./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.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_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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_3f011f03-2197-4462-9e05-bc60d635751d/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 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:01:39,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:01:39,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:01:39,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:01:39,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:01:39,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:01:39,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:01:39,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:01:39,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:01:39,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:01:39,629 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:01:39,629 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:01:39,630 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:01:39,630 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:01:39,631 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:01:39,631 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:01:39,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:01:39,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:01:39,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:01:39,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:01:39,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:01:39,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:01:39,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:01:39,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:01:39,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:01:39,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:01:39,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:01:39,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:01:39,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:01:39,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:39,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:01:39,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:01:39,637 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:01:39,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:01:39,639 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_3f011f03-2197-4462-9e05-bc60d635751d/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 -> 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 [2024-11-14 05:01:40,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:01:40,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:01:40,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:01:40,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:01:40,084 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:01:40,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i Unable to find full path for "g++" [2024-11-14 05:01:42,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:01:42,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:01:42,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2024-11-14 05:01:42,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data/583a5a40e/13d46d2f1a1b477b8583256d5ee82220/FLAG100c85e5d [2024-11-14 05:01:42,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data/583a5a40e/13d46d2f1a1b477b8583256d5ee82220 [2024-11-14 05:01:42,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:01:42,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:01:42,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:42,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:01:42,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:01:42,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:42,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fade4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42, skipping insertion in model container [2024-11-14 05:01:42,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:42,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:01:42,832 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_3f011f03-2197-4462-9e05-bc60d635751d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2024-11-14 05:01:42,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:42,896 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:01:42,908 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_3f011f03-2197-4462-9e05-bc60d635751d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2024-11-14 05:01:42,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:42,948 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:01:42,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42 WrapperNode [2024-11-14 05:01:42,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:42,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:42,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:01:42,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:01:42,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:42,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:42,993 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-14 05:01:42,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:42,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:01:42,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:01:42,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:01:43,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:01:43,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:01:43,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:01:43,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:01:43,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (1/1) ... [2024-11-14 05:01:43,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:43,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:01:43,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:01:43,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:01:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:01:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:01:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:01:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:01:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:01:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:01:43,258 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:01:43,260 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:01:43,520 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 05:01:43,521 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:01:43,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:01:43,713 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:01:43,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:43 BoogieIcfgContainer [2024-11-14 05:01:43,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:01:43,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:01:43,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:01:43,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:01:43,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:01:42" (1/3) ... [2024-11-14 05:01:43,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66331542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:43, skipping insertion in model container [2024-11-14 05:01:43,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:42" (2/3) ... [2024-11-14 05:01:43,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66331542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:43, skipping insertion in model container [2024-11-14 05:01:43,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:43" (3/3) ... [2024-11-14 05:01:43,728 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-60.i [2024-11-14 05:01:43,749 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:01:43,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-60.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:01:43,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:01:43,857 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;@74ffb32a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:01:43,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:01:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:01:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 05:01:43,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:43,872 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:43,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:01:43,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:43,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1105859159, now seen corresponding path program 1 times [2024-11-14 05:01:43,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:43,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813513429] [2024-11-14 05:01:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:43,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:01:44,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:01:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:01:44,264 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:01:44,272 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:01:44,274 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:01:44,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:01:44,280 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:01:44,331 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:01:44,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:01:44 BoogieIcfgContainer [2024-11-14 05:01:44,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:01:44,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:01:44,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:01:44,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:01:44,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:43" (3/4) ... [2024-11-14 05:01:44,342 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:01:44,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:01:44,347 INFO L158 Benchmark]: Toolchain (without parser) took 1746.61ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 54.6MB in the end (delta: 64.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,347 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:01:44,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.65ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.01ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,348 INFO L158 Benchmark]: Boogie Preprocessor took 50.32ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:01:44,348 INFO L158 Benchmark]: RCFGBuilder took 668.36ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 80.5MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,351 INFO L158 Benchmark]: TraceAbstraction took 619.99ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 55.0MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:01:44,351 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 54.6MB in the end (delta: 357.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:01:44,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.65ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.01ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.32ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 668.36ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 80.5MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 619.99ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 55.0MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 54.6MB in the end (delta: 357.7kB). 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 someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.6; [L23] double var_1_2 = 64.25; [L24] double var_1_3 = 31.2; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] float var_1_7 = 5.8; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 64.8; [L32] float var_1_11 = 32.902; [L33] float var_1_12 = 10.5; [L34] float var_1_13 = 4.4; [L35] float var_1_14 = 999.375; [L36] double var_1_15 = 2.5; [L37] float var_1_16 = 8.6; [L38] float last_1_var_1_16 = 8.6; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_16 = var_1_16 [L106] RET updateLastVariables() [L107] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L70] var_1_3 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L75] var_1_6 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=1, var_1_9=1] [L78] var_1_8 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_9=1] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L81] var_1_9 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0] [L83] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L84] var_1_10 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L86] var_1_11 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L88] var_1_12 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L90] var_1_13 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L92] var_1_14 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L107] RET updateVariables() [L108] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) [L43] COND FALSE !((- var_1_5) >= var_1_6) [L52] unsigned char stepLocal_0 = var_1_9; [L53] COND FALSE !(var_1_8 && stepLocal_0) [L56] var_1_15 = 500.25 [L57] COND TRUE var_1_2 > last_1_var_1_16 [L58] COND TRUE \read(var_1_9) [L59] COND TRUE var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11))) [L60] var_1_16 = (var_1_14 + var_1_11) [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((float) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((double) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((float) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((float) var_1_12))) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=43/5, var_1_15=2001/4, var_1_16=43/5, var_1_4=1, var_1_5=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=43/5, var_1_15=2001/4, var_1_16=43/5, var_1_4=1, var_1_5=1, var_1_6=2, var_1_7=29/5, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 15, 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=35occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 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 05:01:44,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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_3f011f03-2197-4462-9e05-bc60d635751d/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 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:01:47,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:01:47,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:01:47,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:01:47,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:01:47,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:01:47,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:01:47,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:01:47,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:01:47,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:01:47,387 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:01:47,388 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:01:47,388 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:01:47,389 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:01:47,390 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:01:47,390 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:01:47,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:01:47,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:01:47,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:01:47,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:01:47,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:01:47,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:01:47,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:47,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:01:47,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:01:47,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:01:47,393 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:01:47,393 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_3f011f03-2197-4462-9e05-bc60d635751d/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 -> 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 [2024-11-14 05:01:47,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:01:47,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:01:47,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:01:47,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:01:47,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:01:47,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i Unable to find full path for "g++" [2024-11-14 05:01:49,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:01:50,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:01:50,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2024-11-14 05:01:50,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data/401031263/cd154971bd754d91b848d998e52083f7/FLAG4f51273df [2024-11-14 05:01:50,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/data/401031263/cd154971bd754d91b848d998e52083f7 [2024-11-14 05:01:50,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:01:50,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:01:50,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:50,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:01:50,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:01:50,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f888395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50, skipping insertion in model container [2024-11-14 05:01:50,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:01:50,595 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_3f011f03-2197-4462-9e05-bc60d635751d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2024-11-14 05:01:50,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:50,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:01:50,665 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_3f011f03-2197-4462-9e05-bc60d635751d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2024-11-14 05:01:50,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:50,710 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:01:50,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50 WrapperNode [2024-11-14 05:01:50,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:50,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:50,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:01:50,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:01:50,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,759 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-14 05:01:50,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:50,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:01:50,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:01:50,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:01:50,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:01:50,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:01:50,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:01:50,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:01:50,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (1/1) ... [2024-11-14 05:01:50,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:50,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:01:50,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:01:50,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:01:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:01:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:01:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:01:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:01:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:01:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:01:50,940 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:01:50,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:01:55,668 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 05:01:55,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:01:55,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:01:55,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:01:55,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:55 BoogieIcfgContainer [2024-11-14 05:01:55,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:01:55,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:01:55,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:01:55,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:01:55,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:01:50" (1/3) ... [2024-11-14 05:01:55,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444bca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:55, skipping insertion in model container [2024-11-14 05:01:55,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:50" (2/3) ... [2024-11-14 05:01:55,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444bca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:55, skipping insertion in model container [2024-11-14 05:01:55,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:55" (3/3) ... [2024-11-14 05:01:55,695 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-60.i [2024-11-14 05:01:55,710 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:01:55,712 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-60.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:01:55,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:01:55,827 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;@7d9fe940, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:01:55,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:01:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 05:01:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-14 05:01:55,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:55,850 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:55,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:01:55,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:55,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1072656062, now seen corresponding path program 1 times [2024-11-14 05:01:55,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:01:55,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31154151] [2024-11-14 05:01:55,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:55,876 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 05:01:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:01:55,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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 05:01:55,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f011f03-2197-4462-9e05-bc60d635751d/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 05:01:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:56,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 05:01:56,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:03:15,126 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)