./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/eureka_01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/eureka_01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7ef5e9072271cbf0486c6be0aa2bd26b235c6b4341d8940adfe18a5a48a6524 --- 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-6b4ec56 [2022-11-20 20:15:43,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:15:43,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:15:43,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:15:43,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:15:43,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:15:43,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:15:43,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:15:43,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:15:43,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:15:43,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:15:43,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:15:43,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:15:43,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:15:43,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:15:43,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:15:43,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:15:43,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:15:43,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:15:43,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:15:43,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:15:43,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:15:43,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:15:43,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:15:43,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:15:43,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:15:43,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:15:43,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:15:43,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:15:43,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:15:43,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:15:43,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:15:43,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:15:43,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:15:43,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:15:43,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:15:43,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:15:43,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:15:43,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:15:43,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:15:43,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:15:43,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 20:15:43,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:15:43,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:15:43,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:15:43,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:15:43,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:15:43,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:15:43,589 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:15:43,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:15:43,590 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:15:43,590 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:15:43,591 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:15:43,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:15:43,591 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:15:43,592 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:15:43,592 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:15:43,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:15:43,592 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:15:43,593 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:15:43,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:15:43,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:15:43,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:15:43,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:15:43,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:15:43,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:15:43,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:15:43,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:15:43,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:15:43,596 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:15:43,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:15:43,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:15:43,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:15:43,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:15:43,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:15:43,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:15:43,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:15:43,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:15:43,598 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:15:43,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:15:43,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:15:43,599 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:15:43,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:15:43,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:15:43,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:15:43,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7ef5e9072271cbf0486c6be0aa2bd26b235c6b4341d8940adfe18a5a48a6524 [2022-11-20 20:15:43,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:15:43,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:15:43,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:15:43,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:15:43,981 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:15:43,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/loops/eureka_01-1.c [2022-11-20 20:15:47,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:15:47,269 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:15:47,270 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/sv-benchmarks/c/loops/eureka_01-1.c [2022-11-20 20:15:47,277 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/data/4dcc38f60/f42372872c0244148e10e113121965ca/FLAGa0a3ef9c0 [2022-11-20 20:15:47,292 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/data/4dcc38f60/f42372872c0244148e10e113121965ca [2022-11-20 20:15:47,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:15:47,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:15:47,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:15:47,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:15:47,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:15:47,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d24ada5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47, skipping insertion in model container [2022-11-20 20:15:47,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:15:47,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:15:47,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/sv-benchmarks/c/loops/eureka_01-1.c[446,459] [2022-11-20 20:15:47,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:15:47,560 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:15:47,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/sv-benchmarks/c/loops/eureka_01-1.c[446,459] [2022-11-20 20:15:47,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:15:47,637 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:15:47,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47 WrapperNode [2022-11-20 20:15:47,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:15:47,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:15:47,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:15:47,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:15:47,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,698 INFO L138 Inliner]: procedures = 15, calls = 98, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2022-11-20 20:15:47,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:15:47,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:15:47,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:15:47,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:15:47,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:15:47,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:15:47,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:15:47,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:15:47,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (1/1) ... [2022-11-20 20:15:47,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:15:47,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:15:47,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:15:47,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:15:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:15:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:15:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:15:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:15:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:15:47,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:15:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:15:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:15:47,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:15:47,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:15:48,276 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:15:48,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:15:48,377 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 20:15:48,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:15:48 BoogieIcfgContainer [2022-11-20 20:15:48,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:15:48,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:15:48,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:15:48,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:15:48,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:15:47" (1/3) ... [2022-11-20 20:15:48,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fb0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:15:48, skipping insertion in model container [2022-11-20 20:15:48,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:15:47" (2/3) ... [2022-11-20 20:15:48,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fb0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:15:48, skipping insertion in model container [2022-11-20 20:15:48,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:15:48" (3/3) ... [2022-11-20 20:15:48,390 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_01-1.c [2022-11-20 20:15:48,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:15:48,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-20 20:15:48,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:15:48,466 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=FINITE_AUTOMATA, 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;@2c30e6fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:15:48,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-20 20:15:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:15:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 20:15:48,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:15:48,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 20:15:48,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-20 20:15:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:15:48,483 INFO L85 PathProgramCache]: Analyzing trace with hash 156299889, now seen corresponding path program 1 times [2022-11-20 20:15:48,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:15:48,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927723077] [2022-11-20 20:15:48,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:15:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:15:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:15:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:15:48,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:15:48,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927723077] [2022-11-20 20:15:48,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927723077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:15:48,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:15:48,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:15:48,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039096849] [2022-11-20 20:15:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:15:48,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:15:48,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:15:48,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:15:48,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:15:48,982 INFO L87 Difference]: Start difference. First operand has 39 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:15:49,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:15:49,095 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2022-11-20 20:15:49,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:15:49,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 20:15:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:15:49,108 INFO L225 Difference]: With dead ends: 75 [2022-11-20 20:15:49,108 INFO L226 Difference]: Without dead ends: 69 [2022-11-20 20:15:49,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:15:49,115 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 33 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:15:49,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 88 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:15:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-20 20:15:49,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 40. [2022-11-20 20:15:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:15:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-20 20:15:49,175 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 5 [2022-11-20 20:15:49,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:15:49,176 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-20 20:15:49,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:15:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-20 20:15:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 20:15:49,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:15:49,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:15:49,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:15:49,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-20 20:15:49,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:15:49,182 INFO L85 PathProgramCache]: Analyzing trace with hash -119842829, now seen corresponding path program 1 times [2022-11-20 20:15:49,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:15:49,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457214136] [2022-11-20 20:15:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:15:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:15:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:15:49,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:15:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:15:49,400 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:15:49,401 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:15:49,403 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-11-20 20:15:49,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-11-20 20:15:49,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-11-20 20:15:49,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-11-20 20:15:49,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-11-20 20:15:49,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-11-20 20:15:49,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-11-20 20:15:49,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-11-20 20:15:49,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-11-20 20:15:49,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-11-20 20:15:49,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-11-20 20:15:49,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-11-20 20:15:49,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-11-20 20:15:49,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-11-20 20:15:49,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:15:49,424 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 20:15:49,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:15:49,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:15:49 BoogieIcfgContainer [2022-11-20 20:15:49,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:15:49,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:15:49,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:15:49,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:15:49,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:15:48" (3/4) ... [2022-11-20 20:15:49,493 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 20:15:49,561 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:15:49,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:15:49,562 INFO L158 Benchmark]: Toolchain (without parser) took 2266.26ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 119.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-20 20:15:49,562 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:15:49,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 121.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 20:15:49,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.38ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 119.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:15:49,563 INFO L158 Benchmark]: Boogie Preprocessor took 33.71ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 117.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:15:49,564 INFO L158 Benchmark]: RCFGBuilder took 646.70ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 95.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 20:15:49,564 INFO L158 Benchmark]: TraceAbstraction took 1102.11ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 121.2MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:15:49,565 INFO L158 Benchmark]: Witness Printer took 75.41ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:15:49,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 121.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.38ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 119.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.71ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 117.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.70ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 95.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1102.11ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 121.2MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.41ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 119.1MB 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: 55]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int INFINITY = 899; [L18] int nodecount = __VERIFIER_nondet_int(); [L19] int edgecount = __VERIFIER_nondet_int(); [L20] COND FALSE !(!(0 <= nodecount && nodecount <= 4)) VAL [edgecount=1, INFINITY=899, nodecount=0] [L21] COND FALSE !(!(0 <= edgecount && edgecount <= 19)) [L22] int source = 0; [L23] int Source[20] = {0,4,1,1,0,0,1,3,4,4,2,2,3,0,0,3,1,2,2,3}; [L24] int Dest[20] = {1,3,4,1,1,4,3,4,3,0,0,0,0,2,3,0,2,1,0,4}; [L25] int Weight[20] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; [L26] int distance[5]; [L27] int x,y; [L28] int i,j; [L30] i = 0 VAL [Dest={21:0}, distance={22:0}, edgecount=1, i=0, INFINITY=899, nodecount=0, source=0, Source={25:0}, Weight={23:0}] [L30] COND FALSE !(i < nodecount) [L39] i = 0 VAL [Dest={21:0}, distance={22:0}, edgecount=1, i=0, INFINITY=899, nodecount=0, source=0, Source={25:0}, Weight={23:0}] [L39] COND FALSE !(i < nodecount) [L51] i = 0 VAL [Dest={21:0}, distance={22:0}, edgecount=1, i=0, INFINITY=899, nodecount=0, Source={25:0}, source=0, Weight={23:0}] [L51] COND TRUE i < edgecount [L53] EXPR Dest[i] [L53] x = Dest[i] [L54] EXPR Source[i] [L54] y = Source[i] [L55] distance[x] [L55] EXPR distance[y] [L55] EXPR Weight[i] VAL [Dest={21:0}, distance={22:0}, distance[x]=2147483649, distance[y]=2147483648, edgecount=1, i=0, INFINITY=899, nodecount=0, Source={25:0}, source=0, Weight={23:0}, Weight[i]=0, x=1, y=0] [L55] distance[y] + Weight[i] VAL [Dest={21:0}, distance={22:0}, distance[x]=2147483649, distance[y]=2147483648, edgecount=1, i=0, INFINITY=899, nodecount=0, Source={25:0}, source=0, Weight={23:0}, Weight[i]=0, x=1, y=0] - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 61]: 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 1 procedures, 39 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 31 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 29 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 20:15:49,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a048445b-c629-42b1-859e-959b8a6fa47f/bin/utaipan-6cKwYrpEi9/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)