./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:04:14,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:04:14,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:04:14,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:04:14,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:04:14,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:04:14,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:04:14,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:04:14,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:04:14,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:04:14,455 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:04:14,456 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:04:14,456 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:04:14,457 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:04:14,457 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:04:14,458 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:04:14,458 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:04:14,459 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:04:14,459 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:04:14,460 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:04:14,460 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:04:14,461 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:04:14,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:04:14,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:04:14,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:04:14,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:04:14,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:04:14,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:04:14,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:04:14,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:04:14,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:04:14,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:04:14,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:04:14,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:04:14,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:04:14,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:04:14,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:04:14,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:04:14,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:04:14,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:04:14,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:04:14,468 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:04:14,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:04:14,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:04:14,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:04:14,468 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:04:14,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:04:14,469 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 [2023-12-02 14:04:14,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:04:14,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:04:14,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:04:14,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:04:14,709 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:04:14,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/loops/array-1.c [2023-12-02 14:04:17,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:04:17,613 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:04:17,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/sv-benchmarks/c/loops/array-1.c [2023-12-02 14:04:17,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/data/8c3cf9ea9/1e1fe9a8771b40bd9e3a425088a72e0b/FLAG65555995e [2023-12-02 14:04:17,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/data/8c3cf9ea9/1e1fe9a8771b40bd9e3a425088a72e0b [2023-12-02 14:04:17,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:04:17,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:04:17,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:04:17,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:04:17,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:04:17,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649c0185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17, skipping insertion in model container [2023-12-02 14:04:17,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:04:17,814 WARN L240 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_1413d539-b426-4584-b25c-96b79f8dcbb5/sv-benchmarks/c/loops/array-1.c[319,332] [2023-12-02 14:04:17,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:04:17,838 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:04:17,850 WARN L240 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_1413d539-b426-4584-b25c-96b79f8dcbb5/sv-benchmarks/c/loops/array-1.c[319,332] [2023-12-02 14:04:17,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:04:17,870 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:04:17,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17 WrapperNode [2023-12-02 14:04:17,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:04:17,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:04:17,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:04:17,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:04:17,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,906 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-12-02 14:04:17,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:04:17,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:04:17,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:04:17,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:04:17,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:04:17,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:04:17,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:04:17,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:04:17,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (1/1) ... [2023-12-02 14:04:17,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:04:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:04:17,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:04:17,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:04:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:04:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:04:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:04:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:04:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:04:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:04:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:04:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:04:18,071 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:04:18,074 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:04:18,190 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:04:18,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:04:18,243 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:04:18,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:18 BoogieIcfgContainer [2023-12-02 14:04:18,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:04:18,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:04:18,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:04:18,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:04:18,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:04:17" (1/3) ... [2023-12-02 14:04:18,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534e7d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:04:18, skipping insertion in model container [2023-12-02 14:04:18,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:04:17" (2/3) ... [2023-12-02 14:04:18,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534e7d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:04:18, skipping insertion in model container [2023-12-02 14:04:18,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:18" (3/3) ... [2023-12-02 14:04:18,252 INFO L112 eAbstractionObserver]: Analyzing ICFG array-1.c [2023-12-02 14:04:18,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:04:18,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:04:18,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:04:18,309 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=LoopHeads, 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;@46558325, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:04:18,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:04:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-12-02 14:04:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 14:04:18,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:04:18,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 14:04:18,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:04:18,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:04:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2064998, now seen corresponding path program 1 times [2023-12-02 14:04:18,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:04:18,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276647173] [2023-12-02 14:04:18,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:18,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:04:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:04:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:04:18,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:04:18,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276647173] [2023-12-02 14:04:18,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276647173] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:04:18,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:04:18,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:04:18,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780250020] [2023-12-02 14:04:18,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:04:18,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:04:18,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:04:18,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:04:18,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:04:18,674 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 14:04:18,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:04:18,700 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2023-12-02 14:04:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:04:18,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-12-02 14:04:18,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:04:18,707 INFO L225 Difference]: With dead ends: 13 [2023-12-02 14:04:18,707 INFO L226 Difference]: Without dead ends: 6 [2023-12-02 14:04:18,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:04:18,713 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:04:18,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:04:18,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-12-02 14:04:18,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-12-02 14:04:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-12-02 14:04:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 14:04:18,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2023-12-02 14:04:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:04:18,738 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2023-12-02 14:04:18,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 14:04:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 14:04:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 14:04:18,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:04:18,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 14:04:18,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:04:18,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:04:18,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:04:18,740 INFO L85 PathProgramCache]: Analyzing trace with hash 64119651, now seen corresponding path program 1 times [2023-12-02 14:04:18,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:04:18,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647632366] [2023-12-02 14:04:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:18,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:04:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:04:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:04:19,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:04:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647632366] [2023-12-02 14:04:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647632366] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:04:19,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387497416] [2023-12-02 14:04:19,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:19,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:04:19,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:04:19,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:04:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:04:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:04:19,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 14:04:19,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:04:19,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 14:04:19,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 14:04:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:04:19,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:04:19,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2023-12-02 14:04:19,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:04:19,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 87 [2023-12-02 14:04:19,688 INFO L349 Elim1Store]: treesize reduction 28, result has 17.6 percent of original size [2023-12-02 14:04:19,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 52 [2023-12-02 14:04:19,698 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-12-02 14:04:19,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 5 [2023-12-02 14:04:19,711 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-12-02 14:04:19,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2023-12-02 14:04:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:04:19,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387497416] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:04:19,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [983375516] [2023-12-02 14:04:19,743 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2023-12-02 14:04:19,744 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:04:19,747 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:04:19,752 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:04:19,753 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:04:20,381 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:04:20,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [983375516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:04:20,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:04:20,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 4] total 9 [2023-12-02 14:04:20,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235557168] [2023-12-02 14:04:20,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:04:20,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:04:20,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:04:20,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:04:20,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:04:20,925 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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) [2023-12-02 14:04:20,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:04:20,955 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2023-12-02 14:04:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:04:20,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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 [2023-12-02 14:04:20,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:04:20,956 INFO L225 Difference]: With dead ends: 6 [2023-12-02 14:04:20,956 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 14:04:20,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:04:20,958 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:04:20,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:04:20,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 14:04:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 14:04:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-12-02 14:04:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 14:04:20,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2023-12-02 14:04:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:04:20,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 14:04:20,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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) [2023-12-02 14:04:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 14:04:20,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 14:04:20,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:04:20,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:04:21,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:04:21,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 14:04:21,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 14:04:21,468 INFO L895 garLoopResultBuilder]: At program point L21-3(lines 21 26) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#array~0#1.base|)) (.cse2 (exists ((|v_#length_8| (Array Int Int))) (and (= |#length| (store |v_#length_8| |ULTIMATE.start_main_~#array~0#1.base| 4)) (= (select |v_#length_8| 3) 12) (= (select |v_#length_8| 2) 10) (= (select |v_#length_8| 1) 2)))) (.cse3 (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) (.cse4 (exists ((|v_#valid_18| (Array Int Int))) (and (= (select |v_#valid_18| 2) 1) (= (select |v_#valid_18| 0) 0) (= 1 (select |v_#valid_18| 1)) (= (select |v_#valid_18| |ULTIMATE.start_main_~#array~0#1.base|) 0) (= (store |v_#valid_18| |ULTIMATE.start_main_~#array~0#1.base| 1) |#valid|) (= (select |v_#valid_18| 3) 1)))) (.cse6 (= |ULTIMATE.start_main_~SIZE~0#1| 1))) (or (let ((.cse5 (select |#memory_int| 1))) (and .cse0 .cse1 .cse2 (<= 0 (+ |ULTIMATE.start_main_~menor~0#1| 2147483648)) .cse3 .cse4 (= (select .cse5 0) 48) (= |ULTIMATE.start_main_~j~0#1| 0) (<= |ULTIMATE.start_main_~menor~0#1| 2147483647) .cse6 (= (select .cse5 1) 0))) (let ((.cse7 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) 0))) (and (<= .cse7 2147483647) .cse0 .cse1 .cse2 (exists ((|v_ULTIMATE.start_main_#t~mem8#1_21| Int) (|v_ULTIMATE.start_main_~menor~0#1_27| Int)) (and (or (and (= .cse7 |ULTIMATE.start_main_~menor~0#1|) (<= .cse7 |v_ULTIMATE.start_main_~menor~0#1_27|)) (and (= |ULTIMATE.start_main_#t~mem8#1| |v_ULTIMATE.start_main_#t~mem8#1_21|) (= |v_ULTIMATE.start_main_~menor~0#1_27| |ULTIMATE.start_main_~menor~0#1|) (<= (+ |v_ULTIMATE.start_main_~menor~0#1_27| 1) .cse7))) (<= 0 (+ |v_ULTIMATE.start_main_~menor~0#1_27| 2147483648)) (<= |v_ULTIMATE.start_main_~menor~0#1_27| 2147483647))) (<= 0 (+ .cse7 2147483648)) (exists ((|v_#memory_int_20| (Array Int (Array Int Int)))) (let ((.cse8 (select |v_#memory_int_20| 1))) (and (= (select .cse8 0) 48) (= |#memory_int| (store |v_#memory_int_20| |ULTIMATE.start_main_~#array~0#1.base| (store (select |v_#memory_int_20| |ULTIMATE.start_main_~#array~0#1.base|) 0 .cse7))) (= (select .cse8 1) 0)))) .cse3 .cse4 (= |ULTIMATE.start_main_~j~0#1| 1) .cse6)))) [2023-12-02 14:04:21,468 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 14:04:21,468 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-12-02 14:04:21,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2023-12-02 14:04:21,468 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-12-02 14:04:21,468 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 10) no Hoare annotation was computed. [2023-12-02 14:04:21,472 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 14:04:21,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:04:21,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_8 : [int]int :: ((#length == v_#length_8[~#array~0!base := 4] && v_#length_8[3] == 12) && v_#length_8[2] == 10) && v_#length_8[1] == 2) could not be translated [2023-12-02 14:04:21,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_18 : [int]int :: ((((v_#valid_18[2] == 1 && v_#valid_18[0] == 0) && 1 == v_#valid_18[1]) && v_#valid_18[~#array~0!base] == 0) && v_#valid_18[~#array~0!base := 1] == #valid) && v_#valid_18[3] == 1) could not be translated [2023-12-02 14:04:21,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 14:04:21,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 14:04:21,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][0] could not be translated [2023-12-02 14:04:21,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_8 : [int]int :: ((#length == v_#length_8[~#array~0!base := 4] && v_#length_8[3] == 12) && v_#length_8[2] == 10) && v_#length_8[1] == 2) could not be translated [2023-12-02 14:04:21,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~mem8#1_21 : int, v_ULTIMATE.start_main_~menor~0#1_27 : int :: (((#memory_int[~#array~0!base][0] == ~menor~0 && #memory_int[~#array~0!base][0] <= v_ULTIMATE.start_main_~menor~0#1_27) || ((#t~mem8 == v_ULTIMATE.start_main_#t~mem8#1_21 && v_ULTIMATE.start_main_~menor~0#1_27 == ~menor~0) && v_ULTIMATE.start_main_~menor~0#1_27 + 1 <= #memory_int[~#array~0!base][0])) && 0 <= v_ULTIMATE.start_main_~menor~0#1_27 + 2147483648) && v_ULTIMATE.start_main_~menor~0#1_27 <= 2147483647) could not be translated [2023-12-02 14:04:21,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][0] could not be translated [2023-12-02 14:04:21,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_20 : [int,int]int :: (v_#memory_int_20[1][0] == 48 && #memory_int == v_#memory_int_20[~#array~0!base := v_#memory_int_20[~#array~0!base][0 := #memory_int[~#array~0!base][0]]]) && v_#memory_int_20[1][1] == 0) could not be translated [2023-12-02 14:04:21,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_18 : [int]int :: ((((v_#valid_18[2] == 1 && v_#valid_18[0] == 0) && 1 == v_#valid_18[1]) && v_#valid_18[~#array~0!base] == 0) && v_#valid_18[~#array~0!base := 1] == #valid) && v_#valid_18[3] == 1) could not be translated [2023-12-02 14:04:21,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:04:21 BoogieIcfgContainer [2023-12-02 14:04:21,496 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:04:21,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:04:21,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:04:21,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:04:21,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:04:18" (3/4) ... [2023-12-02 14:04:21,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 14:04:21,505 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-02 14:04:21,505 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 14:04:21,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 14:04:21,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:04:21,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 14:04:21,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 14:04:21,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:04:21,587 INFO L158 Benchmark]: Toolchain (without parser) took 3948.81ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 123.5MB in the beginning and 109.8MB in the end (delta: 13.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,587 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:04:21,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.90ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 113.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.05ms. Allocated memory is still 161.5MB. Free memory was 113.0MB in the beginning and 111.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,589 INFO L158 Benchmark]: Boogie Preprocessor took 22.36ms. Allocated memory is still 161.5MB. Free memory was 111.4MB in the beginning and 110.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,589 INFO L158 Benchmark]: RCFGBuilder took 314.96ms. Allocated memory is still 161.5MB. Free memory was 110.1MB in the beginning and 98.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,589 INFO L158 Benchmark]: TraceAbstraction took 3249.16ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 97.1MB in the beginning and 114.0MB in the end (delta: -16.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,590 INFO L158 Benchmark]: Witness Printer took 89.91ms. Allocated memory is still 195.0MB. Free memory was 114.0MB in the beginning and 109.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:04:21,592 INFO L338 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 111.1MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.90ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 113.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.05ms. Allocated memory is still 161.5MB. Free memory was 113.0MB in the beginning and 111.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.36ms. Allocated memory is still 161.5MB. Free memory was 111.4MB in the beginning and 110.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.96ms. Allocated memory is still 161.5MB. Free memory was 110.1MB in the beginning and 98.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3249.16ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 97.1MB in the beginning and 114.0MB in the end (delta: -16.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 89.91ms. Allocated memory is still 195.0MB. Free memory was 114.0MB in the beginning and 109.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_8 : [int]int :: ((#length == v_#length_8[~#array~0!base := 4] && v_#length_8[3] == 12) && v_#length_8[2] == 10) && v_#length_8[1] == 2) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_18 : [int]int :: ((((v_#valid_18[2] == 1 && v_#valid_18[0] == 0) && 1 == v_#valid_18[1]) && v_#valid_18[~#array~0!base] == 0) && v_#valid_18[~#array~0!base := 1] == #valid) && v_#valid_18[3] == 1) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_8 : [int]int :: ((#length == v_#length_8[~#array~0!base := 4] && v_#length_8[3] == 12) && v_#length_8[2] == 10) && v_#length_8[1] == 2) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~mem8#1_21 : int, v_ULTIMATE.start_main_~menor~0#1_27 : int :: (((#memory_int[~#array~0!base][0] == ~menor~0 && #memory_int[~#array~0!base][0] <= v_ULTIMATE.start_main_~menor~0#1_27) || ((#t~mem8 == v_ULTIMATE.start_main_#t~mem8#1_21 && v_ULTIMATE.start_main_~menor~0#1_27 == ~menor~0) && v_ULTIMATE.start_main_~menor~0#1_27 + 1 <= #memory_int[~#array~0!base][0])) && 0 <= v_ULTIMATE.start_main_~menor~0#1_27 + 2147483648) && v_ULTIMATE.start_main_~menor~0#1_27 <= 2147483647) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_20 : [int,int]int :: (v_#memory_int_20[1][0] == 48 && #memory_int == v_#memory_int_20[~#array~0!base := v_#memory_int_20[~#array~0!base][0 := #memory_int[~#array~0!base][0]]]) && v_#memory_int_20[1][1] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_18 : [int]int :: ((((v_#valid_18[2] == 1 && v_#valid_18[0] == 0) && 1 == v_#valid_18[1]) && v_#valid_18[~#array~0!base] == 0) && v_#valid_18[~#array~0!base := 1] == #valid) && v_#valid_18[3] == 1) could not be translated * 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 - PositiveResult [Line: 7]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 260 HoareAnnotationTreeSize, 1 FomulaSimplifications, 167 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 89 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 11 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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: OVERALL_TIME: 0.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 5, TOOLS_POST_TIME: 0.5s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 5, TOOLS_QUANTIFIERELIM_TIME: 0.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 14, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 27, DAG_COMPRESSION_RETAINED_NODES: 16, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((0 <= (menor + 2147483648)) && (j == 0)) && (menor <= 2147483647)) && (SIZE == 1)) || ((j == 1) && (SIZE == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-02 14:04:21,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1413d539-b426-4584-b25c-96b79f8dcbb5/bin/utaipan-verify-nQ1chXbOIh/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 Result: TRUE