./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 91e50674a48bedd27c81b39262ef0cb7a6dd1d01dd365f94c44bbc9f6cdc61fa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:14:22,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:14:22,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:14:22,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:14:22,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:14:22,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:14:22,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:14:22,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:14:22,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:14:22,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:14:22,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:14:22,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:14:22,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:14:22,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:14:22,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:14:22,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:14:22,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:14:22,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:14:22,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:14:22,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:14:22,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:14:22,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:14:22,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:14:22,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:14:22,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:14:22,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:14:22,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:14:22,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:14:22,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:14:22,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:14:22,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:14:22,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:14:22,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:14:22,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:14:22,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:14:22,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:14:22,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:14:22,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:14:22,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:14:22,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:14:22,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:14:22,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:14:22,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:14:22,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:14:22,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:14:22,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:14:22,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:14:22,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:14:22,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:14:22,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:14:22,558 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:14:22,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:14:22,559 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:14:22,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:14:22,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:14:22,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:14:22,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:14:22,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:14:22,560 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:14:22,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:14:22,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:14:22,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:14:22,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:14:22,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:14:22,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:14:22,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:14:22,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:14:22,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:14:22,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:14:22,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:14:22,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:14:22,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:14:22,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:14:22,562 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:14:22,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:14:22,563 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:14:22,563 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_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e50674a48bedd27c81b39262ef0cb7a6dd1d01dd365f94c44bbc9f6cdc61fa [2022-12-13 15:14:22,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:14:22,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:14:22,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:14:22,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:14:22,764 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:14:22,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i [2022-12-13 15:14:25,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:14:25,549 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:14:25,549 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i [2022-12-13 15:14:25,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data/95707439e/cac10bc9052b444b84bd22b68e65b38d/FLAGa04c7daf7 [2022-12-13 15:14:25,572 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data/95707439e/cac10bc9052b444b84bd22b68e65b38d [2022-12-13 15:14:25,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:14:25,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:14:25,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:14:25,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:14:25,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:14:25,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:14:25" (1/1) ... [2022-12-13 15:14:25,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cf1bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:25, skipping insertion in model container [2022-12-13 15:14:25,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:14:25" (1/1) ... [2022-12-13 15:14:25,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:14:25,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:14:25,861 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:14:26,178 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:14:26,182 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:26,184 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:26,185 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:26,186 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:26,207 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:14:26,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:14:26,215 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:14:26,227 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:14:26,256 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:14:26,258 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:26,258 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:26,260 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:26,260 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:26,265 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:14:26,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:14:26,359 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:14:26,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26 WrapperNode [2022-12-13 15:14:26,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:14:26,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:14:26,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:14:26,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:14:26,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,408 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-13 15:14:26,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:14:26,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:14:26,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:14:26,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:14:26,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,425 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:14:26,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:14:26,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:14:26,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:14:26,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (1/1) ... [2022-12-13 15:14:26,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:14:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:14:26,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:14:26,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:14:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 15:14:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 15:14:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-13 15:14:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-13 15:14:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:14:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:14:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:14:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:14:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:14:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:14:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:14:26,608 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:14:26,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:14:26,739 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:14:26,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:14:26,744 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:14:26,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:14:26 BoogieIcfgContainer [2022-12-13 15:14:26,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:14:26,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:14:26,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:14:26,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:14:26,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:14:25" (1/3) ... [2022-12-13 15:14:26,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65aaef09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:14:26, skipping insertion in model container [2022-12-13 15:14:26,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:26" (2/3) ... [2022-12-13 15:14:26,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65aaef09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:14:26, skipping insertion in model container [2022-12-13 15:14:26,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:14:26" (3/3) ... [2022-12-13 15:14:26,752 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_12_bad.i [2022-12-13 15:14:26,766 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:14:26,766 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 15:14:26,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:14:26,805 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;@70a91bfc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:14:26,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 15:14:26,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 25 states have (on average 1.36) internal successors, (34), 31 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 15:14:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 15:14:26,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:14:26,814 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:26,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:14:26,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:14:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1534508860, now seen corresponding path program 1 times [2022-12-13 15:14:26,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:14:26,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970364702] [2022-12-13 15:14:26,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:14:26,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:14:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:14:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:14:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:14:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:14:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:14:27,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970364702] [2022-12-13 15:14:27,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970364702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:14:27,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:14:27,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:14:27,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714723241] [2022-12-13 15:14:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:14:27,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:14:27,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:14:27,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:14:27,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:14:27,077 INFO L87 Difference]: Start difference. First operand has 40 states, 25 states have (on average 1.36) internal successors, (34), 31 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:14:27,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:14:27,118 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2022-12-13 15:14:27,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:14:27,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-12-13 15:14:27,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:14:27,125 INFO L225 Difference]: With dead ends: 63 [2022-12-13 15:14:27,125 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 15:14:27,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 15:14:27,129 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:14:27,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 87 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:14:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 15:14:27,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-13 15:14:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:14:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-12-13 15:14:27,154 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 21 [2022-12-13 15:14:27,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:14:27,155 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-12-13 15:14:27,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:14:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-13 15:14:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 15:14:27,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:14:27,157 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:27,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:14:27,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:14:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:14:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash -304263391, now seen corresponding path program 1 times [2022-12-13 15:14:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:14:27,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710833753] [2022-12-13 15:14:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:14:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:14:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:14:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:14:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:14:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:14:27,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:14:27,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710833753] [2022-12-13 15:14:27,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710833753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:14:27,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:14:27,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:14:27,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7875] [2022-12-13 15:14:27,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:14:27,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:14:27,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:14:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:14:27,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:14:27,299 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:14:27,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:14:27,314 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-12-13 15:14:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:14:27,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-12-13 15:14:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:14:27,315 INFO L225 Difference]: With dead ends: 28 [2022-12-13 15:14:27,315 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 15:14:27,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 15:14:27,317 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:14:27,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 35 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:14:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 15:14:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 15:14:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:14:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-12-13 15:14:27,321 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 23 [2022-12-13 15:14:27,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:14:27,328 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-12-13 15:14:27,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:14:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-13 15:14:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 15:14:27,329 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:14:27,329 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:27,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:14:27,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:14:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:14:27,330 INFO L85 PathProgramCache]: Analyzing trace with hash -842230459, now seen corresponding path program 1 times [2022-12-13 15:14:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:14:27,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587371794] [2022-12-13 15:14:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:14:27,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:14:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:14:27,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:14:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:14:27,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:14:27,428 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:14:27,429 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 15:14:27,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 15:14:27,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 15:14:27,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 15:14:27,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:14:27,434 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 15:14:27,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:14:27,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:14:27 BoogieIcfgContainer [2022-12-13 15:14:27,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:14:27,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:14:27,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:14:27,466 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:14:27,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:14:26" (3/4) ... [2022-12-13 15:14:27,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:14:27,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:14:27,470 INFO L158 Benchmark]: Toolchain (without parser) took 1894.80ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 112.7MB in the beginning and 132.6MB in the end (delta: -19.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-12-13 15:14:27,470 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory was 122.3MB in the beginning and 122.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:14:27,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.81ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 112.7MB in the beginning and 149.6MB in the end (delta: -36.9MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-12-13 15:14:27,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 146.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:14:27,471 INFO L158 Benchmark]: Boogie Preprocessor took 19.44ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:14:27,472 INFO L158 Benchmark]: RCFGBuilder took 316.85ms. Allocated memory is still 182.5MB. Free memory was 144.5MB in the beginning and 129.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 15:14:27,472 INFO L158 Benchmark]: TraceAbstraction took 717.77ms. Allocated memory is still 182.5MB. Free memory was 128.8MB in the beginning and 132.6MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:14:27,472 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 182.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:14:27,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory was 122.3MB in the beginning and 122.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.81ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 112.7MB in the beginning and 149.6MB in the end (delta: -36.9MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 146.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.44ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.85ms. Allocated memory is still 182.5MB. Free memory was 144.5MB in the beginning and 129.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 717.77ms. Allocated memory is still 182.5MB. Free memory was 128.8MB in the beginning and 132.6MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 182.5MB. Free memory is still 132.6MB. 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] 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={3:0}] [L1414] COND TRUE line != ((void *)0) [L1585] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] CALL CWE190_Integer_Overflow__int_rand_preinc_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=2147483647, rand()=65536, rand()=5, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] ++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] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: 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 4 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 75 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 15:14:27,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 91e50674a48bedd27c81b39262ef0cb7a6dd1d01dd365f94c44bbc9f6cdc61fa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:14:29,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:14:29,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:14:29,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:14:29,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:14:29,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:14:29,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:14:29,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:14:29,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:14:29,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:14:29,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:14:29,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:14:29,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:14:29,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:14:29,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:14:29,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:14:29,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:14:29,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:14:29,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:14:29,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:14:29,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:14:29,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:14:29,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:14:29,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:14:29,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:14:29,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:14:29,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:14:29,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:14:29,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:14:29,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:14:29,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:14:29,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:14:29,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:14:29,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:14:29,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:14:29,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:14:29,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:14:29,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:14:29,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:14:29,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:14:29,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:14:29,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 15:14:29,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:14:29,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:14:29,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:14:29,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:14:29,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:14:29,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:14:29,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:14:29,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:14:29,376 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:14:29,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:14:29,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:14:29,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:14:29,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:14:29,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:14:29,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:14:29,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:14:29,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:14:29,377 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:14:29,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:14:29,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:14:29,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:14:29,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:14:29,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:14:29,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:14:29,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:14:29,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:14:29,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:14:29,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:14:29,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:14:29,379 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:14:29,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:14:29,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:14:29,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:14:29,380 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:14:29,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:14:29,380 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:14:29,380 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:14:29,380 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_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e50674a48bedd27c81b39262ef0cb7a6dd1d01dd365f94c44bbc9f6cdc61fa [2022-12-13 15:14:29,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:14:29,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:14:29,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:14:29,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:14:29,628 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:14:29,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i [2022-12-13 15:14:32,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:14:32,473 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:14:32,473 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_12_bad.i [2022-12-13 15:14:32,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data/26b198ee8/21da97b0d68e468f80a6a2fcd9d73bc9/FLAG9f250c619 [2022-12-13 15:14:32,506 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/data/26b198ee8/21da97b0d68e468f80a6a2fcd9d73bc9 [2022-12-13 15:14:32,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:14:32,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:14:32,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:14:32,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:14:32,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:14:32,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:14:32" (1/1) ... [2022-12-13 15:14:32,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d25f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:32, skipping insertion in model container [2022-12-13 15:14:32,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:14:32" (1/1) ... [2022-12-13 15:14:32,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:14:32,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:14:32,841 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:14:33,184 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:14:33,190 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:33,191 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:33,193 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:33,194 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:33,217 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:14:33,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:14:33,230 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:14:33,246 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:14:33,297 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:14:33,299 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:33,300 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:14:33,302 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:33,303 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:14:33,309 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:14:33,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:14:33,404 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:14:33,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33 WrapperNode [2022-12-13 15:14:33,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:14:33,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:14:33,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:14:33,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:14:33,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,456 INFO L138 Inliner]: procedures = 504, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-13 15:14:33,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:14:33,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:14:33,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:14:33,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:14:33,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:14:33,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:14:33,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:14:33,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:14:33,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (1/1) ... [2022-12-13 15:14:33,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:14:33,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:14:33,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:14:33,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:14:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 15:14:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 15:14:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-13 15:14:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-13 15:14:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:14:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:14:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:14:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:14:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:14:33,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:14:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:14:33,663 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:14:33,665 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:14:33,809 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:14:33,816 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:14:33,816 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:14:33,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:14:33 BoogieIcfgContainer [2022-12-13 15:14:33,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:14:33,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:14:33,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:14:33,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:14:33,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:14:32" (1/3) ... [2022-12-13 15:14:33,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9af24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:14:33, skipping insertion in model container [2022-12-13 15:14:33,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:14:33" (2/3) ... [2022-12-13 15:14:33,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9af24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:14:33, skipping insertion in model container [2022-12-13 15:14:33,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:14:33" (3/3) ... [2022-12-13 15:14:33,826 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_12_bad.i [2022-12-13 15:14:33,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:14:33,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 15:14:33,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:14:33,886 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;@237046c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:14:33,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 15:14:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 23 states have (on average 1.391304347826087) internal successors, (32), 29 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 15:14:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 15:14:33,896 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:14:33,897 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:33,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:14:33,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:14:33,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1566579328, now seen corresponding path program 1 times [2022-12-13 15:14:33,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:14:33,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360924081] [2022-12-13 15:14:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:14:33,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:14:33,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:14:33,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:14:33,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:34,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 15:14:34,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:14:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:14:34,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:14:34,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:14:34,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360924081] [2022-12-13 15:14:34,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360924081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:14:34,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:14:34,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 15:14:34,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444217524] [2022-12-13 15:14:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:14:34,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:14:34,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:14:34,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:14:34,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:14:34,085 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.391304347826087) internal successors, (32), 29 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 15:14:34,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:14:34,105 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-12-13 15:14:34,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:14:34,108 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2022-12-13 15:14:34,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:14:34,114 INFO L225 Difference]: With dead ends: 38 [2022-12-13 15:14:34,115 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 15:14:34,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:14:34,120 INFO L413 NwaCegarLoop]: 44 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, 44 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:14:34,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:14:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 15:14:34,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 15:14:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:14:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-12-13 15:14:34,151 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 19 [2022-12-13 15:14:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:14:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-12-13 15:14:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 15:14:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-13 15:14:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 15:14:34,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:14:34,153 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:34,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:34,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:34,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:14:34,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:14:34,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1319318844, now seen corresponding path program 1 times [2022-12-13 15:14:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:14:34,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182481001] [2022-12-13 15:14:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:14:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:14:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:14:34,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:14:34,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:14:34,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:14:34,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:14:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:14:34,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:14:34,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:14:34,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182481001] [2022-12-13 15:14:34,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182481001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:14:34,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:14:34,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:14:34,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206625371] [2022-12-13 15:14:34,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:14:34,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:14:34,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:14:34,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:14:34,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:14:34,572 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:14:34,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:14:34,591 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-12-13 15:14:34,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:14:34,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-12-13 15:14:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:14:34,593 INFO L225 Difference]: With dead ends: 33 [2022-12-13 15:14:34,593 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 15:14:34,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 15:14:34,595 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:14:34,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 49 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:14:34,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 15:14:34,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 15:14:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:14:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-12-13 15:14:34,600 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 20 [2022-12-13 15:14:34,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:14:34,600 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-12-13 15:14:34,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:14:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-12-13 15:14:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 15:14:34,601 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:14:34,601 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:34,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:34,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:34,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:14:34,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:14:34,805 INFO L85 PathProgramCache]: Analyzing trace with hash 677386505, now seen corresponding path program 1 times [2022-12-13 15:14:34,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:14:34,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892792178] [2022-12-13 15:14:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:14:34,808 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:14:34,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:14:34,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:14:34,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:14:34,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:14:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:14:34,970 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 15:14:34,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:14:34,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 15:14:34,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 15:14:34,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 15:14:34,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 15:14:34,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:35,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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 15:14:35,184 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 15:14:35,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:14:35,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:14:35 BoogieIcfgContainer [2022-12-13 15:14:35,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:14:35,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:14:35,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:14:35,269 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:14:35,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:14:33" (3/4) ... [2022-12-13 15:14:35,271 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:14:35,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:14:35,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:14:35,305 INFO L158 Benchmark]: Toolchain (without parser) took 2795.81ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 82.0MB in the beginning and 67.9MB in the end (delta: 14.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,305 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:14:35,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.48ms. Allocated memory is still 104.9MB. Free memory was 82.0MB in the beginning and 48.6MB in the end (delta: 33.4MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.23ms. Allocated memory is still 104.9MB. Free memory was 48.6MB in the beginning and 45.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,306 INFO L158 Benchmark]: Boogie Preprocessor took 28.30ms. Allocated memory is still 104.9MB. Free memory was 45.4MB in the beginning and 43.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,306 INFO L158 Benchmark]: RCFGBuilder took 332.12ms. Allocated memory is still 104.9MB. Free memory was 43.3MB in the beginning and 67.4MB in the end (delta: -24.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,307 INFO L158 Benchmark]: TraceAbstraction took 1447.23ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 66.6MB in the beginning and 70.0MB in the end (delta: -3.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,307 INFO L158 Benchmark]: Witness Printer took 36.34ms. Allocated memory is still 125.8MB. Free memory was 70.0MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:14:35,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 31.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.48ms. Allocated memory is still 104.9MB. Free memory was 82.0MB in the beginning and 48.6MB in the end (delta: 33.4MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.23ms. Allocated memory is still 104.9MB. Free memory was 48.6MB in the beginning and 45.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.30ms. Allocated memory is still 104.9MB. Free memory was 45.4MB in the beginning and 43.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.12ms. Allocated memory is still 104.9MB. Free memory was 43.3MB in the beginning and 67.4MB in the end (delta: -24.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1447.23ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 66.6MB in the beginning and 70.0MB in the end (delta: -3.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 36.34ms. Allocated memory is still 125.8MB. Free memory was 70.0MB in the beginning and 67.9MB 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: 1563]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1585] 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={3:0}] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE190_Integer_Overflow__int_rand_preinc_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1073741823, rand()=32768, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] ++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] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1572]: 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 4 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 74 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 123 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 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 15:14:35,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_895c9fe2-9389-48ad-a7c2-8be814a7ab9b/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)