./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 3e5623dde08e4bb97fb58239dc69624a7769791ffdf0b1cffdd444ece7ed4a6a --- 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 22:26:10,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:26:10,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:26:10,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:26:10,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:26:10,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:26:10,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:26:10,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:26:10,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:26:10,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:26:10,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:26:10,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:26:10,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:26:10,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:26:10,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:26:10,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:26:10,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:26:10,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:26:10,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:26:10,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:26:10,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:26:10,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:26:10,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:26:10,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:26:10,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:26:10,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:26:10,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:26:10,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:26:10,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:26:10,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:26:10,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:26:10,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:26:10,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:26:10,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:26:10,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:26:10,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:26:10,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:26:10,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:26:10,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:26:10,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:26:10,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:26:10,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:26:10,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:26:10,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:26:10,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:26:10,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:26:10,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:26:10,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:26:10,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:26:10,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:26:10,775 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:26:10,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:26:10,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:26:10,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:26:10,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:26:10,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:26:10,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:26:10,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:26:10,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:26:10,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:26:10,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:26:10,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:26:10,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:26:10,779 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:26:10,779 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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e5623dde08e4bb97fb58239dc69624a7769791ffdf0b1cffdd444ece7ed4a6a [2022-12-13 22:26:10,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:26:10,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:26:10,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:26:10,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:26:10,964 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:26:10,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_bad.i [2022-12-13 22:26:13,531 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:26:13,773 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:26:13,774 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_bad.i [2022-12-13 22:26:13,790 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data/044897f86/be8cd088093847b7a9589dfdc71aaa66/FLAGaa5343160 [2022-12-13 22:26:13,803 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data/044897f86/be8cd088093847b7a9589dfdc71aaa66 [2022-12-13 22:26:13,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:26:13,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:26:13,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:26:13,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:26:13,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:26:13,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:26:13" (1/1) ... [2022-12-13 22:26:13,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e05700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:13, skipping insertion in model container [2022-12-13 22:26:13,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:26:13" (1/1) ... [2022-12-13 22:26:13,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:26:13,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:26:14,110 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:26:14,418 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:26:14,423 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:14,425 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:14,427 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:14,428 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:14,452 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:26:14,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:26:14,462 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:26:14,480 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:26:14,527 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:26:14,529 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:14,530 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:14,533 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:14,533 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:14,539 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:26:14,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:26:14,634 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:26:14,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14 WrapperNode [2022-12-13 22:26:14,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:26:14,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:26:14,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:26:14,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:26:14,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,687 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-13 22:26:14,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:26:14,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:26:14,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:26:14,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:26:14,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:26:14,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:26:14,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:26:14,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:26:14,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (1/1) ... [2022-12-13 22:26:14,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:26:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:26:14,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:26:14,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:26:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:26:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:26:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:26:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:26:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:26:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:26:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:26:14,872 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:26:14,874 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:26:15,011 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:26:15,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:26:15,018 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:26:15,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:26:15 BoogieIcfgContainer [2022-12-13 22:26:15,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:26:15,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:26:15,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:26:15,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:26:15,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:26:13" (1/3) ... [2022-12-13 22:26:15,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422338f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:26:15, skipping insertion in model container [2022-12-13 22:26:15,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:14" (2/3) ... [2022-12-13 22:26:15,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422338f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:26:15, skipping insertion in model container [2022-12-13 22:26:15,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:26:15" (3/3) ... [2022-12-13 22:26:15,027 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_05_bad.i [2022-12-13 22:26:15,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:26:15,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:26:15,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:26:15,090 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;@2db00640, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:26:15,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:26:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 22:26:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:26:15,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:15,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:26:15,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:26:15,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:15,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 22:26:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:15,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767735842] [2022-12-13 22:26:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:15,349 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 22:26:15,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:15,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767735842] [2022-12-13 22:26:15,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767735842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:15,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:15,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:26:15,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630262461] [2022-12-13 22:26:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:15,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:26:15,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:15,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:26:15,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:26:15,387 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 3.0) internal successors, (9), 3 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 22:26:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:15,411 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-13 22:26:15,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:26:15,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 22:26:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:15,418 INFO L225 Difference]: With dead ends: 39 [2022-12-13 22:26:15,418 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 22:26:15,421 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 22:26:15,423 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 23 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 22:26:15,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:26:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 22:26:15,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 22:26:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 22:26:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 22:26:15,450 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 22:26:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:15,451 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 22:26:15,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 22:26:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 22:26:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 22:26:15,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:15,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:26:15,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:26:15,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:26:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:15,453 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-13 22:26:15,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:15,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282590029] [2022-12-13 22:26:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:15,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:15,615 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 22:26:15,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:15,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282590029] [2022-12-13 22:26:15,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282590029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:15,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:15,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:26:15,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279485593] [2022-12-13 22:26:15,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:15,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:26:15,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:26:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:26:15,619 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:26:15,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:15,626 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-13 22:26:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:26:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 22:26:15,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:15,628 INFO L225 Difference]: With dead ends: 16 [2022-12-13 22:26:15,628 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:26:15,628 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 22:26:15,629 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 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 22:26:15,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:26:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:26:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:26:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:26:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 22:26:15,634 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 22:26:15,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:15,634 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 22:26:15,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:26:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 22:26:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:26:15,635 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:15,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:26:15,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:26:15,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:26:15,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:15,636 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 22:26:15,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:15,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618013866] [2022-12-13 22:26:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:15,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:26:15,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:26:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:26:15,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:26:15,709 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:26:15,710 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:26:15,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:26:15,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:26:15,714 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:26:15,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:26:15,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:26:15 BoogieIcfgContainer [2022-12-13 22:26:15,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:26:15,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:26:15,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:26:15,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:26:15,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:26:15" (3/4) ... [2022-12-13 22:26:15,746 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:26:15,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:26:15,747 INFO L158 Benchmark]: Toolchain (without parser) took 1940.31ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.2MB in the beginning and 68.3MB in the end (delta: 10.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-12-13 22:26:15,747 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:26:15,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.58ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.2MB in the beginning and 80.8MB in the end (delta: -2.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-12-13 22:26:15,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.71ms. Allocated memory is still 144.7MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:26:15,749 INFO L158 Benchmark]: Boogie Preprocessor took 19.44ms. Allocated memory is still 144.7MB. Free memory was 77.9MB in the beginning and 76.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:26:15,749 INFO L158 Benchmark]: RCFGBuilder took 312.34ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 63.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 22:26:15,750 INFO L158 Benchmark]: TraceAbstraction took 720.14ms. Allocated memory is still 144.7MB. Free memory was 62.0MB in the beginning and 68.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:26:15,750 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 144.7MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:26:15,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.58ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.2MB in the beginning and 80.8MB in the end (delta: -2.6MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.71ms. Allocated memory is still 144.7MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.44ms. Allocated memory is still 144.7MB. Free memory was 77.9MB in the beginning and 76.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.34ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 63.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 720.14ms. Allocated memory is still 144.7MB. Free memory was 62.0MB in the beginning and 68.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 144.7MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_preinc_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] 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()=4, rand()=32767, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, staticFalse=0, staticTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [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, staticFalse=0, staticTrue=1] [L1561] ++data VAL [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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 22:26:15,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 3e5623dde08e4bb97fb58239dc69624a7769791ffdf0b1cffdd444ece7ed4a6a --- 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 22:26:17,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:26:17,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:26:17,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:26:17,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:26:17,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:26:17,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:26:17,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:26:17,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:26:17,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:26:17,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:26:17,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:26:17,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:26:17,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:26:17,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:26:17,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:26:17,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:26:17,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:26:17,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:26:17,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:26:17,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:26:17,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:26:17,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:26:17,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:26:17,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:26:17,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:26:17,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:26:17,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:26:17,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:26:17,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:26:17,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:26:17,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:26:17,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:26:17,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:26:17,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:26:17,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:26:17,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:26:17,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:26:17,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:26:17,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:26:17,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:26:17,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 22:26:17,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:26:17,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:26:17,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:26:17,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:26:17,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:26:17,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:26:17,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:26:17,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:26:17,638 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:26:17,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:26:17,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:26:17,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:26:17,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:26:17,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:26:17,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:26:17,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:26:17,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 22:26:17,640 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:26:17,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 22:26:17,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:26:17,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:26:17,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:26:17,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:26:17,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:26:17,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:26:17,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:26:17,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:26:17,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:26:17,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:26:17,642 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 22:26:17,643 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 22:26:17,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:26:17,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:26:17,650 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:26:17,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:26:17,650 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 22:26:17,651 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:26:17,651 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_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e5623dde08e4bb97fb58239dc69624a7769791ffdf0b1cffdd444ece7ed4a6a [2022-12-13 22:26:17,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:26:17,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:26:17,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:26:17,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:26:17,916 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:26:17,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_bad.i [2022-12-13 22:26:20,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:26:20,707 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:26:20,708 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_05_bad.i [2022-12-13 22:26:20,722 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data/d2581186a/f9f7e26148c846e58e4e04445bf90a8c/FLAG7f022cb8c [2022-12-13 22:26:20,733 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/data/d2581186a/f9f7e26148c846e58e4e04445bf90a8c [2022-12-13 22:26:20,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:26:20,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:26:20,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:26:20,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:26:20,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:26:20,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:26:20" (1/1) ... [2022-12-13 22:26:20,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d32f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:20, skipping insertion in model container [2022-12-13 22:26:20,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:26:20" (1/1) ... [2022-12-13 22:26:20,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:26:20,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:26:21,040 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:26:21,312 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:26:21,316 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:21,317 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:21,319 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:21,319 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:21,338 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:26:21,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:26:21,349 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:26:21,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:26:21,425 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:26:21,426 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:21,427 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:26:21,429 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:21,430 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:26:21,434 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:26:21,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:26:21,543 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:26:21,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21 WrapperNode [2022-12-13 22:26:21,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:26:21,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:26:21,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:26:21,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:26:21,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,604 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-13 22:26:21,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:26:21,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:26:21,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:26:21,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:26:21,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,633 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:26:21,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:26:21,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:26:21,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:26:21,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (1/1) ... [2022-12-13 22:26:21,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:26:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:26:21,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:26:21,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:26:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:26:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:26:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 22:26:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:26:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:26:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:26:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:26:21,819 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:26:21,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:26:21,934 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:26:21,940 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:26:21,940 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:26:21,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:26:21 BoogieIcfgContainer [2022-12-13 22:26:21,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:26:21,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:26:21,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:26:21,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:26:21,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:26:20" (1/3) ... [2022-12-13 22:26:21,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ac59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:26:21, skipping insertion in model container [2022-12-13 22:26:21,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:26:21" (2/3) ... [2022-12-13 22:26:21,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ac59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:26:21, skipping insertion in model container [2022-12-13 22:26:21,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:26:21" (3/3) ... [2022-12-13 22:26:21,951 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_05_bad.i [2022-12-13 22:26:21,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:26:21,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:26:22,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:26:22,021 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;@d2b25a1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:26:22,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:26:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 22:26:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:26:22,034 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:22,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:26:22,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:26:22,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:22,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 22:26:22,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:26:22,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36813565] [2022-12-13 22:26:22,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:22,051 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 22:26:22,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:26:22,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:22,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 22:26:22,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:26:22,182 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 22:26:22,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:26:22,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:26:22,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36813565] [2022-12-13 22:26:22,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36813565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:22,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:22,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:26:22,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165265766] [2022-12-13 22:26:22,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:22,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:26:22,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:26:22,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:26:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:26:22,216 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 22:26:22,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:22,240 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-13 22:26:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:26:22,247 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 22:26:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:22,254 INFO L225 Difference]: With dead ends: 23 [2022-12-13 22:26:22,254 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:26:22,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 22:26:22,260 INFO L413 NwaCegarLoop]: 26 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, 26 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 22:26:22,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:26:22,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:26:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:26:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 22:26:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 22:26:22,294 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-13 22:26:22,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:22,295 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 22:26:22,295 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 22:26:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 22:26:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 22:26:22,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:22,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:26:22,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:26:22,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:22,498 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-13 22:26:22,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:26:22,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78361292] [2022-12-13 22:26:22,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:22,499 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 22:26:22,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:26:22,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:22,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:26:22,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:26:22,591 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 22:26:22,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:26:22,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:26:22,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78361292] [2022-12-13 22:26:22,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78361292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:22,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:26:22,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:26:22,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111118131] [2022-12-13 22:26:22,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:22,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:26:22,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:26:22,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:26:22,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:26:22,595 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. 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 22:26:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:22,601 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 22:26:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:26:22,602 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 22:26:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:22,603 INFO L225 Difference]: With dead ends: 19 [2022-12-13 22:26:22,603 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 22:26:22,603 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 22:26:22,604 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:26:22,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:26:22,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 22:26:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 22:26:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:26:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 22:26:22,609 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-13 22:26:22,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:22,609 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 22:26:22,609 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 22:26:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 22:26:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:26:22,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:22,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:26:22,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:26:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 22:26:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:26:22,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698074553] [2022-12-13 22:26:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:22,814 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 22:26:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:26:22,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:22,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 (4)] Waiting until timeout for monitored process [2022-12-13 22:26:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:26:22,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:26:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:26:22,995 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 22:26:22,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:26:22,996 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:26:22,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:26:23,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 (4)] Ended with exit code 0 [2022-12-13 22:26:23,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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 22:26:23,209 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:26:23,220 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:26:23,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:26:23 BoogieIcfgContainer [2022-12-13 22:26:23,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:26:23,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:26:23,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:26:23,275 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:26:23,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:26:21" (3/4) ... [2022-12-13 22:26:23,277 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 22:26:23,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:26:23,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:26:23,306 INFO L158 Benchmark]: Toolchain (without parser) took 2569.03ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 58.0MB in the beginning and 43.5MB in the end (delta: 14.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,306 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:26:23,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.37ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 34.9MB in the end (delta: 22.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 79.7MB. Free memory was 34.9MB in the beginning and 31.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,307 INFO L158 Benchmark]: Boogie Preprocessor took 31.30ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 31.7MB in the beginning and 69.5MB in the end (delta: -37.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,307 INFO L158 Benchmark]: RCFGBuilder took 304.96ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 55.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,307 INFO L158 Benchmark]: TraceAbstraction took 1329.41ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 45.6MB in the end (delta: 9.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,308 INFO L158 Benchmark]: Witness Printer took 30.61ms. Allocated memory is still 96.5MB. Free memory was 45.6MB in the beginning and 43.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:26:23,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.37ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 34.9MB in the end (delta: 22.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 79.7MB. Free memory was 34.9MB in the beginning and 31.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.30ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 31.7MB in the beginning and 69.5MB in the end (delta: -37.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 304.96ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 55.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1329.41ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 45.6MB in the end (delta: 9.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 30.61ms. Allocated memory is still 96.5MB. Free memory was 45.6MB in the beginning and 43.5MB 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: 1561]: 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_preinc_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] 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()=32767, rand()=1, rand()=65535, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, staticFalse=0, staticTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [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, staticFalse=0, staticTrue=1] [L1561] ++data VAL [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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 22:26:23,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788f5b26-17b7-4f34-8b58-98c9762fe2bd/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)