./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.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_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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_25ced769-1751-4ccd-9b58-877f96d6edcf/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 d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:10:10,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:10:10,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:10:10,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:10:10,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:10:10,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:10:10,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:10:10,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:10:10,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:10:10,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:10:10,320 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:10:10,320 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:10:10,320 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:10:10,320 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:10:10,321 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:10:10,321 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:10:10,321 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:10:10,321 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:10:10,321 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:10:10,322 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:10:10,322 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:10:10,322 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:10:10,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:10:10,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:10:10,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:10:10,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:10:10,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:10:10,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:10:10,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:10:10,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:10:10,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:10:10,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:10:10,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:10:10,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:10:10,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:10:10,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:10:10,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:10:10,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:10:10,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:10:10,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:10:10,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:10:10,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:10:10,326 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:10:10,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:10:10,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:10:10,326 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:10:10,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:10:10,326 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_25ced769-1751-4ccd-9b58-877f96d6edcf/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 -> d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 [2024-11-14 05:10:10,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:10:10,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:10:10,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:10:10,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:10:10,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:10:10,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i Unable to find full path for "g++" [2024-11-14 05:10:13,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:10:13,444 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:10:13,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2024-11-14 05:10:13,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data/499127310/d78e5a854874424f99b116bb90aaa467/FLAGaf968c3fb [2024-11-14 05:10:13,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data/499127310/d78e5a854874424f99b116bb90aaa467 [2024-11-14 05:10:13,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:10:13,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:10:13,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:10:13,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:10:13,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:10:13,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:10:13" (1/1) ... [2024-11-14 05:10:13,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c8eefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:13, skipping insertion in model container [2024-11-14 05:10:13,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:10:13" (1/1) ... [2024-11-14 05:10:13,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:10:13,928 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_25ced769-1751-4ccd-9b58-877f96d6edcf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2024-11-14 05:10:14,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:10:14,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:10:14,058 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_25ced769-1751-4ccd-9b58-877f96d6edcf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2024-11-14 05:10:14,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:10:14,132 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:10:14,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14 WrapperNode [2024-11-14 05:10:14,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:10:14,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:10:14,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:10:14,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:10:14,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,185 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-14 05:10:14,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:10:14,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:10:14,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:10:14,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:10:14,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:10:14,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:10:14,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:10:14,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:10:14,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (1/1) ... [2024-11-14 05:10:14,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:10:14,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:10:14,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:10:14,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:10:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:10:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:10:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:10:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:10:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:10:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:10:14,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:10:14,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:10:14,858 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-14 05:10:14,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:10:15,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:10:15,089 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:10:15,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:15 BoogieIcfgContainer [2024-11-14 05:10:15,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:10:15,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:10:15,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:10:15,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:10:15,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:10:13" (1/3) ... [2024-11-14 05:10:15,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5236adf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:10:15, skipping insertion in model container [2024-11-14 05:10:15,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:14" (2/3) ... [2024-11-14 05:10:15,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5236adf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:10:15, skipping insertion in model container [2024-11-14 05:10:15,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:15" (3/3) ... [2024-11-14 05:10:15,103 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-30.i [2024-11-14 05:10:15,122 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:10:15,123 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-30.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:10:15,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:10:15,207 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;@7e8938ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:10:15,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:10:15,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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 05:10:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 05:10:15,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:10:15,223 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] [2024-11-14 05:10:15,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:10:15,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:10:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1279171591, now seen corresponding path program 1 times [2024-11-14 05:10:15,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:10:15,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665916821] [2024-11-14 05:10:15,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:15,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:10:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:10:15,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720180206] [2024-11-14 05:10:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:10:15,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:10:15,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:10:15,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:10:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:10:15,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:10:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:10:15,913 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:10:15,915 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:10:15,918 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:10:15,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 05:10:16,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:10:16,125 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:10:16,214 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:10:16,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:10:16 BoogieIcfgContainer [2024-11-14 05:10:16,218 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:10:16,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:10:16,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:10:16,219 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:10:16,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:15" (3/4) ... [2024-11-14 05:10:16,223 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:10:16,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:10:16,226 INFO L158 Benchmark]: Toolchain (without parser) took 2542.27ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 53.6MB in the end (delta: 39.0MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-14 05:10:16,227 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:16,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.89ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.4MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:10:16,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.58ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:16,230 INFO L158 Benchmark]: Boogie Preprocessor took 38.41ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:16,231 INFO L158 Benchmark]: RCFGBuilder took 864.08ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 90.3MB in the end (delta: -15.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-14 05:10:16,235 INFO L158 Benchmark]: TraceAbstraction took 1124.77ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 53.6MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:10:16,235 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 117.4MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:10:16,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.89ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.4MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.58ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.41ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 864.08ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 90.3MB in the end (delta: -15.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.77ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 53.6MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 117.4MB. Free memory is still 53.6MB. 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 61, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = -32; [L26] unsigned char var_1_7 = 128; [L27] unsigned char var_1_8 = 10; [L28] unsigned char var_1_9 = 2; [L29] signed long int var_1_10 = 0; [L30] float var_1_11 = 32.5; [L31] float var_1_13 = 127.8; [L32] float var_1_14 = 999.25; [L33] float var_1_15 = 1000000000.5; [L34] float var_1_16 = 256.6; [L35] signed long int last_1_var_1_10 = 0; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_10 = var_1_10 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L75] var_1_5 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L77] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L78] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L79] var_1_6 = __VERIFIER_nondet_short() [L80] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=128, var_1_8=10, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=128, var_1_8=10, var_1_9=2] [L82] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=128, var_1_8=10, var_1_9=2] [L83] var_1_7 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_8=10, var_1_9=2] [L85] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=10, var_1_9=2] [L86] var_1_8 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_9=2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_9=2] [L88] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=2] [L89] var_1_9 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256] [L91] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L92] var_1_13 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L94] var_1_14 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L96] var_1_15 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L111] RET updateVariables() [L112] CALL step() [L39] signed long int stepLocal_0 = (last_1_var_1_10 / var_1_5) % var_1_6; [L40] COND FALSE !(\read(var_1_2)) [L45] var_1_1 = var_1_9 [L47] unsigned char stepLocal_2 = var_1_1; [L48] signed long int stepLocal_1 = var_1_1 + var_1_1; [L49] COND TRUE stepLocal_1 < var_1_6 [L50] COND FALSE !(\read(var_1_2)) [L55] var_1_10 = var_1_8 [L60] unsigned char stepLocal_4 = var_1_1; [L61] EXPR (var_1_9 / var_1_5) << var_1_6 [L61] signed long int stepLocal_3 = (var_1_9 / var_1_5) << var_1_6; [L62] COND TRUE stepLocal_4 > var_1_10 [L63] COND FALSE !(var_1_1 <= stepLocal_3) [L69] var_1_16 = var_1_15 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR ((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15)))) [L103] EXPR (var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))) [L103] EXPR (var_1_9 / var_1_5) << var_1_6 [L103] EXPR (var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))) [L103] EXPR ((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15)))) [L103-L104] return (((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))))) && (var_1_16 == ((float) var_1_15)) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_15=2, var_1_16=2, var_1_1=257, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_15=2, var_1_16=2, var_1_1=257, var_1_2=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=-256, var_1_9=257] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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=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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 05:10:16,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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_25ced769-1751-4ccd-9b58-877f96d6edcf/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 d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:10:19,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:10:19,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:10:19,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:10:19,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:10:19,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:10:19,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:10:19,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:10:19,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:10:19,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:10:19,674 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:10:19,675 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:10:19,675 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:10:19,675 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:10:19,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:10:19,676 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:10:19,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:10:19,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:10:19,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:10:19,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:10:19,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:10:19,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:10:19,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:10:19,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:10:19,678 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:10:19,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:10:19,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:10:19,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:10:19,680 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:10:19,682 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_25ced769-1751-4ccd-9b58-877f96d6edcf/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 -> d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 [2024-11-14 05:10:20,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:10:20,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:10:20,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:10:20,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:10:20,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:10:20,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i Unable to find full path for "g++" [2024-11-14 05:10:22,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:10:22,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:10:22,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2024-11-14 05:10:22,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data/81281b705/99540fb473a24b2d9fb743ee572d3487/FLAG99b5ed7a5 [2024-11-14 05:10:22,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/data/81281b705/99540fb473a24b2d9fb743ee572d3487 [2024-11-14 05:10:22,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:10:22,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:10:22,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:10:22,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:10:22,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:10:22,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:10:22" (1/1) ... [2024-11-14 05:10:22,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5124355f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:22, skipping insertion in model container [2024-11-14 05:10:22,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:10:22" (1/1) ... [2024-11-14 05:10:22,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:10:23,092 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_25ced769-1751-4ccd-9b58-877f96d6edcf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2024-11-14 05:10:23,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:10:23,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:10:23,221 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_25ced769-1751-4ccd-9b58-877f96d6edcf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2024-11-14 05:10:23,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:10:23,307 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:10:23,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23 WrapperNode [2024-11-14 05:10:23,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:10:23,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:10:23,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:10:23,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:10:23,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,360 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-14 05:10:23,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:10:23,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:10:23,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:10:23,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:10:23,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:10:23,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:10:23,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:10:23,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:10:23,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (1/1) ... [2024-11-14 05:10:23,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:10:23,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:10:23,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:10:23,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:10:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:10:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:10:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:10:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:10:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:10:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:10:23,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:10:23,570 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:10:24,767 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 05:10:24,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:10:24,782 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:10:24,782 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:10:24,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:24 BoogieIcfgContainer [2024-11-14 05:10:24,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:10:24,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:10:24,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:10:24,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:10:24,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:10:22" (1/3) ... [2024-11-14 05:10:24,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bab33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:10:24, skipping insertion in model container [2024-11-14 05:10:24,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:10:23" (2/3) ... [2024-11-14 05:10:24,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bab33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:10:24, skipping insertion in model container [2024-11-14 05:10:24,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:10:24" (3/3) ... [2024-11-14 05:10:24,798 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-30.i [2024-11-14 05:10:24,819 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:10:24,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-30.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:10:24,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:10:24,936 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;@2601e912, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:10:24,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:10:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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 05:10:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 05:10:24,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:10:24,960 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] [2024-11-14 05:10:24,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:10:24,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:10:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1073471830, now seen corresponding path program 1 times [2024-11-14 05:10:24,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:10:24,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366744012] [2024-11-14 05:10:24,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:24,987 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 05:10:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:10:24,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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 05:10:24,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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 05:10:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:10:25,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:10:25,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:10:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-14 05:10:25,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:10:25,534 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:10:25,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366744012] [2024-11-14 05:10:25,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366744012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:10:25,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:10:25,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:10:25,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513104485] [2024-11-14 05:10:25,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:10:25,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:10:25,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:10:25,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:10:25,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:10:25,584 INFO L87 Difference]: Start difference. First operand has 55 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 05:10:25,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:10:25,630 INFO L93 Difference]: Finished difference Result 103 states and 173 transitions. [2024-11-14 05:10:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:10:25,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 109 [2024-11-14 05:10:25,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:10:25,642 INFO L225 Difference]: With dead ends: 103 [2024-11-14 05:10:25,642 INFO L226 Difference]: Without dead ends: 51 [2024-11-14 05:10:25,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 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 05:10:25,651 INFO L432 NwaCegarLoop]: 74 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, 74 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 05:10:25,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:10:25,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-14 05:10:25,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-14 05:10:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 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 05:10:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-14 05:10:25,714 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 109 [2024-11-14 05:10:25,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:10:25,714 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-14 05:10:25,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 05:10:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-14 05:10:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 05:10:25,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:10:25,720 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] [2024-11-14 05:10:25,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:10:25,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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 05:10:25,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:10:25,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:10:25,922 INFO L85 PathProgramCache]: Analyzing trace with hash -546725612, now seen corresponding path program 1 times [2024-11-14 05:10:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:10:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334102691] [2024-11-14 05:10:25,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:25,924 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 05:10:25,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:10:25,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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 05:10:25,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ced769-1751-4ccd-9b58-877f96d6edcf/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 05:10:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:10:26,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 05:10:26,426 INFO L278 TraceCheckSpWp]: Computing forward predicates...