./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcd8b7c9719c9e124f88c0306e66fdc794df6c79afaa727af6840898442d18a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:27:57,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:27:57,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:27:57,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:27:57,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:27:57,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:27:57,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:27:57,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:27:57,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:27:57,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:27:57,341 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:27:57,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:27:57,343 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:27:57,343 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:27:57,344 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:27:57,344 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:27:57,344 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:27:57,344 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:27:57,345 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:27:57,345 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:27:57,345 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:27:57,345 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:27:57,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:27:57,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:27:57,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:27:57,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:27:57,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:27:57,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:27:57,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:27:57,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:27:57,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:27:57,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:27:57,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:27:57,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:27:57,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:27:57,349 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:27:57,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:27:57,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:27:57,349 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:27:57,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:27:57,350 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcd8b7c9719c9e124f88c0306e66fdc794df6c79afaa727af6840898442d18a1 [2024-11-13 23:27:57,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:27:57,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:27:57,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:27:57,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:27:57,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:27:57,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i Unable to find full path for "g++" [2024-11-13 23:27:59,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:28:00,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:28:00,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i [2024-11-13 23:28:00,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/data/b507a732c/5ae7be1c954d46f6b412b632b93c36f9/FLAGcaa119698 [2024-11-13 23:28:00,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/data/b507a732c/5ae7be1c954d46f6b412b632b93c36f9 [2024-11-13 23:28:00,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:28:00,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:28:00,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:28:00,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:28:00,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:28:00,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3a32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00, skipping insertion in model container [2024-11-13 23:28:00,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:28:00,470 WARN L250 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_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2024-11-13 23:28:00,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:28:00,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:28:00,576 WARN L250 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_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-76.i[916,929] [2024-11-13 23:28:00,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:28:00,668 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:28:00,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00 WrapperNode [2024-11-13 23:28:00,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:28:00,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:28:00,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:28:00,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:28:00,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,745 INFO L138 Inliner]: procedures = 30, calls = 134, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2024-11-13 23:28:00,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:28:00,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:28:00,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:28:00,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:28:00,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:28:00,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:28:00,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:28:00,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:28:00,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (1/1) ... [2024-11-13 23:28:00,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:28:00,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:28:00,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:28:00,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:28:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:28:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 23:28:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:28:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:28:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:28:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:28:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:28:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:28:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:28:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:28:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:28:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:28:01,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:28:01,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:28:01,587 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-13 23:28:01,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:28:02,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:28:02,151 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:28:02,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:28:02 BoogieIcfgContainer [2024-11-13 23:28:02,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:28:02,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:28:02,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:28:02,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:28:02,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:28:00" (1/3) ... [2024-11-13 23:28:02,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4709e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:28:02, skipping insertion in model container [2024-11-13 23:28:02,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:00" (2/3) ... [2024-11-13 23:28:02,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4709e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:28:02, skipping insertion in model container [2024-11-13 23:28:02,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:28:02" (3/3) ... [2024-11-13 23:28:02,198 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-76.i [2024-11-13 23:28:02,214 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:28:02,215 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-76.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:28:02,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:28:02,299 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@712d7de9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:28:02,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:28:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 23:28:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 23:28:02,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:28:02,313 INFO L215 NwaCegarLoop]: trace histogram [15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:28:02,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:28:02,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:28:02,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1734325279, now seen corresponding path program 1 times [2024-11-13 23:28:02,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:28:02,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381982111] [2024-11-13 23:28:02,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:28:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-13 23:28:12,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:28:12,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381982111] [2024-11-13 23:28:12,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381982111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:28:12,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203568872] [2024-11-13 23:28:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:28:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:28:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:28:12,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:28:12,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:28:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 23:28:12,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:12,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 23:28:12,769 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 25 treesize of output 13 [2024-11-13 23:28:12,809 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 25 treesize of output 13 [2024-11-13 23:28:12,875 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 25 treesize of output 13 [2024-11-13 23:28:12,945 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 25 treesize of output 13 [2024-11-13 23:28:13,015 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 25 treesize of output 13 [2024-11-13 23:28:15,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 222 [2024-11-13 23:28:15,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 278 [2024-11-13 23:28:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 94 proven. 22 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-13 23:28:17,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:28:21,470 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 [2024-11-13 23:28:21,532 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 [2024-11-13 23:28:22,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-13 23:28:22,926 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-13 23:28:22,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 1 [2024-11-13 23:28:23,002 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-13 23:28:23,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 1 [2024-11-13 23:28:23,008 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-13 23:28:23,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:23,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 24 [2024-11-13 23:28:23,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-13 23:28:23,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-13 23:28:23,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-13 23:28:23,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-13 23:28:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-13 23:28:23,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203568872] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:28:23,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [199191745] [2024-11-13 23:28:23,391 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-13 23:28:23,392 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:28:23,395 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:28:23,402 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:28:23,403 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:28:34,465 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 174 for LOIs [2024-11-13 23:28:34,504 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:29:00,759 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:29:11,257 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:29:23,548 WARN L286 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 198 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:29:34,958 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 198 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:29:47,470 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:30:21,586 WARN L286 SmtUtils]: Spent 15.25s on a formula simplification that was a NOOP. DAG size: 243 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:30:45,605 WARN L286 SmtUtils]: Spent 16.74s on a formula simplification that was a NOOP. DAG size: 237 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:31:13,691 WARN L286 SmtUtils]: Spent 20.78s on a formula simplification that was a NOOP. DAG size: 253 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:31:40,581 WARN L286 SmtUtils]: Spent 19.24s on a formula simplification. DAG size of input: 255 DAG size of output: 252 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:32:07,110 WARN L286 SmtUtils]: Spent 18.41s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:32:33,278 WARN L286 SmtUtils]: Spent 18.02s on a formula simplification. DAG size of input: 254 DAG size of output: 253 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:33:02,959 WARN L286 SmtUtils]: Spent 21.15s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:33:33,795 WARN L286 SmtUtils]: Spent 21.90s on a formula simplification. DAG size of input: 271 DAG size of output: 268 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:34:05,106 WARN L286 SmtUtils]: Spent 22.21s on a formula simplification that was a NOOP. DAG size: 268 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:34:36,077 WARN L286 SmtUtils]: Spent 21.26s on a formula simplification. DAG size of input: 269 DAG size of output: 268 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:35:06,109 WARN L286 SmtUtils]: Spent 26.10s on a formula simplification that was a NOOP. DAG size: 284 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:35:42,861 WARN L286 SmtUtils]: Spent 26.55s on a formula simplification. DAG size of input: 286 DAG size of output: 283 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:36:21,219 WARN L286 SmtUtils]: Spent 27.51s on a formula simplification that was a NOOP. DAG size: 283 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:36:59,554 WARN L286 SmtUtils]: Spent 26.76s on a formula simplification. DAG size of input: 284 DAG size of output: 283 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:37:43,462 WARN L286 SmtUtils]: Spent 32.06s on a formula simplification that was a NOOP. DAG size: 295 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:38:31,737 WARN L286 SmtUtils]: Spent 35.70s on a formula simplification that was a NOOP. DAG size: 297 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:39:23,833 WARN L286 SmtUtils]: Spent 38.44s on a formula simplification that was a NOOP. DAG size: 297 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:40:11,679 WARN L286 SmtUtils]: Spent 35.24s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:40:11,681 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '439#(and (<= 1 |#StackHeapBarrier|) (= |~#WrapperStruct00~0.base| 4) (= (+ ~last_1_WrapperStruct00_var_1_8~0 4) 0) (= ~isInitial~0 1) (= |~#WrapperStruct00~0.offset| 0))' at error location [2024-11-13 23:40:11,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:40:11,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:40:11,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 17 [2024-11-13 23:40:11,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219706121] [2024-11-13 23:40:11,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:40:11,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 23:40:11,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:40:11,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 23:40:11,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1623, Unknown=48, NotChecked=0, Total=1980 [2024-11-13 23:40:11,714 INFO L87 Difference]: Start difference. First operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 17 states, 9 states have (on average 5.555555555555555) internal successors, (50), 17 states have internal predecessors, (50), 10 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-13 23:40:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:40:12,974 INFO L93 Difference]: Finished difference Result 80 states and 109 transitions. [2024-11-13 23:40:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:40:12,976 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 9 states have (on average 5.555555555555555) internal successors, (50), 17 states have internal predecessors, (50), 10 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 10 states have call successors, (36) Word has length 64 [2024-11-13 23:40:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:40:12,980 INFO L225 Difference]: With dead ends: 80 [2024-11-13 23:40:12,980 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:40:12,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 142 SyntacticMatches, 24 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1304 ImplicationChecksByTransitivity, 697.7s TimeCoverageRelationStatistics Valid=417, Invalid=2291, Unknown=48, NotChecked=0, Total=2756 [2024-11-13 23:40:12,986 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:40:12,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 66 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 23:40:13,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:40:13,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:40:13,008 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) [2024-11-13 23:40:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:40:13,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2024-11-13 23:40:13,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:40:13,014 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:40:13,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 9 states have (on average 5.555555555555555) internal successors, (50), 17 states have internal predecessors, (50), 10 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-13 23:40:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:40:13,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:40:13,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:40:13,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:40:13,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:40:13,226 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:40:13,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:40:13,509 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:40:13,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:13,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:13,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-13 23:40:13,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:13,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:13,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-13 23:40:13,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:40:13,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:40:13,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-13 23:40:13,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-13 23:40:13,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-13 23:40:13,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-13 23:40:13,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:40:13 BoogieIcfgContainer [2024-11-13 23:40:13,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:40:13,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:40:13,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:40:13,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:40:13,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:28:02" (3/4) ... [2024-11-13 23:40:13,541 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:40:13,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 23:40:13,559 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-13 23:40:13,561 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:40:13,561 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:40:13,562 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:40:13,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:40:13,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:40:13,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:40:13,708 INFO L158 Benchmark]: Toolchain (without parser) took 733418.77ms. Allocated memory was 117.4MB in the beginning and 755.0MB in the end (delta: 637.5MB). Free memory was 94.8MB in the beginning and 325.4MB in the end (delta: -230.6MB). Peak memory consumption was 405.2MB. Max. memory is 16.1GB. [2024-11-13 23:40:13,708 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:13,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.12ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 79.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:40:13,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.32ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:13,710 INFO L158 Benchmark]: Boogie Preprocessor took 84.23ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:40:13,711 INFO L158 Benchmark]: RCFGBuilder took 1321.30ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 41.8MB in the end (delta: 32.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-13 23:40:13,711 INFO L158 Benchmark]: TraceAbstraction took 731382.51ms. Allocated memory was 117.4MB in the beginning and 755.0MB in the end (delta: 637.5MB). Free memory was 41.2MB in the beginning and 333.5MB in the end (delta: -292.3MB). Peak memory consumption was 349.1MB. Max. memory is 16.1GB. [2024-11-13 23:40:13,711 INFO L158 Benchmark]: Witness Printer took 169.01ms. Allocated memory is still 755.0MB. Free memory was 333.5MB in the beginning and 325.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:40:13,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.12ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 79.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.32ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.23ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1321.30ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 41.8MB in the end (delta: 32.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 731382.51ms. Allocated memory was 117.4MB in the beginning and 755.0MB in the end (delta: 637.5MB). Free memory was 41.2MB in the beginning and 333.5MB in the end (delta: -292.3MB). Peak memory consumption was 349.1MB. Max. memory is 16.1GB. * Witness Printer took 169.01ms. Allocated memory is still 755.0MB. Free memory was 333.5MB in the beginning and 325.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset * 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 731.0s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 362 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 16 mSDtfsCounter, 362 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 142 SyntacticMatches, 24 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1304 ImplicationChecksByTransitivity, 697.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 14, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 1309 SizeOfPredicates, 6 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 576/630 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((isInitial == \old(isInitial)) && (WrapperStruct00 == \old(WrapperStruct00))) && (last_1_WrapperStruct00_var_1_8 == \old(last_1_WrapperStruct00_var_1_8)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:40:13,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfdeef8c-7b52-414c-8f5a-c5e677ce2690/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE