.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.47ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 80.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 507.09ms. Allocated memory is still 157.3MB. Free memory was 79.8MB in the beginning and 100.5MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1560]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_10_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [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 [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()=0, rand()=1, rand()=4, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 2 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, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 [2022-12-13 20:09:49,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/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_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8 --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 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 --- 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-2329fc7 [2022-12-13 20:09:51,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:09:51,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:09:51,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:09:51,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:09:51,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:09:51,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:09:51,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:09:51,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:09:51,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:09:51,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:09:51,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:09:51,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:09:51,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:09:51,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:09:51,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:09:51,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:09:51,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:09:51,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:09:51,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:09:51,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:09:51,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:09:51,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:09:51,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:09:51,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:09:51,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:09:51,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:09:51,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:09:51,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:09:51,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:09:51,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:09:51,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:09:51,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:09:51,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:09:51,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:09:51,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:09:51,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:09:51,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:09:51,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:09:51,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:09:51,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:09:51,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 20:09:51,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:09:51,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:09:51,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:09:51,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:09:51,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:09:51,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:09:51,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:09:51,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:09:51,077 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:09:51,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:09:51,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:09:51,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:09:51,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:09:51,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:09:51,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:09:51,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:09:51,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:09:51,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:09:51,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:09:51,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:09:51,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:09:51,080 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:09:51,081 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 [2022-12-13 20:09:51,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:09:51,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:09:51,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:09:51,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:09:51,314 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:09:51,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2022-12-13 20:09:53,941 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:09:54,215 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:09:54,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2022-12-13 20:09:54,233 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data/28622ff6d/a1a65d20ddd14eb582f1d551f7ed7cb2/FLAGf4d04806b [2022-12-13 20:09:54,245 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/data/28622ff6d/a1a65d20ddd14eb582f1d551f7ed7cb2 [2022-12-13 20:09:54,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:09:54,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:09:54,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:54,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:09:54,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:09:54,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:54" (1/1) ... [2022-12-13 20:09:54,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492bcbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:54, skipping insertion in model container [2022-12-13 20:09:54,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:54" (1/1) ... [2022-12-13 20:09:54,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:09:54,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:09:54,593 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:09:54,948 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:09:54,952 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:54,953 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:54,955 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:54,955 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:54,972 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:09:54,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:09:54,986 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:09:55,005 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:09:55,051 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:09:55,053 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:55,054 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:09:55,056 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:55,057 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:09:55,062 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:09:55,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:09:55,162 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:09:55,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55 WrapperNode [2022-12-13 20:09:55,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:55,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:09:55,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:09:55,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:09:55,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,200 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 20:09:55,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:09:55,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:09:55,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:09:55,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:09:55,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:09:55,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:09:55,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:09:55,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:09:55,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (1/1) ... [2022-12-13 20:09:55,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:09:55,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:09:55,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:09:55,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:09:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:09:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:09:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:09:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:09:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:09:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:09:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:09:55,392 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:09:55,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:09:55,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:09:55,512 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:09:55,512 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:09:55,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:09:55 BoogieIcfgContainer [2022-12-13 20:09:55,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:09:55,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:09:55,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:09:55,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:09:55,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:09:54" (1/3) ... [2022-12-13 20:09:55,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dd50d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:09:55, skipping insertion in model container [2022-12-13 20:09:55,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:55" (2/3) ... [2022-12-13 20:09:55,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dd50d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:09:55, skipping insertion in model container [2022-12-13 20:09:55,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:09:55" (3/3) ... [2022-12-13 20:09:55,523 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2022-12-13 20:09:55,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:09:55,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:09:55,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:09:55,597 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;@6d6bfd44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:09:55,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:09:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:09:55,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:09:55,605 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:09:55,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:09:55,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:09:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:09:55,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1258159597, now seen corresponding path program 1 times [2022-12-13 20:09:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:09:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14091969] [2022-12-13 20:09:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:09:55,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:09:55,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:09:55,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:09:55,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 20:09:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:09:55,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:09:55,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:09:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:09:55,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:09:55,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:09:55,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14091969] [2022-12-13 20:09:55,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14091969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:09:55,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:09:55,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:09:55,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380173959] [2022-12-13 20:09:55,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:09:55,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:09:55,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:09:55,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:09:55,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:09:55,792 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:09:55,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:09:55,814 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-12-13 20:09:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:09:55,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 20:09:55,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:09:55,822 INFO L225 Difference]: With dead ends: 41 [2022-12-13 20:09:55,822 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 20:09:55,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:09:55,828 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:09:55,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:09:55,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 20:09:55,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 20:09:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 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) [2022-12-13 20:09:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-12-13 20:09:55,857 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-12-13 20:09:55,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:09:55,858 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-12-13 20:09:55,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:09:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-13 20:09:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 20:09:55,859 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:09:55,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:09:55,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:09:56,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:09:56,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:09:56,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:09:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1822236216, now seen corresponding path program 1 times [2022-12-13 20:09:56,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:09:56,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388888935] [2022-12-13 20:09:56,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:09:56,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:09:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:09:56,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:09:56,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 20:09:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:09:56,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:09:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:09:56,248 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 20:09:56,248 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:09:56,250 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:09:56,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:09:56,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 20:09:56,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:09:56,462 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:09:56,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:09:56,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:09:56 BoogieIcfgContainer [2022-12-13 20:09:56,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:09:56,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:09:56,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:09:56,527 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:09:56,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:09:55" (3/4) ... [2022-12-13 20:09:56,530 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:09:56,565 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:09:56,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:09:56,566 INFO L158 Benchmark]: Toolchain (without parser) took 2317.77ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 43.2MB in the end (delta: 11.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-12-13 20:09:56,566 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:56,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.58ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 52.1MB in the end (delta: 2.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-12-13 20:09:56,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.40ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 48.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:56,568 INFO L158 Benchmark]: Boogie Preprocessor took 20.33ms. Allocated memory is still 79.7MB. Free memory was 48.7MB in the beginning and 46.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:56,568 INFO L158 Benchmark]: RCFGBuilder took 293.16ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 33.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:09:56,568 INFO L158 Benchmark]: TraceAbstraction took 1009.86ms. Allocated memory is still 79.7MB. Free memory was 32.9MB in the beginning and 45.3MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:56,569 INFO L158 Benchmark]: Witness Printer took 38.40ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:56,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.58ms. Allocated memory is still 79.7MB. Free memory was 54.7MB in the beginning and 52.1MB in the end (delta: 2.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.40ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 48.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.33ms. Allocated memory is still 79.7MB. Free memory was 48.7MB in the beginning and 46.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.16ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 33.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1009.86ms. Allocated memory is still 79.7MB. Free memory was 32.9MB in the beginning and 45.3MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.40ms. Allocated memory is still 79.7MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_10_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(globalTrue) [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 [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()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:09:56,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d16537-51d0-43ed-812b-4cc6ac238d57/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)