./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/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_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/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_4c3a920e-311f-4329-8231-c8e95c864d4b/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 bd9711d89d2ec44c0bab9ddbe2979efb30e48c20735b8d51f6b8639f3c9eef7a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:11:47,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:11:47,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:11:47,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:11:47,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:11:47,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:11:47,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:11:47,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:11:47,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:11:47,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:11:47,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:11:47,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:11:47,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:11:47,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:11:47,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:11:47,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:11:47,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:11:47,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:11:47,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:11:47,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:11:47,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:11:47,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:11:47,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:11:47,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:11:47,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:11:47,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:11:47,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:11:47,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:11:47,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:11:47,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:11:47,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:11:47,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:11:47,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:11:47,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:11:47,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:11:47,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:11:47,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:11:47,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:11:47,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:11:47,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:11:47,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:11:47,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:11:47,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:11:47,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:11:47,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:11:47,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:11:47,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:11:47,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:11:47,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:11:47,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:11:47,629 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:11:47,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:11:47,630 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:11:47,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:11:47,631 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:11:47,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:11:47,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:11:47,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:11:47,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:11:47,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:11:47,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:11:47,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:11:47,633 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:11:47,633 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_4c3a920e-311f-4329-8231-c8e95c864d4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd9711d89d2ec44c0bab9ddbe2979efb30e48c20735b8d51f6b8639f3c9eef7a [2022-12-13 22:11:47,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:11:47,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:11:47,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:11:47,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:11:47,810 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:11:47,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_bad.i [2022-12-13 22:11:50,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:11:50,640 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:11:50,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_bad.i [2022-12-13 22:11:50,658 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/data/3f66bc855/c0c9d4f35f0a44caab9f45257e9892c9/FLAG06dd44fe0 [2022-12-13 22:11:50,671 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/data/3f66bc855/c0c9d4f35f0a44caab9f45257e9892c9 [2022-12-13 22:11:50,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:11:50,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:11:50,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:11:50,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:11:50,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:11:50,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:11:50" (1/1) ... [2022-12-13 22:11:50,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526af657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:50, skipping insertion in model container [2022-12-13 22:11:50,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:11:50" (1/1) ... [2022-12-13 22:11:50,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:11:50,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:11:50,963 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:11:51,251 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:11:51,256 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:11:51,257 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:11:51,259 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:11:51,260 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:11:51,281 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:11:51,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:11:51,289 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:11:51,304 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:11:51,351 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:11:51,353 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:11:51,354 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:11:51,356 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:11:51,356 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:11:51,361 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:11:51,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:11:51,452 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:11:51,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51 WrapperNode [2022-12-13 22:11:51,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:11:51,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:11:51,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:11:51,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:11:51,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,491 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2022-12-13 22:11:51,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:11:51,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:11:51,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:11:51,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:11:51,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:11:51,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:11:51,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:11:51,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:11:51,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (1/1) ... [2022-12-13 22:11:51,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:11:51,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:11:51,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:11:51,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:11:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:11:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:11:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:11:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:11:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:11:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-13 22:11:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-13 22:11:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:11:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:11:51,671 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:11:51,672 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:11:51,763 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:11:51,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:11:51,767 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:11:51,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:11:51 BoogieIcfgContainer [2022-12-13 22:11:51,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:11:51,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:11:51,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:11:51,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:11:51,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:11:50" (1/3) ... [2022-12-13 22:11:51,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55586fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:11:51, skipping insertion in model container [2022-12-13 22:11:51,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:11:51" (2/3) ... [2022-12-13 22:11:51,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55586fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:11:51, skipping insertion in model container [2022-12-13 22:11:51,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:11:51" (3/3) ... [2022-12-13 22:11:51,774 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_08_bad.i [2022-12-13 22:11:51,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:11:51,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:11:51,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:11:51,827 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;@4f3e98c3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:11:51,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:11:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 22:11:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 22:11:51,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:51,836 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 22:11:51,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:11:51,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:51,841 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2022-12-13 22:11:51,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:51,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821745359] [2022-12-13 22:11:51,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:11:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:11:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:11:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,062 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 22:11:52,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:52,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821745359] [2022-12-13 22:11:52,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821745359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:52,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:11:52,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:11:52,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452296399] [2022-12-13 22:11:52,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:52,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:11:52,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:52,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:11:52,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:11:52,092 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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 22:11:52,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:52,122 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2022-12-13 22:11:52,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:11:52,124 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 22:11:52,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:52,129 INFO L225 Difference]: With dead ends: 51 [2022-12-13 22:11:52,129 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 22:11:52,131 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 22:11:52,133 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:52,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 69 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:11:52,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 22:11:52,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-12-13 22:11:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 22:11:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-13 22:11:52,159 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 21 [2022-12-13 22:11:52,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:52,160 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-13 22:11:52,160 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 22:11:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-13 22:11:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 22:11:52,161 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:52,161 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 22:11:52,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:11:52,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:11:52,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:52,162 INFO L85 PathProgramCache]: Analyzing trace with hash -207759530, now seen corresponding path program 1 times [2022-12-13 22:11:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:52,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019112783] [2022-12-13 22:11:52,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:11:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:11:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:11:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:11:52,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:11:52,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019112783] [2022-12-13 22:11:52,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019112783] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:11:52,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135876204] [2022-12-13 22:11:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:52,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:11:52,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:11:52,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:11:52,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:11:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:11:52,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:11:52,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:11:52,383 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 22:11:52,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:11:52,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135876204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:11:52,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:11:52,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 22:11:52,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899096443] [2022-12-13 22:11:52,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:11:52,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:11:52,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:11:52,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:11:52,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:11:52,386 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. 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 22:11:52,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:11:52,394 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-12-13 22:11:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:11:52,394 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 22:11:52,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:11:52,395 INFO L225 Difference]: With dead ends: 25 [2022-12-13 22:11:52,395 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 22:11:52,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:11:52,397 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:11:52,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:11:52,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 22:11:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2022-12-13 22:11:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 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 22:11:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-12-13 22:11:52,402 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 21 [2022-12-13 22:11:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:11:52,403 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-12-13 22:11:52,403 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 22:11:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-13 22:11:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 22:11:52,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:11:52,404 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 22:11:52,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:11:52,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:11:52,606 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:11:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:11:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1469330851, now seen corresponding path program 1 times [2022-12-13 22:11:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:11:52,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823736554] [2022-12-13 22:11:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:11:52,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:11:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:11:52,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:11:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:11:52,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:11:52,723 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:11:52,726 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:11:52,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:11:52,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:11:52,738 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:11:52,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:11:52,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:11:52 BoogieIcfgContainer [2022-12-13 22:11:52,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:11:52,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:11:52,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:11:52,777 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:11:52,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:11:51" (3/4) ... [2022-12-13 22:11:52,779 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 22:11:52,814 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:11:52,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:11:52,815 INFO L158 Benchmark]: Toolchain (without parser) took 2141.09ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 86.1MB in the beginning and 92.6MB in the end (delta: -6.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-13 22:11:52,815 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:11:52,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.26ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 86.1MB in the beginning and 113.5MB in the end (delta: -27.3MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-12-13 22:11:52,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.97ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 110.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:11:52,816 INFO L158 Benchmark]: Boogie Preprocessor took 17.08ms. Allocated memory is still 178.3MB. Free memory was 110.5MB in the beginning and 109.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:11:52,816 INFO L158 Benchmark]: RCFGBuilder took 259.38ms. Allocated memory is still 178.3MB. Free memory was 109.3MB in the beginning and 96.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 22:11:52,816 INFO L158 Benchmark]: TraceAbstraction took 1006.15ms. Allocated memory is still 178.3MB. Free memory was 96.7MB in the beginning and 95.8MB in the end (delta: 925.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:11:52,817 INFO L158 Benchmark]: Witness Printer took 37.56ms. Allocated memory is still 178.3MB. Free memory was 95.8MB in the beginning and 92.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:11:52,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.26ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 86.1MB in the beginning and 113.5MB in the end (delta: -27.3MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.97ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 110.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.08ms. Allocated memory is still 178.3MB. Free memory was 110.5MB in the beginning and 109.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 259.38ms. Allocated memory is still 178.3MB. Free memory was 109.3MB in the beginning and 96.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1006.15ms. Allocated memory is still 178.3MB. Free memory was 96.7MB in the beginning and 95.8MB in the end (delta: 925.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.56ms. Allocated memory is still 178.3MB. Free memory was 95.8MB in the beginning and 92.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 1567]: 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] [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_max_preinc_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] data = 0x7fffffff 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] ++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: 1567]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 62 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 22:11:52,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3a920e-311f-4329-8231-c8e95c864d4b/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)