./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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 c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 --- 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 15:22:00,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:22:00,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:22:00,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:22:00,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:22:00,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:22:00,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:22:00,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:22:00,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:22:00,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:22:00,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:22:00,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:22:00,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:22:00,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:22:00,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:22:00,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:22:00,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:22:00,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:22:00,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:22:00,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:22:00,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:22:00,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:22:00,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:22:00,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:22:00,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:22:00,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:22:00,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:22:00,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:22:00,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:22:00,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:22:00,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:22:00,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:22:00,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:22:00,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:22:00,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:22:00,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:22:00,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:22:00,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:22:00,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:22:00,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:22:00,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:22:00,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:22:00,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:22:00,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:22:00,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:22:00,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:22:00,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:22:00,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:22:00,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:22:00,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:22:00,627 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:22:00,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:22:00,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:22:00,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:22:00,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:22:00,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:22:00,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:22:00,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:22:00,635 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:22:00,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:22:00,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:22:00,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:22:00,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:22:00,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:22:00,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:22:00,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:22:00,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:22:00,637 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:22:00,638 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_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 [2022-12-13 15:22:00,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:22:00,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:22:00,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:22:00,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:22:00,825 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:22:00,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-12-13 15:22:03,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:22:03,709 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:22:03,709 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-12-13 15:22:03,726 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data/0f4ed7eaf/055afd1d10fe48b1b977c4fba2ed89be/FLAGb21296ea9 [2022-12-13 15:22:03,990 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data/0f4ed7eaf/055afd1d10fe48b1b977c4fba2ed89be [2022-12-13 15:22:03,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:22:03,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:22:03,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:03,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:22:04,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:22:04,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:03" (1/1) ... [2022-12-13 15:22:04,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7107b7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:04, skipping insertion in model container [2022-12-13 15:22:04,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:03" (1/1) ... [2022-12-13 15:22:04,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:22:04,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:22:04,365 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:22:04,762 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:22:04,766 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:04,768 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:04,770 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:04,771 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:05,144 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:22:05,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:22:05,153 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:22:05,165 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:22:05,193 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:22:05,195 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:05,196 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:05,197 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:05,198 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:05,207 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:22:05,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:22:05,431 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:22:05,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05 WrapperNode [2022-12-13 15:22:05,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:05,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:22:05,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:22:05,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:22:05,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,488 INFO L138 Inliner]: procedures = 938, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-12-13 15:22:05,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:22:05,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:22:05,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:22:05,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:22:05,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:22:05,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:22:05,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:22:05,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:22:05,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (1/1) ... [2022-12-13 15:22:05,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:22:05,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:22:05,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:22:05,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:22:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:22:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:22:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:22:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:22:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:22:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:22:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:22:05,686 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:22:05,688 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:22:05,800 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:22:05,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:22:05,804 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:22:05,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:05 BoogieIcfgContainer [2022-12-13 15:22:05,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:22:05,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:22:05,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:22:05,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:22:05,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:22:03" (1/3) ... [2022-12-13 15:22:05,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a062d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:05, skipping insertion in model container [2022-12-13 15:22:05,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05" (2/3) ... [2022-12-13 15:22:05,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a062d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:05, skipping insertion in model container [2022-12-13 15:22:05,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:05" (3/3) ... [2022-12-13 15:22:05,815 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-12-13 15:22:05,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:22:05,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:22:05,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:22:05,877 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;@6814dc60, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:22:05,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:22:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 15:22:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 15:22:05,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:22:05,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:05,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:22:05,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:05,892 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 15:22:05,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:05,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593399200] [2022-12-13 15:22:05,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:05,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:22:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:06,097 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 15:22:06,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:06,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593399200] [2022-12-13 15:22:06,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593399200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:06,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:06,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 15:22:06,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977967086] [2022-12-13 15:22:06,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:06,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:22:06,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:06,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:22:06,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:22:06,126 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 15:22:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:22:06,138 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-13 15:22:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:22:06,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-12-13 15:22:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:22:06,144 INFO L225 Difference]: With dead ends: 22 [2022-12-13 15:22:06,144 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 15:22:06,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:22:06,148 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:22:06,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:22:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 15:22:06,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 15:22:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 15:22:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 15:22:06,171 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 15:22:06,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:22:06,171 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 15:22:06,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 15:22:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 15:22:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 15:22:06,172 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:22:06,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:06,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:22:06,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:22:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:06,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-13 15:22:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:06,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794784264] [2022-12-13 15:22:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:06,191 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 15:22:06,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854389831] [2022-12-13 15:22:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:06,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:22:06,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:22:06,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:22:06,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:22:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:22:06,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:22:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:22:06,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:22:06,303 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:22:06,304 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:22:06,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:22:06,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:22:06,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:22:06,518 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 15:22:06,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:22:06,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:22:06 BoogieIcfgContainer [2022-12-13 15:22:06,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:22:06,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:22:06,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:22:06,587 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:22:06,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:05" (3/4) ... [2022-12-13 15:22:06,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:22:06,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:22:06,591 INFO L158 Benchmark]: Toolchain (without parser) took 2596.37ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 98.0MB in the beginning and 105.7MB in the end (delta: -7.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-12-13 15:22:06,591 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:22:06,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.57ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 97.6MB in the beginning and 97.3MB in the end (delta: 272.0kB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-12-13 15:22:06,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.31ms. Allocated memory is still 174.1MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:22:06,593 INFO L158 Benchmark]: Boogie Preprocessor took 23.81ms. Allocated memory is still 174.1MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:22:06,594 INFO L158 Benchmark]: RCFGBuilder took 292.48ms. Allocated memory is still 174.1MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:22:06,594 INFO L158 Benchmark]: TraceAbstraction took 777.12ms. Allocated memory is still 174.1MB. Free memory was 77.3MB in the beginning and 106.8MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:22:06,595 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 174.1MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:22:06,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.57ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 97.6MB in the beginning and 97.3MB in the end (delta: 272.0kB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.31ms. Allocated memory is still 174.1MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.81ms. Allocated memory is still 174.1MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.48ms. Allocated memory is still 174.1MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 777.12ms. Allocated memory is still 174.1MB. Free memory was 77.3MB in the beginning and 106.8MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 174.1MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1837, overapproximation of bitwiseAnd at line 1837. 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] [L1843] 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) [L1843] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] CALL CWE190_Integer_Overflow__int_rand_square_51_bad() [L1835] int data; [L1836] data = 0 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1837] 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()=0, rand()=2147483647, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1837] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1838] CALL CWE190_Integer_Overflow__int_rand_square_51b_badSink(data) [L1851] data * data VAL [\old(data)=2147483647, data=2147483647, 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: 1851]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 15:22:06,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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 c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 --- 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 15:22:08,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:22:08,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:22:08,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:22:08,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:22:08,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:22:08,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:22:08,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:22:08,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:22:08,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:22:08,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:22:08,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:22:08,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:22:08,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:22:08,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:22:08,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:22:08,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:22:08,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:22:08,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:22:08,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:22:08,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:22:08,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:22:08,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:22:08,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:22:08,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:22:08,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:22:08,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:22:08,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:22:08,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:22:08,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:22:08,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:22:08,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:22:08,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:22:08,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:22:08,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:22:08,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:22:08,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:22:08,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:22:08,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:22:08,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:22:08,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:22:08,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 15:22:08,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:22:08,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:22:08,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:22:08,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:22:08,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:22:08,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:22:08,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:22:08,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:22:08,215 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:22:08,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:22:08,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:22:08,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:22:08,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:22:08,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:22:08,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:22:08,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:22:08,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:22:08,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:22:08,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:22:08,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:22:08,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:22:08,219 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:22:08,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:22:08,220 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:22:08,220 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:22:08,220 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_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 [2022-12-13 15:22:08,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:22:08,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:22:08,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:22:08,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:22:08,486 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:22:08,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-12-13 15:22:11,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:22:11,345 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:22:11,346 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-12-13 15:22:11,368 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data/ff14a66b0/30935604856a4e13b8b0fb1f8387096d/FLAG156fa0419 [2022-12-13 15:22:11,382 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/data/ff14a66b0/30935604856a4e13b8b0fb1f8387096d [2022-12-13 15:22:11,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:22:11,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:22:11,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:11,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:22:11,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:22:11,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:11" (1/1) ... [2022-12-13 15:22:11,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1c5950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:11, skipping insertion in model container [2022-12-13 15:22:11,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:11" (1/1) ... [2022-12-13 15:22:11,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:22:11,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:22:11,728 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:22:12,067 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:22:12,072 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:12,073 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:12,074 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:12,075 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:12,397 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:22:12,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:22:12,409 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:22:12,422 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:22:12,453 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:22:12,454 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:12,455 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:22:12,456 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:12,456 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:22:12,464 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:22:12,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:22:12,656 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:22:12,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12 WrapperNode [2022-12-13 15:22:12,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:12,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:22:12,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:22:12,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:22:12,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,698 INFO L138 Inliner]: procedures = 943, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-12-13 15:22:12,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:22:12,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:22:12,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:22:12,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:22:12,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,716 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:22:12,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:22:12,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:22:12,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:22:12,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (1/1) ... [2022-12-13 15:22:12,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:22:12,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:22:12,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:22:12,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:22:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:22:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:22:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:22:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:22:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:22:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:22:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:22:12,895 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:22:12,897 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:22:14,111 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:22:14,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:22:14,115 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:22:14,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:14 BoogieIcfgContainer [2022-12-13 15:22:14,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:22:14,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:22:14,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:22:14,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:22:14,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:22:11" (1/3) ... [2022-12-13 15:22:14,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdca99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:14, skipping insertion in model container [2022-12-13 15:22:14,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:12" (2/3) ... [2022-12-13 15:22:14,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdca99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:14, skipping insertion in model container [2022-12-13 15:22:14,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:14" (3/3) ... [2022-12-13 15:22:14,122 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-12-13 15:22:14,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:22:14,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:22:14,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:22:14,170 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;@2d913708, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:22:14,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:22:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 15:22:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 15:22:14,178 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:22:14,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:14,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:22:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:14,182 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 15:22:14,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:22:14,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440036886] [2022-12-13 15:22:14,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:14,191 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 15:22:14,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:22:14,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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 15:22:14,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a969b6f6-d8c5-4dcf-9bc2-9731e54402c1/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