./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:00,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:00,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:11:00,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:00,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:00,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:00,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:00,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:00,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:00,657 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:00,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:00,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:00,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:00,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:00,662 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:00,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:00,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:00,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:00,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:00,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:00,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:00,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:00,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:00,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:00,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:00,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:00,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:00,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:00,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:00,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:00,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:00,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:00,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:00,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:00,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:00,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:00,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:00,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:00,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:00,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:00,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:00,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:00,675 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_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 [2023-11-21 22:11:01,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:01,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:01,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:01,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:01,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:01,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2023-11-21 22:11:04,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:04,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:04,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2023-11-21 22:11:04,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/data/8c801377a/95af4c98ada14ff698dfabcc5c69cbcd/FLAG77ee4123f [2023-11-21 22:11:04,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/data/8c801377a/95af4c98ada14ff698dfabcc5c69cbcd [2023-11-21 22:11:04,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:04,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:04,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:04,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:04,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:04,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:04" (1/1) ... [2023-11-21 22:11:04,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8c8e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:04, skipping insertion in model container [2023-11-21 22:11:04,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:04" (1/1) ... [2023-11-21 22:11:04,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:04,952 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_896d4bc9-54eb-48fa-8946-64c4c61b8613/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2023-11-21 22:11:05,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:05,039 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:05,054 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_896d4bc9-54eb-48fa-8946-64c4c61b8613/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2023-11-21 22:11:05,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:05,165 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:05,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05 WrapperNode [2023-11-21 22:11:05,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:05,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:05,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:05,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:05,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,258 INFO L138 Inliner]: procedures = 29, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2023-11-21 22:11:05,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:05,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:05,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:05,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:05,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,279 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,298 INFO L187 HeapSplitter]: Split 115 memory accesses to 2 slices as follows [2, 113] [2023-11-21 22:11:05,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:05,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:05,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:05,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:05,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (1/1) ... [2023-11-21 22:11:05,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:05,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:05,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:11:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:11:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 22:11:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 22:11:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 22:11:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 22:11:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:11:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:11:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-21 22:11:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-21 22:11:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:11:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:11:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:11:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:11:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:05,665 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:05,668 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:06,403 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:07,617 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:07,617 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:11:07,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:07 BoogieIcfgContainer [2023-11-21 22:11:07,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:07,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:11:07,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:11:07,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:11:07,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:04" (1/3) ... [2023-11-21 22:11:07,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642eae83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:07, skipping insertion in model container [2023-11-21 22:11:07,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:05" (2/3) ... [2023-11-21 22:11:07,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642eae83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:07, skipping insertion in model container [2023-11-21 22:11:07,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:07" (3/3) ... [2023-11-21 22:11:07,637 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-54.i [2023-11-21 22:11:07,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:11:07,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:11:07,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:11:07,742 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=PETRI_NET, 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;@1ba7eafe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:11:07,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:11:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 22:11:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 22:11:07,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:11:07,764 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:07,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:11:07,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:07,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1695304816, now seen corresponding path program 1 times [2023-11-21 22:11:07,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:07,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158509849] [2023-11-21 22:11:07,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:11:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:11:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:11:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:11:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:11:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:11:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 22:11:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:11:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-21 22:11:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-21 22:11:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-21 22:11:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 22:11:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-21 22:11:23,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:23,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158509849] [2023-11-21 22:11:23,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158509849] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:11:23,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297055005] [2023-11-21 22:11:23,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:23,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:11:23,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:23,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:11:23,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:11:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:24,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-21 22:11:24,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:24,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-21 22:11:24,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-21 22:11:24,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-21 22:11:24,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:24,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-21 22:11:24,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:24,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-21 22:11:24,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:24,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-21 22:11:25,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:25,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-21 22:11:31,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 123 [2023-11-21 22:11:31,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2023-11-21 22:11:31,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 162 [2023-11-21 22:11:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 64 proven. 16 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 22:11:34,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:11:42,211 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 9 treesize of output 1 [2023-11-21 22:11:43,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-21 22:11:43,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-21 22:11:43,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-11-21 22:11:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-21 22:11:43,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297055005] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:11:43,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:11:43,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 18 [2023-11-21 22:11:43,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515965032] [2023-11-21 22:11:43,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:11:43,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-21 22:11:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:43,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-21 22:11:43,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-11-21 22:11:43,899 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 18 states, 10 states have (on average 5.1) internal successors, (51), 18 states have internal predecessors, (51), 12 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 12 states have call successors, (36) [2023-11-21 22:11:44,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:44,825 INFO L93 Difference]: Finished difference Result 97 states and 132 transitions. [2023-11-21 22:11:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-21 22:11:44,828 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 10 states have (on average 5.1) internal successors, (51), 18 states have internal predecessors, (51), 12 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 12 states have call successors, (36) Word has length 52 [2023-11-21 22:11:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:11:44,835 INFO L225 Difference]: With dead ends: 97 [2023-11-21 22:11:44,835 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:11:44,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2023-11-21 22:11:44,842 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 52 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:11:44,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 28 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-21 22:11:44,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:11:44,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:11:44,871 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) [2023-11-21 22:11:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:11:44,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2023-11-21 22:11:44,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:11:44,873 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:11:44,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 10 states have (on average 5.1) internal successors, (51), 18 states have internal predecessors, (51), 12 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (36), 7 states have call predecessors, (36), 12 states have call successors, (36) [2023-11-21 22:11:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:11:44,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:11:44,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:11:44,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:45,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:11:45,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:11:45,266 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:11:45,267 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:11:45,267 INFO L895 garLoopResultBuilder]: At program point L101-8(line 101) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,268 INFO L899 garLoopResultBuilder]: For program point L101-9(line 101) no Hoare annotation was computed. [2023-11-21 22:11:45,268 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:11:45,268 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:11:45,268 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:11:45,269 INFO L895 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,269 INFO L899 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2023-11-21 22:11:45,269 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,269 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-21 22:11:45,270 INFO L895 garLoopResultBuilder]: At program point L104(line 104) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,270 INFO L899 garLoopResultBuilder]: For program point L104-1(line 104) no Hoare annotation was computed. [2023-11-21 22:11:45,270 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,270 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2023-11-21 22:11:45,271 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,271 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-11-21 22:11:45,271 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:11:45,271 INFO L895 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,272 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-11-21 22:11:45,272 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-11-21 22:11:45,272 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-11-21 22:11:45,272 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (or (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) (< 0 (mod |ULTIMATE.start_updateVariables_#t~mem48#1| 256))) [2023-11-21 22:11:45,272 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-11-21 22:11:45,273 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:11:45,273 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,273 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-11-21 22:11:45,273 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,274 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-21 22:11:45,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:11:45,274 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 115 121) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,274 INFO L895 garLoopResultBuilder]: At program point L99-8(line 99) the Hoare annotation is: (= (mod (select (select |#memory_int#1| |~#WrapperStruct00~0.base|) (+ |~#WrapperStruct00~0.offset| 4)) 256) 0) [2023-11-21 22:11:45,275 INFO L899 garLoopResultBuilder]: For program point L99-9(line 99) no Hoare annotation was computed. [2023-11-21 22:11:45,282 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:11:45,285 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:11:45,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 4] could not be translated [2023-11-21 22:11:45,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:11:45 BoogieIcfgContainer [2023-11-21 22:11:45,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:11:45,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:11:45,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:11:45,309 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:11:45,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:07" (3/4) ... [2023-11-21 22:11:45,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:11:45,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:11:45,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2023-11-21 22:11:45,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-21 22:11:45,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:11:45,336 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:11:45,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:11:45,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:11:45,553 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:11:45,554 INFO L158 Benchmark]: Toolchain (without parser) took 40847.89ms. Allocated memory was 140.5MB in the beginning and 975.2MB in the end (delta: 834.7MB). Free memory was 92.3MB in the beginning and 757.3MB in the end (delta: -665.0MB). Peak memory consumption was 170.2MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,554 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:45,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.37ms. Allocated memory is still 140.5MB. Free memory was 91.8MB in the beginning and 77.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.32ms. Allocated memory is still 140.5MB. Free memory was 76.6MB in the beginning and 72.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,556 INFO L158 Benchmark]: Boogie Preprocessor took 127.32ms. Allocated memory is still 140.5MB. Free memory was 72.9MB in the beginning and 68.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,556 INFO L158 Benchmark]: RCFGBuilder took 2232.41ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 68.7MB in the beginning and 92.9MB in the end (delta: -24.2MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,557 INFO L158 Benchmark]: TraceAbstraction took 37682.63ms. Allocated memory was 192.9MB in the beginning and 975.2MB in the end (delta: 782.2MB). Free memory was 91.8MB in the beginning and 767.8MB in the end (delta: -676.0MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,559 INFO L158 Benchmark]: Witness Printer took 245.30ms. Allocated memory is still 975.2MB. Free memory was 767.8MB in the beginning and 757.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:11:45,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.37ms. Allocated memory is still 140.5MB. Free memory was 91.8MB in the beginning and 77.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.32ms. Allocated memory is still 140.5MB. Free memory was 76.6MB in the beginning and 72.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.32ms. Allocated memory is still 140.5MB. Free memory was 72.9MB in the beginning and 68.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2232.41ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 68.7MB in the beginning and 92.9MB in the end (delta: -24.2MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * TraceAbstraction took 37682.63ms. Allocated memory was 192.9MB in the beginning and 975.2MB in the end (delta: 782.2MB). Free memory was 91.8MB in the beginning and 767.8MB in the end (delta: -676.0MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * Witness Printer took 245.30ms. Allocated memory is still 975.2MB. Free memory was 767.8MB in the beginning and 757.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#WrapperStruct00~0!base][~#WrapperStruct00~0!offset + 4] 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: 19]: 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 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.6s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285 IncrementalHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 13 mSDtfsCounter, 285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 49 PreInvPairs, 75 NumberOfFragments, 140 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 531 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 33.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 1697 SizeOfPredicates, 16 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 368/396 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-21 22:11:45,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896d4bc9-54eb-48fa-8946-64c4c61b8613/bin/uautomizer-verify-bycVGegfSx/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