./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.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_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/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_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/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_75e0a2a7-7965-476c-a09c-8b9f8033f974/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 5e838264e6ed88ede0832d807d635f75755550116c48539e38a7650cef86d5a2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:53:36,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:53:36,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:53:36,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:53:36,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:53:36,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:53:36,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:53:36,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:53:36,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:53:36,739 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:53:36,739 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:53:36,740 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:53:36,740 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:53:36,740 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:53:36,740 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:53:36,740 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:53:36,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:53:36,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:53:36,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:36,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:53:36,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:53:36,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:53:36,743 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:53:36,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:53:36,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:53:36,743 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:53:36,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:53:36,743 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_75e0a2a7-7965-476c-a09c-8b9f8033f974/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 -> 5e838264e6ed88ede0832d807d635f75755550116c48539e38a7650cef86d5a2 [2024-11-14 04:53:37,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:53:37,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:53:37,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:53:37,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:53:37,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:53:37,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i Unable to find full path for "g++" [2024-11-14 04:53:39,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:53:39,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:53:39,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i [2024-11-14 04:53:39,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data/f699afab2/26e8d6911f4c4d118555bea3b37ca1e4/FLAG34516171a [2024-11-14 04:53:39,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data/f699afab2/26e8d6911f4c4d118555bea3b37ca1e4 [2024-11-14 04:53:39,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:53:39,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:53:39,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:39,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:53:39,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:53:39,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad8aed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39, skipping insertion in model container [2024-11-14 04:53:39,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:53:39,521 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_75e0a2a7-7965-476c-a09c-8b9f8033f974/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i[916,929] [2024-11-14 04:53:39,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:39,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:53:39,596 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_75e0a2a7-7965-476c-a09c-8b9f8033f974/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i[916,929] [2024-11-14 04:53:39,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:39,641 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:53:39,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39 WrapperNode [2024-11-14 04:53:39,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:39,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:39,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:53:39,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:53:39,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,702 INFO L138 Inliner]: procedures = 26, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 493 [2024-11-14 04:53:39,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:39,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:53:39,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:53:39,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:53:39,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:53:39,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:53:39,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:53:39,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:53:39,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (1/1) ... [2024-11-14 04:53:39,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:39,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:39,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:53:39,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:53:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:53:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:53:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:53:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:53:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:53:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:53:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:53:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:53:39,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:53:39,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:53:40,667 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-14 04:53:40,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:53:41,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:53:41,285 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:53:41,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:41 BoogieIcfgContainer [2024-11-14 04:53:41,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:53:41,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:53:41,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:53:41,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:53:41,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:53:39" (1/3) ... [2024-11-14 04:53:41,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a44c22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:41, skipping insertion in model container [2024-11-14 04:53:41,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:39" (2/3) ... [2024-11-14 04:53:41,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a44c22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:41, skipping insertion in model container [2024-11-14 04:53:41,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:41" (3/3) ... [2024-11-14 04:53:41,299 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-19.i [2024-11-14 04:53:41,316 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:53:41,317 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-19.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:53:41,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:53:41,392 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;@b9657b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:53:41,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:53:41,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 04:53:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:53:41,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:41,408 INFO L215 NwaCegarLoop]: trace histogram [17, 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, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:41,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:41,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:41,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1321024564, now seen corresponding path program 1 times [2024-11-14 04:53:41,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:53:41,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381852241] [2024-11-14 04:53:41,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:41,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:53:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:53:45,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051014851] [2024-11-14 04:53:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:45,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:53:45,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:45,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:53:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:53:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:46,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:53:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:47,674 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:53:47,676 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:53:47,677 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:53:47,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:53:47,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:53:47,886 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:53:48,114 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:53:48,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:53:48 BoogieIcfgContainer [2024-11-14 04:53:48,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:53:48,122 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:53:48,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:53:48,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:53:48,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:41" (3/4) ... [2024-11-14 04:53:48,126 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:53:48,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:53:48,130 INFO L158 Benchmark]: Toolchain (without parser) took 8791.72ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 92.8MB in the beginning and 226.8MB in the end (delta: -134.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-14 04:53:48,131 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 98.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:48,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.66ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:53:48,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.28ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 75.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:48,132 INFO L158 Benchmark]: Boogie Preprocessor took 56.31ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:48,132 INFO L158 Benchmark]: RCFGBuilder took 1525.58ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 83.5MB in the end (delta: -10.3MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-14 04:53:48,133 INFO L158 Benchmark]: TraceAbstraction took 6833.09ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 82.5MB in the beginning and 226.9MB in the end (delta: -144.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-14 04:53:48,133 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 302.0MB. Free memory was 226.9MB in the beginning and 226.8MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:48,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 98.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.66ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.6MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.28ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 75.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.31ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1525.58ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 83.5MB in the end (delta: -10.3MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6833.09ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 82.5MB in the beginning and 226.9MB in the end (delta: -144.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 302.0MB. Free memory was 226.9MB in the beginning and 226.8MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 8; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 128; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] unsigned char var_1_3 = 64; [L27] unsigned char* var_1_3_Pointer = &(var_1_3); [L28] unsigned long int var_1_4 = 1; [L29] unsigned long int* var_1_4_Pointer = &(var_1_4); [L30] unsigned long int var_1_5 = 5; [L31] unsigned long int* var_1_5_Pointer = &(var_1_5); [L32] signed char var_1_7 = 4; [L33] signed char* var_1_7_Pointer = &(var_1_7); [L34] signed char var_1_8 = 100; [L35] signed char* var_1_8_Pointer = &(var_1_8); [L36] unsigned char var_1_9 = 1; [L37] unsigned char* var_1_9_Pointer = &(var_1_9); [L38] signed long int var_1_10 = -8; [L39] signed long int* var_1_10_Pointer = &(var_1_10); [L40] signed long int var_1_11 = 10; [L41] signed long int* var_1_11_Pointer = &(var_1_11); [L42] signed long int var_1_12 = -25; [L43] signed long int* var_1_12_Pointer = &(var_1_12); [L44] signed long int var_1_13 = -16; [L45] signed long int* var_1_13_Pointer = &(var_1_13); [L46] signed long int last_1_var_1_11 = 10; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] EXPR \read(var_1_11) [L105] last_1_var_1_11 = var_1_11 [L115] RET updateLastVariables() [L116] CALL updateVariables() [L78] var_1_2 = __VERIFIER_nondet_uchar() [L79] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L79] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L80] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L80] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] var_1_3 = __VERIFIER_nondet_uchar() [L82] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L82] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L83] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L83] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] var_1_4 = __VERIFIER_nondet_ulong() [L85] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L85] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L86] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L86] CALL assume_abort_if_not(var_1_4 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_4 <= 12) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] var_1_5 = __VERIFIER_nondet_ulong() [L88] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L88] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] CALL assume_abort_if_not(var_1_5 <= 11) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_5 <= 11) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L90] var_1_7 = __VERIFIER_nondet_char() [L91] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L92] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L92] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L93] var_1_8 = __VERIFIER_nondet_char() [L94] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L95] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L95] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L96] var_1_9 = __VERIFIER_nondet_uchar() [L97] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L98] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L98] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L99] var_1_12 = __VERIFIER_nondet_long() [L100] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L100] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L101] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L101] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L116] RET updateVariables() [L117] CALL step() [L50] EXPR \read(*var_1_7_Pointer) [L50] EXPR \read(*var_1_3_Pointer) [L50] COND TRUE (*(var_1_7_Pointer)) < (*(var_1_3_Pointer)) [L51] EXPR \read(*var_1_7_Pointer) [L51] COND FALSE !(last_1_var_1_11 > (*(var_1_7_Pointer))) [L59] EXPR \read(*var_1_7_Pointer) [L59] (*(var_1_13_Pointer)) = (*(var_1_7_Pointer)) [L60] EXPR \read(*var_1_2_Pointer) [L60] EXPR \read(*var_1_12_Pointer) [L60] signed long int stepLocal_1 = (*(var_1_2_Pointer)) / (*(var_1_12_Pointer)); [L61] EXPR \read(*var_1_10_Pointer) [L61] EXPR \read(*var_1_13_Pointer) [L61] EXPR \read(*var_1_8_Pointer) [L61] COND TRUE (((*(var_1_10_Pointer)) * (*(var_1_13_Pointer))) + (*(var_1_8_Pointer))) > stepLocal_1 [L62] EXPR \read(*var_1_9_Pointer) [L62] COND FALSE !((*(var_1_9_Pointer))) [L68] EXPR \read(*var_1_11_Pointer) [L68] signed long int stepLocal_0 = (*(var_1_11_Pointer)); [L69] EXPR \read(*var_1_2_Pointer) [L69] EXPR \read(*var_1_3_Pointer) [L69] EXPR \read(*var_1_4_Pointer) [L69] EXPR \read(*var_1_5_Pointer) [L69] EXPR ((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))) [L69] COND FALSE !((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= stepLocal_0) [L72] EXPR \read(*var_1_9_Pointer) [L72] COND FALSE !((*(var_1_9_Pointer))) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR \read(*var_1_2_Pointer) [L108] EXPR \read(*var_1_3_Pointer) [L108] EXPR \read(*var_1_4_Pointer) [L108] EXPR \read(*var_1_5_Pointer) [L108] EXPR ((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))) [L108] EXPR \read(*var_1_11_Pointer) [L108] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= (*(var_1_11_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))))))) : ((*(var_1_9_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) : 1) [L108] EXPR \read(*var_1_1_Pointer) [L108] EXPR \read(*var_1_4_Pointer) [L108] EXPR \read(*var_1_8_Pointer) [L108] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) [L108] EXPR \read(*var_1_8_Pointer) [L108] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) [L108] EXPR (((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))) [L108] EXPR \read(*var_1_8_Pointer) [L108] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) [L108] EXPR \read(*var_1_8_Pointer) [L108] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) [L108] EXPR (((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))) [L108] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= (*(var_1_11_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))))))) : ((*(var_1_9_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) : 1) [L108] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= (*(var_1_11_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))))))) : ((*(var_1_9_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) : 1)) && (((*(var_1_7_Pointer)) < (*(var_1_3_Pointer))) ? ((last_1_var_1_11 > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_3_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((((*(var_1_8_Pointer)) + (((((*(var_1_2_Pointer))) < 0 ) ? -((*(var_1_2_Pointer))) : ((*(var_1_2_Pointer)))))) > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : 1)) [L108] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= (*(var_1_11_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))))))) : ((*(var_1_9_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) : 1)) && (((*(var_1_7_Pointer)) < (*(var_1_3_Pointer))) ? ((last_1_var_1_11 > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_3_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((((*(var_1_8_Pointer)) + (((((*(var_1_2_Pointer))) < 0 ) ? -((*(var_1_2_Pointer))) : ((*(var_1_2_Pointer)))))) > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : 1))) && (((((*(var_1_10_Pointer)) * (*(var_1_13_Pointer))) + (*(var_1_8_Pointer))) > ((*(var_1_2_Pointer)) / (*(var_1_12_Pointer)))) ? ((*(var_1_9_Pointer)) ? ((*(var_1_11_Pointer)) == ((signed long int) (*(var_1_2_Pointer)))) : 1) : ((*(var_1_11_Pointer)) == ((signed long int) (*(var_1_7_Pointer))))) [L108] EXPR (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= (*(var_1_11_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))))))) : ((*(var_1_9_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) : 1)) && (((*(var_1_7_Pointer)) < (*(var_1_3_Pointer))) ? ((last_1_var_1_11 > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_3_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((((*(var_1_8_Pointer)) + (((((*(var_1_2_Pointer))) < 0 ) ? -((*(var_1_2_Pointer))) : ((*(var_1_2_Pointer)))))) > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : 1))) && (((((*(var_1_10_Pointer)) * (*(var_1_13_Pointer))) + (*(var_1_8_Pointer))) > ((*(var_1_2_Pointer)) / (*(var_1_12_Pointer)))) ? ((*(var_1_9_Pointer)) ? ((*(var_1_11_Pointer)) == ((signed long int) (*(var_1_2_Pointer)))) : 1) : ((*(var_1_11_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))))) && ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) [L108-L109] return (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) << ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer)))) <= (*(var_1_11_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_4_Pointer))) > ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer)))))))))) : ((*(var_1_9_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) : 1)) && (((*(var_1_7_Pointer)) < (*(var_1_3_Pointer))) ? ((last_1_var_1_11 > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_3_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((((*(var_1_8_Pointer)) + (((((*(var_1_2_Pointer))) < 0 ) ? -((*(var_1_2_Pointer))) : ((*(var_1_2_Pointer)))))) > (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : 1))) && (((((*(var_1_10_Pointer)) * (*(var_1_13_Pointer))) + (*(var_1_8_Pointer))) > ((*(var_1_2_Pointer)) / (*(var_1_12_Pointer)))) ? ((*(var_1_9_Pointer)) ? ((*(var_1_11_Pointer)) == ((signed long int) (*(var_1_2_Pointer)))) : 1) : ((*(var_1_11_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))))) && ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=10, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:53:48,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/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_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/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 5e838264e6ed88ede0832d807d635f75755550116c48539e38a7650cef86d5a2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:53:50,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:53:51,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:53:51,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:53:51,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:53:51,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:53:51,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:53:51,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:53:51,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:53:51,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:53:51,093 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:53:51,093 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:53:51,093 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:53:51,093 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:53:51,093 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:53:51,094 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:53:51,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:53:51,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:53:51,095 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:53:51,096 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:53:51,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:53:51,096 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:53:51,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:53:51,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:53:51,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:53:51,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:53:51,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:53:51,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:53:51,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:53:51,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:51,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:53:51,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:53:51,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:53:51,099 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:53:51,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:51,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:53:51,099 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:53:51,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_75e0a2a7-7965-476c-a09c-8b9f8033f974/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 -> 5e838264e6ed88ede0832d807d635f75755550116c48539e38a7650cef86d5a2 [2024-11-14 04:53:51,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:53:51,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:53:51,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:53:51,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:53:51,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:53:51,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i Unable to find full path for "g++" [2024-11-14 04:53:53,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:53:53,694 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:53:53,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i [2024-11-14 04:53:53,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data/4409fa15d/1199a528185c414ba167f38f184bf777/FLAG3ca827597 [2024-11-14 04:53:53,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/data/4409fa15d/1199a528185c414ba167f38f184bf777 [2024-11-14 04:53:53,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:53:53,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:53:53,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:53,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:53:53,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:53:53,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:53" (1/1) ... [2024-11-14 04:53:53,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aeb7f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:53, skipping insertion in model container [2024-11-14 04:53:53,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:53" (1/1) ... [2024-11-14 04:53:53,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:53:53,955 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_75e0a2a7-7965-476c-a09c-8b9f8033f974/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i[916,929] [2024-11-14 04:53:54,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:54,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:53:54,086 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_75e0a2a7-7965-476c-a09c-8b9f8033f974/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-19.i[916,929] [2024-11-14 04:53:54,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:54,173 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:53:54,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54 WrapperNode [2024-11-14 04:53:54,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:54,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:54,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:53:54,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:53:54,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,259 INFO L138 Inliner]: procedures = 30, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 476 [2024-11-14 04:53:54,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:54,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:53:54,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:53:54,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:53:54,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:53:54,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:53:54,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:53:54,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:53:54,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (1/1) ... [2024-11-14 04:53:54,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:54,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:54,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:53:54,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:53:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:53:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:53:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:53:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 04:53:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:53:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:53:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:53:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:53:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:53:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 04:53:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:53:54,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:53:54,607 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:53:55,384 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-14 04:53:55,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:53:55,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:53:55,396 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:53:55,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:55 BoogieIcfgContainer [2024-11-14 04:53:55,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:53:55,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:53:55,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:53:55,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:53:55,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:53:53" (1/3) ... [2024-11-14 04:53:55,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763d7ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:55, skipping insertion in model container [2024-11-14 04:53:55,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:54" (2/3) ... [2024-11-14 04:53:55,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763d7ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:55, skipping insertion in model container [2024-11-14 04:53:55,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:55" (3/3) ... [2024-11-14 04:53:55,408 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-19.i [2024-11-14 04:53:55,425 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:53:55,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-19.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:53:55,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:53:55,510 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;@23275a67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:53:55,510 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:53:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 78 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 04:53:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 04:53:55,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:55,529 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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 04:53:55,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:55,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:55,534 INFO L85 PathProgramCache]: Analyzing trace with hash 68747915, now seen corresponding path program 1 times [2024-11-14 04:53:55,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:55,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972101453] [2024-11-14 04:53:55,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:55,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:53:55,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:55,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:53:55,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:53:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:56,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:53:56,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-14 04:53:56,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:56,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:56,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972101453] [2024-11-14 04:53:56,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972101453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:56,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:53:56,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:53:56,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751892398] [2024-11-14 04:53:56,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:56,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:53:56,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:56,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:53:56,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:53:56,142 INFO L87 Difference]: Start difference. First operand has 97 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 78 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 04:53:56,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:56,180 INFO L93 Difference]: Finished difference Result 187 states and 293 transitions. [2024-11-14 04:53:56,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:53:56,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2024-11-14 04:53:56,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:56,188 INFO L225 Difference]: With dead ends: 187 [2024-11-14 04:53:56,188 INFO L226 Difference]: Without dead ends: 93 [2024-11-14 04:53:56,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:53:56,198 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:56,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:53:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-14 04:53:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-14 04:53:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 04:53:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2024-11-14 04:53:56,247 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 129 [2024-11-14 04:53:56,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:56,247 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2024-11-14 04:53:56,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 04:53:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2024-11-14 04:53:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 04:53:56,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:56,251 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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 04:53:56,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:53:56,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:53:56,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:56,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:56,456 INFO L85 PathProgramCache]: Analyzing trace with hash -164325207, now seen corresponding path program 1 times [2024-11-14 04:53:56,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:56,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210822302] [2024-11-14 04:53:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:56,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:53:56,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:56,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:53:56,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:53:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:56,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:53:56,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-14 04:53:56,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:56,947 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:56,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210822302] [2024-11-14 04:53:56,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210822302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:56,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:53:56,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:53:56,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720054429] [2024-11-14 04:53:56,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:56,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:53:56,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:56,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:53:56,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:53:56,956 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:53:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:57,079 INFO L93 Difference]: Finished difference Result 188 states and 268 transitions. [2024-11-14 04:53:57,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:53:57,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-14 04:53:57,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:57,082 INFO L225 Difference]: With dead ends: 188 [2024-11-14 04:53:57,082 INFO L226 Difference]: Without dead ends: 98 [2024-11-14 04:53:57,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:53:57,084 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:57,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 495 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:53:57,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-14 04:53:57,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-14 04:53:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 78 states have internal predecessors, (102), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 04:53:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2024-11-14 04:53:57,097 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 129 [2024-11-14 04:53:57,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:57,099 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2024-11-14 04:53:57,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:53:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-14 04:53:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 04:53:57,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:57,101 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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 04:53:57,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:53:57,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:53:57,306 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:57,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:57,307 INFO L85 PathProgramCache]: Analyzing trace with hash -162478165, now seen corresponding path program 1 times [2024-11-14 04:53:57,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:57,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75921674] [2024-11-14 04:53:57,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:57,308 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:53:57,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:57,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:53:57,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:53:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:57,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 04:53:57,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:01,369 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 8 treesize of output 1 [2024-11-14 04:54:02,468 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 16 treesize of output 11 [2024-11-14 04:54:03,148 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 16 treesize of output 11 [2024-11-14 04:54:03,686 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 16 treesize of output 11 [2024-11-14 04:54:04,095 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 16 treesize of output 11 [2024-11-14 04:54:04,647 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 16 treesize of output 11 [2024-11-14 04:54:04,723 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 16 treesize of output 11 [2024-11-14 04:54:04,776 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 16 treesize of output 11 [2024-11-14 04:54:04,849 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 20 [2024-11-14 04:54:04,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2024-11-14 04:54:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 436 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-14 04:54:05,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-14 04:54:05,361 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:54:05,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75921674] [2024-11-14 04:54:05,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75921674] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:05,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:54:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [18] total 22 [2024-11-14 04:54:05,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351211608] [2024-11-14 04:54:05,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:05,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:54:05,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:54:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:54:05,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:54:05,363 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:54:06,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:06,243 INFO L93 Difference]: Finished difference Result 235 states and 328 transitions. [2024-11-14 04:54:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:54:06,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-14 04:54:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:06,249 INFO L225 Difference]: With dead ends: 235 [2024-11-14 04:54:06,249 INFO L226 Difference]: Without dead ends: 141 [2024-11-14 04:54:06,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2024-11-14 04:54:06,255 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 47 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:06,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 526 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:54:06,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-14 04:54:06,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 103. [2024-11-14 04:54:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 04:54:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 144 transitions. [2024-11-14 04:54:06,276 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 144 transitions. Word has length 129 [2024-11-14 04:54:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:06,279 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 144 transitions. [2024-11-14 04:54:06,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:54:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2024-11-14 04:54:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 04:54:06,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:06,282 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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 04:54:06,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:54:06,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:54:06,487 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:54:06,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1442341843, now seen corresponding path program 1 times [2024-11-14 04:54:06,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:54:06,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981199234] [2024-11-14 04:54:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:06,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:54:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:54:06,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:54:06,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 04:54:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:06,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:54:06,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-14 04:54:06,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:54:06,849 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:54:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981199234] [2024-11-14 04:54:06,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981199234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:06,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:06,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:54:06,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571427128] [2024-11-14 04:54:06,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:06,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:54:06,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:54:06,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:54:06,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:54:06,855 INFO L87 Difference]: Start difference. First operand 103 states and 144 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:54:07,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:07,575 INFO L93 Difference]: Finished difference Result 244 states and 339 transitions. [2024-11-14 04:54:07,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:54:07,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-14 04:54:07,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:07,578 INFO L225 Difference]: With dead ends: 244 [2024-11-14 04:54:07,578 INFO L226 Difference]: Without dead ends: 144 [2024-11-14 04:54:07,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:54:07,580 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 45 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:07,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 457 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:54:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-14 04:54:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 106. [2024-11-14 04:54:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 87 states have internal predecessors, (114), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-14 04:54:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2024-11-14 04:54:07,589 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 129 [2024-11-14 04:54:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:07,590 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2024-11-14 04:54:07,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:54:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2024-11-14 04:54:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 04:54:07,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:07,596 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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 04:54:07,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:54:07,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:54:07,797 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:54:07,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:07,797 INFO L85 PathProgramCache]: Analyzing trace with hash -90234188, now seen corresponding path program 1 times [2024-11-14 04:54:07,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:54:07,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864349377] [2024-11-14 04:54:07,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:07,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:54:07,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:54:07,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:54:07,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:54:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:08,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-14 04:54:08,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:09,674 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 16 treesize of output 11 [2024-11-14 04:54:12,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2024-11-14 04:54:15,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2024-11-14 04:54:18,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45 [2024-11-14 04:54:21,450 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 48 treesize of output 55 [2024-11-14 04:54:24,113 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 57 treesize of output 67 [2024-11-14 04:54:25,826 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 57 treesize of output 67 [2024-11-14 04:54:27,410 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 57 treesize of output 67 [2024-11-14 04:54:30,264 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 81 treesize of output 85 [2024-11-14 04:54:30,570 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 72 treesize of output 78 [2024-11-14 04:54:30,899 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-14 04:54:30,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 87 [2024-11-14 04:54:32,222 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 113 treesize of output 107 [2024-11-14 04:54:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 515 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:54:33,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:33,921 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_140 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_140))) (let ((.cse1 (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (or (not (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd .cse1 (select (select .cse0 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset))) (select (select .cse0 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset))) (= .cse1 (_ bv0 32)))))) is different from false [2024-11-14 04:54:35,659 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_140 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_11_Pointer~0.offset (_ BitVec 32))) (let ((.cse4 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_138))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse4 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))))) (let ((.cse0 (store .cse4 c_~var_1_11_Pointer~0.base (store (select .cse4 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset .cse1)))) (let ((.cse2 (store .cse0 c_~var_1_1_Pointer~0.base v_ArrVal_140))) (let ((.cse3 (select (select .cse2 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (or (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset) (select (select .cse0 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset))) .cse1) (not (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd (select (select .cse2 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset) .cse3)) (select (select .cse2 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset))) (= (_ bv0 32) .cse3)))))))) is different from false [2024-11-14 04:54:38,924 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:54:38,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864349377] [2024-11-14 04:54:38,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864349377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:54:38,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1980240490] [2024-11-14 04:54:38,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:54:38,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:54:38,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:54:38,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:54:38,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 04:54:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:54:39,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-14 04:54:39,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:42,624 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 12 treesize of output 8 [2024-11-14 04:54:46,588 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 26 treesize of output 19 [2024-11-14 04:54:48,539 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 26 treesize of output 19 [2024-11-14 04:54:50,428 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 33 treesize of output 17 [2024-11-14 04:54:55,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 04:54:57,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 04:54:58,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 04:55:02,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2024-11-14 04:55:02,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2024-11-14 04:55:03,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2024-11-14 04:55:05,010 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 107 treesize of output 103 [2024-11-14 04:55:05,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 64 [2024-11-14 04:55:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 14 proven. 496 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-14 04:55:06,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:55:07,551 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_176))) (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd (select (select .cse0 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset) (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (select (select .cse0 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset))))) is different from false [2024-11-14 04:55:39,312 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_5_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_4_Pointer~0.offset (_ BitVec 32)) (~var_1_2_Pointer~0.offset (_ BitVec 32)) (~var_1_11_Pointer~0.offset (_ BitVec 32))) (let ((.cse3 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_174))) (let ((.cse2 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse3 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))))) (let ((.cse1 (store .cse3 c_~var_1_11_Pointer~0.base (store (select .cse3 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset .cse2)))) (or (not (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_176))) (bvsle (bvshl (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) ~var_1_2_Pointer~0.offset)))) (bvadd (select (select .cse0 c_~var_1_4_Pointer~0.base) ~var_1_4_Pointer~0.offset) (select (select .cse0 c_~var_1_5_Pointer~0.base) ~var_1_5_Pointer~0.offset))) (select (select .cse0 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset)))) (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_2_Pointer~0.base) ~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd (select (select .cse1 c_~var_1_5_Pointer~0.base) ~var_1_5_Pointer~0.offset) (select (select .cse1 c_~var_1_4_Pointer~0.base) ~var_1_4_Pointer~0.offset))) .cse2)))))) is different from false [2024-11-14 04:56:02,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1980240490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:56:02,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849026842] [2024-11-14 04:56:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:02,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:56:02,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:02,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:56:02,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:56:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:03,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 04:56:03,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:23,476 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-14 04:56:23,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 25 [2024-11-14 04:56:31,450 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 53 treesize of output 58 [2024-11-14 04:56:34,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 38 [2024-11-14 04:56:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-14 04:56:37,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849026842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:37,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:56:37,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [40, 32] total 77 [2024-11-14 04:56:37,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438632391] [2024-11-14 04:56:37,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:37,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:56:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:37,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:56:37,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=7804, Unknown=57, NotChecked=756, Total=9702 [2024-11-14 04:56:37,941 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:56:53,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:56:53,123 INFO L93 Difference]: Finished difference Result 306 states and 421 transitions. [2024-11-14 04:56:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:56:53,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 130 [2024-11-14 04:56:53,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:56:53,126 INFO L225 Difference]: With dead ends: 306 [2024-11-14 04:56:53,126 INFO L226 Difference]: Without dead ends: 203 [2024-11-14 04:56:53,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 3537 ImplicationChecksByTransitivity, 95.7s TimeCoverageRelationStatistics Valid=1108, Invalid=7971, Unknown=57, NotChecked=764, Total=9900 [2024-11-14 04:56:53,130 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 176 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:56:53,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 374 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2024-11-14 04:56:53,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-14 04:56:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 171. [2024-11-14 04:56:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 147 states have (on average 1.3197278911564625) internal successors, (194), 148 states have internal predecessors, (194), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 04:56:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 236 transitions. [2024-11-14 04:56:53,150 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 236 transitions. Word has length 130 [2024-11-14 04:56:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:56:53,151 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 236 transitions. [2024-11-14 04:56:53,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-14 04:56:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 236 transitions. [2024-11-14 04:56:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 04:56:53,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:53,153 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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 04:56:53,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:56:53,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 04:56:53,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:56:53,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:56:53,754 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:56:53,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:53,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1912119816, now seen corresponding path program 1 times [2024-11-14 04:56:53,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:53,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898104005] [2024-11-14 04:56:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:53,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:56:53,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:53,757 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:56:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 04:56:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:54,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-14 04:56:54,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:59,619 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 16 treesize of output 11 [2024-11-14 04:57:13,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2024-11-14 04:57:26,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2024-11-14 04:57:41,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45 [2024-11-14 04:57:54,808 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 48 treesize of output 55 [2024-11-14 04:58:09,073 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 57 treesize of output 67 [2024-11-14 04:58:17,205 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 57 treesize of output 67 [2024-11-14 04:58:24,701 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 57 treesize of output 67 [2024-11-14 04:58:37,960 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 66 treesize of output 74 [2024-11-14 04:58:39,395 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 57 treesize of output 67 [2024-11-14 04:58:41,295 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-14 04:58:41,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 80 [2024-11-14 04:58:49,083 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 105 treesize of output 101 [2024-11-14 04:58:51,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 62 [2024-11-14 04:58:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 515 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:58:52,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:58:54,942 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_238 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_238))) (bvsle (bvshl (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset)))) (bvadd (select (select .cse0 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset) (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (select (select .cse0 c_~var_1_11_Pointer~0.base) c_~var_1_11_Pointer~0.offset)))) is different from false [2024-11-14 04:59:04,880 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_236 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_11_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_238 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_236))) (let ((.cse3 ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse4 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))))) (let ((.cse1 (store .cse4 c_~var_1_11_Pointer~0.base (store (select .cse4 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset .cse3)))) (let ((.cse2 (select (select .cse1 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (or (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base v_ArrVal_238))) (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd (select (select .cse0 c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset) (select (select .cse0 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset))) (select (select .cse0 c_~var_1_11_Pointer~0.base) ~var_1_11_Pointer~0.offset))) (= (_ bv0 32) .cse2) (not (bvsle (bvshl (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_2_Pointer~0.base) c_~var_1_2_Pointer~0.offset))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))) (bvadd (select (select .cse1 c_~var_1_5_Pointer~0.base) c_~var_1_5_Pointer~0.offset) .cse2)) .cse3)))))))) is different from false [2024-11-14 04:59:10,148 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:59:10,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898104005] [2024-11-14 04:59:10,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898104005] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:59:10,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1030172297] [2024-11-14 04:59:10,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:10,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:59:10,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:59:10,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:59:10,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:59:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:10,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-14 04:59:10,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:25,284 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 [2024-11-14 04:59:41,416 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 18 treesize of output 13 [2024-11-14 04:59:50,513 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 18 treesize of output 13 [2024-11-14 04:59:58,740 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 22 treesize of output 21 [2024-11-14 05:00:24,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 05:00:33,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 05:00:41,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 05:00:57,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2024-11-14 05:01:00,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2024-11-14 05:01:03,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2024-11-14 05:01:14,362 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 115 treesize of output 97 [2024-11-14 05:01:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 8 proven. 496 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-14 05:01:19,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:55,853 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-14 05:02:55,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-14 05:02:55,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2024-11-14 05:02:55,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816399425] [2024-11-14 05:02:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:55,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:55,856 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:02:55,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 05:02:55,939 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2c36c123 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:386) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:84) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 05:02:55,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:02:55,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2024-11-14 05:02:55,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163497287] [2024-11-14 05:02:55,942 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 05:02:55,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-14 05:02:55,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-14 05:02:55,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=7647, Unknown=16, NotChecked=362, Total=8742 [2024-11-14 05:02:55,948 INFO L87 Difference]: Start difference. First operand 171 states and 236 transitions. Second operand has 41 states, 36 states have (on average 2.2777777777777777) internal successors, (82), 34 states have internal predecessors, (82), 12 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (17), 8 states have call predecessors, (17), 12 states have call successors, (17) [2024-11-14 05:02:55,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:02:55,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3244 ImplicationChecksByTransitivity, 199.6s TimeCoverageRelationStatistics Valid=717, Invalid=7647, Unknown=16, NotChecked=362, Total=8742 [2024-11-14 05:02:55,951 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:55,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:02:55,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 05:02:56,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-14 05:02:56,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 05:02:56,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75e0a2a7-7965-476c-a09c-8b9f8033f974/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:56,555 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2c36c123 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:460) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 05:02:56,558 INFO L158 Benchmark]: Toolchain (without parser) took 542814.00ms. Allocated memory was 83.9MB in the beginning and 343.9MB in the end (delta: 260.0MB). Free memory was 60.4MB in the beginning and 183.7MB in the end (delta: -123.3MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2024-11-14 05:02:56,559 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:56,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.15ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 45.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:02:56,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.61ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:56,559 INFO L158 Benchmark]: Boogie Preprocessor took 69.04ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 40.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:56,559 INFO L158 Benchmark]: RCFGBuilder took 1066.87ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 43.6MB in the end (delta: -3.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-14 05:02:56,560 INFO L158 Benchmark]: TraceAbstraction took 541158.11ms. Allocated memory was 83.9MB in the beginning and 343.9MB in the end (delta: 260.0MB). Free memory was 43.1MB in the beginning and 183.7MB in the end (delta: -140.6MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2024-11-14 05:02:56,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.15ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 45.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.61ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.04ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 40.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1066.87ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 43.6MB in the end (delta: -3.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 541158.11ms. Allocated memory was 83.9MB in the beginning and 343.9MB in the end (delta: 260.0MB). Free memory was 43.1MB in the beginning and 183.7MB in the end (delta: -140.6MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2c36c123 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2c36c123: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@2c36c123