./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fab3df42fb7f885fd39a281a051af0420a7d494ced4f3c2e06236facb6a7ec78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:59:18,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:59:18,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:59:18,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:59:18,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:59:18,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:59:18,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:59:18,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:59:18,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:59:18,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:59:18,536 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:59:18,537 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:59:18,537 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:59:18,538 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:59:18,538 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:59:18,539 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:59:18,540 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:59:18,540 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:59:18,541 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:59:18,541 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:59:18,542 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:59:18,548 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:59:18,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:59:18,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:59:18,551 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:59:18,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:59:18,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:59:18,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:59:18,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:59:18,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:59:18,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:59:18,554 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:59:18,555 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:59:18,555 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:59:18,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:59:18,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:59:18,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:59:18,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:59:18,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:59:18,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:18,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:59:18,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:59:18,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:59:18,562 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:59:18,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:59:18,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:59:18,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:59:18,564 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:59:18,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:59:18,564 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_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab3df42fb7f885fd39a281a051af0420a7d494ced4f3c2e06236facb6a7ec78 [2023-11-24 23:59:18,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:59:18,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:59:18,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:59:18,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:59:18,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:59:18,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c [2023-11-24 23:59:22,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:22,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:22,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c [2023-11-24 23:59:22,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/data/0fe70dc36/63e85608481843b79c703024a8a01810/FLAG59cd9aa41 [2023-11-24 23:59:22,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/data/0fe70dc36/63e85608481843b79c703024a8a01810 [2023-11-24 23:59:22,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:22,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:22,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:22,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:22,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:22,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f9df6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22, skipping insertion in model container [2023-11-24 23:59:22,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:22,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:22,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:22,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:22,758 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:22,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22 WrapperNode [2023-11-24 23:59:22,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:22,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:22,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:22,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:22,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,809 INFO L138 Inliner]: procedures = 13, calls = 48, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2023-11-24 23:59:22,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:22,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:22,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:22,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:22,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:22,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:22,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:22,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:22,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (1/1) ... [2023-11-24 23:59:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:22,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:22,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:22,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:59:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:59:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:59:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:59:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:59:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_12_to_15_0 [2023-11-24 23:59:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_12_to_15_0 [2023-11-24 23:59:23,036 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:23,038 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:23,260 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:23,294 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:23,294 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:59:23,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:23 BoogieIcfgContainer [2023-11-24 23:59:23,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:23,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:23,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:23,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:23,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:22" (1/3) ... [2023-11-24 23:59:23,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6543b5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:23, skipping insertion in model container [2023-11-24 23:59:23,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:22" (2/3) ... [2023-11-24 23:59:23,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6543b5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:23, skipping insertion in model container [2023-11-24 23:59:23,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:23" (3/3) ... [2023-11-24 23:59:23,330 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_linear-inequality-inv-a.c [2023-11-24 23:59:23,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:23,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-24 23:59:23,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6543b5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:59:23, skipping insertion in model container [2023-11-24 23:59:23,349 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:59:23,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:59:23,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:59:23,351 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:59:23,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:23" (3/3) ... [2023-11-24 23:59:23,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:59:23,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-24 23:59:23,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_12_to_15_0 [2023-11-24 23:59:23,363 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-24 23:59:23,364 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:59:23,364 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:59:23,365 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:59:23,477 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:59:23,477 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:59:23,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:59:23,479 INFO L158 Benchmark]: Toolchain (without parser) took 1036.62ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 96.0MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:23,480 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:23,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.65ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 74.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:59:23,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.02ms. Allocated memory is still 132.1MB. Free memory was 74.8MB in the beginning and 73.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:23,481 INFO L158 Benchmark]: Boogie Preprocessor took 60.03ms. Allocated memory is still 132.1MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:59:23,482 INFO L158 Benchmark]: RCFGBuilder took 425.89ms. Allocated memory is still 132.1MB. Free memory was 72.0MB in the beginning and 58.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:59:23,482 INFO L158 Benchmark]: TraceAbstraction took 27.86ms. Allocated memory is still 132.1MB. Free memory was 103.3MB in the beginning and 100.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:59:23,483 INFO L158 Benchmark]: Witness Printer took 127.66ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 96.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:59:23,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.65ms. Allocated memory is still 132.1MB. Free memory was 85.3MB in the beginning and 74.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.02ms. Allocated memory is still 132.1MB. Free memory was 74.8MB in the beginning and 73.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.03ms. Allocated memory is still 132.1MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.89ms. Allocated memory is still 132.1MB. Free memory was 72.0MB in the beginning and 58.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27.86ms. Allocated memory is still 132.1MB. Free memory was 103.3MB in the beginning and 100.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 127.66ms. Allocated memory is still 132.1MB. Free memory was 100.8MB in the beginning and 96.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:59:23,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f79d3c72-6549-4a57-bf2f-ae555f1f0a60/bin/utaipan-verify-SwPr7d2a91/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 Result: TRUE