./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.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_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/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_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/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_014ab026-42f6-4bf2-b287-12cf1bd1db23/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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:18:40,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:18:40,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:18:40,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:18:40,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:18:40,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:18:40,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:18:40,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:18:40,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:18:40,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:18:40,614 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:18:40,615 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:18:40,615 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:18:40,615 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:18:40,615 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:18:40,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:18:40,615 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:18:40,616 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:18:40,616 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:18:40,616 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:18:40,616 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:18:40,616 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:18:40,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:18:40,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:18:40,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:18:40,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:18:40,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:18:40,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:18:40,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:18:40,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:18:40,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:18:40,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:18:40,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:18:40,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:18:40,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:18:40,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:18:40,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:18:40,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:18:40,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:18:40,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:18:40,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:18:40,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:18:40,620 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:18:40,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:18:40,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:18:40,620 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:18:40,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:18:40,620 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_014ab026-42f6-4bf2-b287-12cf1bd1db23/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 -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2024-11-14 05:18:40,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:18:40,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:18:40,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:18:40,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:18:40,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:18:40,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i Unable to find full path for "g++" [2024-11-14 05:18:42,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:18:43,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:18:43,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-11-14 05:18:43,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/data/ef29aad2d/82fb79eaf2164efba03930b77bcd863d/FLAG35b073185 [2024-11-14 05:18:43,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/data/ef29aad2d/82fb79eaf2164efba03930b77bcd863d [2024-11-14 05:18:43,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:18:43,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:18:43,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:18:43,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:18:43,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:18:43,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779c5964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43, skipping insertion in model container [2024-11-14 05:18:43,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:18:43,307 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_014ab026-42f6-4bf2-b287-12cf1bd1db23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-14 05:18:43,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:18:43,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:18:43,419 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_014ab026-42f6-4bf2-b287-12cf1bd1db23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-11-14 05:18:43,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:18:43,498 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:18:43,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43 WrapperNode [2024-11-14 05:18:43,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:18:43,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:18:43,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:18:43,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:18:43,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,554 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-14 05:18:43,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:18:43,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:18:43,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:18:43,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:18:43,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:18:43,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:18:43,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:18:43,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:18:43,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (1/1) ... [2024-11-14 05:18:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:18:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:18:43,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:18:43,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:18:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:18:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:18:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:18:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:18:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:18:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:18:43,833 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:18:43,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:18:44,597 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-14 05:18:44,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:18:45,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:18:45,346 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:18:45,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:18:45 BoogieIcfgContainer [2024-11-14 05:18:45,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:18:45,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:18:45,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:18:45,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:18:45,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:18:43" (1/3) ... [2024-11-14 05:18:45,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5396752f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:18:45, skipping insertion in model container [2024-11-14 05:18:45,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:18:43" (2/3) ... [2024-11-14 05:18:45,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5396752f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:18:45, skipping insertion in model container [2024-11-14 05:18:45,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:18:45" (3/3) ... [2024-11-14 05:18:45,360 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-89.i [2024-11-14 05:18:45,378 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:18:45,380 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-89.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:18:45,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:18:45,469 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;@33d32f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:18:45,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:18:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:18:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 05:18:45,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:18:45,484 INFO L215 NwaCegarLoop]: trace histogram [13, 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] [2024-11-14 05:18:45,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:18:45,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:18:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash 360633097, now seen corresponding path program 1 times [2024-11-14 05:18:45,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:18:45,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52971330] [2024-11-14 05:18:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:18:45,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:18:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:19:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 05:19:22,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:19:22,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52971330] [2024-11-14 05:19:22,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52971330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:19:22,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812677527] [2024-11-14 05:19:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:19:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:19:22,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:19:22,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:19:22,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014ab026-42f6-4bf2-b287-12cf1bd1db23/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:19:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:19:23,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-14 05:19:23,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:19:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:23,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:23,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2024-11-14 05:19:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:26,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 68 [2024-11-14 05:19:28,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:28,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:28,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:28,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:28,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:28,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2024-11-14 05:19:30,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:30,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 82 [2024-11-14 05:19:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:31,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 87 [2024-11-14 05:19:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 05:19:32,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 82 [2024-11-14 05:19:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-14 05:19:48,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:27:28,287 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:27:35,619 WARN L286 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:27:48,042 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:27:56,696 WARN L286 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:28:04,152 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:28:18,987 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:28:33,067 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:28:42,541 WARN L286 SmtUtils]: Spent 9.47s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:28:48,744 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:28:56,013 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:29:09,407 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:29:16,347 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:29:28,650 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:29:43,761 WARN L286 SmtUtils]: Spent 11.26s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:29:53,104 WARN L286 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:30:15,776 WARN L286 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:30:23,038 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:30:32,152 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:30:40,133 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:30:50,734 WARN L286 SmtUtils]: Spent 10.60s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:30:56,628 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:31:04,951 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:31:10,800 WARN L286 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:31:19,283 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:31:34,616 WARN L286 SmtUtils]: Spent 15.33s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:31:44,610 WARN L286 SmtUtils]: Spent 9.99s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:31:53,446 WARN L286 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:01,590 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:11,116 WARN L286 SmtUtils]: Spent 9.52s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:19,345 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:29,368 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:35,583 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:44,169 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:51,416 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:32:57,832 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:33:04,055 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:33:14,576 WARN L286 SmtUtils]: Spent 10.52s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:33:22,398 WARN L286 SmtUtils]: Spent 7.82s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:33:34,628 WARN L286 SmtUtils]: Spent 12.23s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)