./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 9bd2c7ff 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_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fab3df42fb7f885fd39a281a051af0420a7d494ced4f3c2e06236facb6a7ec78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:55,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:55,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:38:55,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:55,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:55,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:55,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:55,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:55,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:55,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:55,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:55,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:55,598 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:55,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:55,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:55,600 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:55,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:55,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:55,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:55,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:55,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:55,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:55,604 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:38:55,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:55,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:55,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:55,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:55,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:55,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:55,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:55,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:55,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:55,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:55,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:55,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:55,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:55,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:55,628 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:55,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:55,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:55,629 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:55,630 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab3df42fb7f885fd39a281a051af0420a7d494ced4f3c2e06236facb6a7ec78 [2023-11-19 07:38:55,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:55,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:55,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:55,998 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:55,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:56,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c [2023-11-19 07:38:59,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:59,346 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:59,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c [2023-11-19 07:38:59,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/data/6ee1668c5/676cba187bcd4439be81549118da2147/FLAG19ebed129 [2023-11-19 07:38:59,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/data/6ee1668c5/676cba187bcd4439be81549118da2147 [2023-11-19 07:38:59,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:59,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:59,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:59,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:59,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:59,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121849b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59, skipping insertion in model container [2023-11-19 07:38:59,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:59,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:59,590 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:59,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:59,618 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:59,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59 WrapperNode [2023-11-19 07:38:59,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:59,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:59,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:59,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:59,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,666 INFO L138 Inliner]: procedures = 13, calls = 48, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2023-11-19 07:38:59,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:59,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:59,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:59,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:59,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:59,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:59,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:59,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:59,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (1/1) ... [2023-11-19 07:38:59,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:59,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:59,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:59,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 07:38:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 07:38:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_12_to_15_0 [2023-11-19 07:38:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_12_to_15_0 [2023-11-19 07:38:59,871 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:59,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:00,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:00,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:00,116 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:39:00,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:00 BoogieIcfgContainer [2023-11-19 07:39:00,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:00,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:00,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:00,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:00,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:59" (1/3) ... [2023-11-19 07:39:00,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3208a17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:00, skipping insertion in model container [2023-11-19 07:39:00,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:59" (2/3) ... [2023-11-19 07:39:00,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3208a17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:00, skipping insertion in model container [2023-11-19 07:39:00,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:00" (3/3) ... [2023-11-19 07:39:00,133 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_linear-inequality-inv-a.c [2023-11-19 07:39:00,157 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:00,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 07:39:00,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3208a17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:39:00, skipping insertion in model container [2023-11-19 07:39:00,162 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:39:00,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:39:00,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:39:00,166 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:39:00,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:00" (3/3) ... [2023-11-19 07:39:00,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:39:00,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-19 07:39:00,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_12_to_15_0 [2023-11-19 07:39:00,188 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 07:39:00,189 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:39:00,189 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:39:00,190 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:39:00,330 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:39:00,331 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:39:00,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:39:00,336 INFO L158 Benchmark]: Toolchain (without parser) took 958.87ms. Allocated memory is still 130.0MB. Free memory was 92.5MB in the beginning and 58.2MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 07:39:00,340 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:00,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.48ms. Allocated memory is still 130.0MB. Free memory was 92.2MB in the beginning and 81.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:39:00,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.20ms. Allocated memory is still 130.0MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:00,342 INFO L158 Benchmark]: Boogie Preprocessor took 27.03ms. Allocated memory is still 130.0MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:00,342 INFO L158 Benchmark]: RCFGBuilder took 425.32ms. Allocated memory is still 130.0MB. Free memory was 79.0MB in the beginning and 66.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:39:00,344 INFO L158 Benchmark]: TraceAbstraction took 39.52ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:00,344 INFO L158 Benchmark]: Witness Printer took 167.14ms. Allocated memory is still 130.0MB. Free memory was 63.2MB in the beginning and 58.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:39:00,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.48ms. Allocated memory is still 130.0MB. Free memory was 92.2MB in the beginning and 81.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.20ms. Allocated memory is still 130.0MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.03ms. Allocated memory is still 130.0MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.32ms. Allocated memory is still 130.0MB. Free memory was 79.0MB in the beginning and 66.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 39.52ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 167.14ms. Allocated memory is still 130.0MB. Free memory was 63.2MB in the beginning and 58.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. 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! [2023-11-19 07:39:00,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b88f70c7-a8bf-483a-a0d5-b1f83be6347b/bin/uautomizer-verify-uCwYo4JHxu/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