./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/NoConversion.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoConversion.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI --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 64bit --witnessprinter.graph.data.programhash 391e17b2f549fdaaaf382caf64219c950a25a0aa33828e3e74cb3b737b84ec4f --- 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-5e519f3 [2022-11-03 02:40:42,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:40:42,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:40:42,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:40:42,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:40:42,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:40:42,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:40:42,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:40:42,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:40:42,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:40:42,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:40:42,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:40:42,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:40:42,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:40:42,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:40:42,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:40:42,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:40:42,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:40:42,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:40:42,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:40:42,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:40:42,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:40:42,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:40:42,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:40:42,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:40:42,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:40:42,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:40:42,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:40:42,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:40:42,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:40:42,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:40:42,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:40:42,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:40:42,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:40:42,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:40:42,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:40:42,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:40:42,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:40:42,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:40:42,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:40:42,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:40:42,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-03 02:40:42,268 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:40:42,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:40:42,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:40:42,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:40:42,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:40:42,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:40:42,275 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:40:42,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:40:42,275 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:40:42,275 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:40:42,276 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:40:42,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:40:42,277 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:40:42,277 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:40:42,277 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:40:42,278 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:40:42,278 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:40:42,278 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:40:42,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:40:42,279 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:40:42,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:40:42,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:40:42,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:40:42,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:40:42,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:40:42,282 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:40:42,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:40:42,282 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:40:42,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:40:42,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:40:42,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:40:42,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:40:42,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:40:42,284 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:40:42,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:40:42,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:40:42,284 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:40:42,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:40:42,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:40:42,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:40:42,285 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_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 391e17b2f549fdaaaf382caf64219c950a25a0aa33828e3e74cb3b737b84ec4f [2022-11-03 02:40:42,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:40:42,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:40:42,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:40:42,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:40:42,569 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:40:42,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/signedintegeroverflow-regression/NoConversion.i [2022-11-03 02:40:42,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/data/60f534855/38157c2ba9854bb597389a3be9255cfd/FLAGaf2faeb18 [2022-11-03 02:40:43,195 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:40:43,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/sv-benchmarks/c/signedintegeroverflow-regression/NoConversion.i [2022-11-03 02:40:43,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/data/60f534855/38157c2ba9854bb597389a3be9255cfd/FLAGaf2faeb18 [2022-11-03 02:40:43,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/data/60f534855/38157c2ba9854bb597389a3be9255cfd [2022-11-03 02:40:43,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:40:43,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:40:43,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:40:43,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:40:43,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:40:43,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:40:43" (1/1) ... [2022-11-03 02:40:43,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48404372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:43, skipping insertion in model container [2022-11-03 02:40:43,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:40:43" (1/1) ... [2022-11-03 02:40:43,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:40:43,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:40:43,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:40:43,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:40:43,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:40:44,010 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:40:44,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44 WrapperNode [2022-11-03 02:40:44,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:40:44,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:40:44,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:40:44,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:40:44,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,048 INFO L138 Inliner]: procedures = 109, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-03 02:40:44,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:40:44,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:40:44,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:40:44,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:40:44,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:40:44,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:40:44,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:40:44,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:40:44,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (1/1) ... [2022-11-03 02:40:44,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:40:44,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:40:44,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:40:44,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:40:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:40:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:40:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:40:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:40:44,276 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:40:44,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:40:44,334 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:40:44,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:40:44,348 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:40:44,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:44 BoogieIcfgContainer [2022-11-03 02:40:44,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:40:44,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:40:44,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:40:44,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:40:44,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:40:43" (1/3) ... [2022-11-03 02:40:44,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0a9fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:44, skipping insertion in model container [2022-11-03 02:40:44,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:44" (2/3) ... [2022-11-03 02:40:44,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0a9fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:44, skipping insertion in model container [2022-11-03 02:40:44,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:44" (3/3) ... [2022-11-03 02:40:44,359 INFO L112 eAbstractionObserver]: Analyzing ICFG NoConversion.i [2022-11-03 02:40:44,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:40:44,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:40:44,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:40:44,432 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;@28419bc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:40:44,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:40:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-11-03 02:40:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-03 02:40:44,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:44,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-03 02:40:44,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-03 02:40:44,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:44,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1212, now seen corresponding path program 1 times [2022-11-03 02:40:44,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:44,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108846662] [2022-11-03 02:40:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:44,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:40:44,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:40:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:40:44,585 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:40:44,587 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:40:44,588 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-03 02:40:44,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:40:44,595 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:40:44,600 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:40:44,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:40:44 BoogieIcfgContainer [2022-11-03 02:40:44,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:40:44,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:40:44,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:40:44,621 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:40:44,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:44" (3/4) ... [2022-11-03 02:40:44,623 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:40:44,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:40:44,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:40:44,659 INFO L158 Benchmark]: Toolchain (without parser) took 1150.51ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 55.9MB in the end (delta: 21.9MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-03 02:40:44,660 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:40:44,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.29ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 81.8MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:40:44,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.08ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:40:44,666 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 111.1MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 831.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:40:44,668 INFO L158 Benchmark]: RCFGBuilder took 276.90ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 70.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:40:44,669 INFO L158 Benchmark]: TraceAbstraction took 265.34ms. Allocated memory is still 111.1MB. Free memory was 69.7MB in the beginning and 57.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:40:44,669 INFO L158 Benchmark]: Witness Printer took 37.27ms. Allocated memory is still 111.1MB. Free memory was 57.1MB in the beginning and 55.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:40:44,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.29ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 81.8MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.08ms. Allocated memory is still 111.1MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 111.1MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 831.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.90ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 70.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 265.34ms. Allocated memory is still 111.1MB. Free memory was 69.7MB in the beginning and 57.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 37.27ms. Allocated memory is still 111.1MB. Free memory was 57.1MB in the beginning and 55.9MB in the end (delta: 1.3MB). 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: 332]: integer overflow possible integer overflow possible We found a FailurePath: [L332] 2147483647 + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-11-03 02:40:44,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73db4dd7-cb19-4c50-9273-fbc5978e84b7/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)