./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/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_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/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_f23a9f11-48fa-488c-82a1-adfac4690a65/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 bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:12:18,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:12:18,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:12:18,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:12:18,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:12:18,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:12:18,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:12:18,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:12:18,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:12:18,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:12:18,516 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:12:18,516 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:12:18,516 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:12:18,516 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:12:18,516 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:12:18,516 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:12:18,517 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:12:18,517 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:12:18,517 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:12:18,517 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:12:18,517 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:12:18,518 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:12:18,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:12:18,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:12:18,518 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:12:18,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:12:18,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:12:18,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:12:18,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:12:18,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:12:18,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:12:18,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:12:18,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:12:18,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:12:18,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:12:18,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:12:18,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:12:18,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:12:18,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:18,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:12:18,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:12:18,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:12:18,521 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:12:18,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:12:18,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:12:18,522 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:12:18,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:12:18,522 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_f23a9f11-48fa-488c-82a1-adfac4690a65/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 -> bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 [2024-11-14 04:12:18,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:12:18,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:12:18,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:12:18,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:12:18,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:12:18,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i Unable to find full path for "g++" [2024-11-14 04:12:21,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:12:21,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:12:21,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i [2024-11-14 04:12:21,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data/2917eca8c/0e1b28a7665e4a5bb62b21dc114caed1/FLAG513952cc3 [2024-11-14 04:12:21,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data/2917eca8c/0e1b28a7665e4a5bb62b21dc114caed1 [2024-11-14 04:12:21,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:12:21,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:12:21,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:21,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:12:21,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:12:21,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a07d63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21, skipping insertion in model container [2024-11-14 04:12:21,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:12:21,791 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_f23a9f11-48fa-488c-82a1-adfac4690a65/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-14 04:12:21,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:21,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:12:21,876 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_f23a9f11-48fa-488c-82a1-adfac4690a65/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-14 04:12:21,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:21,925 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:12:21,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21 WrapperNode [2024-11-14 04:12:21,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:21,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:21,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:12:21,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:12:21,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,974 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-14 04:12:21,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:21,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:12:21,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:12:21,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:12:21,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:21,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:22,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:22,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:22,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:22,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:22,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:12:22,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:12:22,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:12:22,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:12:22,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (1/1) ... [2024-11-14 04:12:22,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:22,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:12:22,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:12:22,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:12:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:12:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:12:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:12:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:12:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:12:22,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:12:22,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:12:22,633 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:12:22,633 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:12:22,969 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:12:22,970 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:12:22,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:22 BoogieIcfgContainer [2024-11-14 04:12:22,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:12:22,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:12:22,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:12:22,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:12:22,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:12:21" (1/3) ... [2024-11-14 04:12:22,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:22, skipping insertion in model container [2024-11-14 04:12:22,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:21" (2/3) ... [2024-11-14 04:12:22,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:22, skipping insertion in model container [2024-11-14 04:12:22,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:22" (3/3) ... [2024-11-14 04:12:22,987 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-76.i [2024-11-14 04:12:23,008 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:12:23,010 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-76.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:12:23,077 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:12:23,100 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;@3dbeb275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:12:23,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:12:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 04:12:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 04:12:23,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:12:23,119 INFO L215 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:12:23,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:12:23,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:12:23,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1449649022, now seen corresponding path program 1 times [2024-11-14 04:12:23,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:12:23,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487183142] [2024-11-14 04:12:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:12:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:12:23,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835693575] [2024-11-14 04:12:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:23,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:12:23,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:12:23,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:12:23,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:12:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:12:23,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:12:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:12:24,122 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:12:24,125 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:12:24,126 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:12:24,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:12:24,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:12:24,333 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:12:24,448 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:12:24,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:12:24 BoogieIcfgContainer [2024-11-14 04:12:24,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:12:24,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:12:24,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:12:24,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:12:24,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:22" (3/4) ... [2024-11-14 04:12:24,462 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:12:24,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:12:24,466 INFO L158 Benchmark]: Toolchain (without parser) took 2892.52ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 34.4MB in the end (delta: 57.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-14 04:12:24,466 INFO L158 Benchmark]: CDTParser took 2.11ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:24,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.84ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 78.3MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:12:24,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.24ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:24,468 INFO L158 Benchmark]: Boogie Preprocessor took 46.27ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:24,468 INFO L158 Benchmark]: RCFGBuilder took 947.65ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 84.9MB in the end (delta: -10.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-14 04:12:24,468 INFO L158 Benchmark]: TraceAbstraction took 1481.28ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 35.1MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 04:12:24,469 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 117.4MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:24,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.11ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.84ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 78.3MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.24ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.27ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 947.65ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 84.9MB in the end (delta: -10.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1481.28ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 35.1MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 117.4MB. Free memory is still 34.4MB. 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 someBinaryFLOATComparisonOperation at line 128, overapproximation of bitwiseOr at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed char var_1_9 = -16; [L31] signed long int var_1_10 = 1; [L32] signed long int var_1_11 = 4; [L33] signed long int var_1_12 = 0; [L34] signed long int var_1_13 = -16; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 5; [L37] unsigned short int var_1_16 = 5; [L38] unsigned short int var_1_17 = 4; [L39] unsigned char var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 8; [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] FCALL updateLastVariables() [L136] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L90] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L91] var_1_3 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L93] var_1_4 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L95] var_1_5 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L97] var_1_7 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L99] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L100] var_1_9 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_9 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L103] var_1_10 = __VERIFIER_nondet_long() [L104] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L106] var_1_12 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L109] var_1_13 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_13 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 >= -1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L112] var_1_15 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_ushort() [L116] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L118] var_1_19 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L121] var_1_20 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L123] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=-255, var_1_6=-64, var_1_8=21/4, var_1_9=0] [L136] RET updateVariables() [L137] CALL step() [L45] COND FALSE !(! var_1_2) [L48] var_1_1 = var_1_4 [L50] COND TRUE var_1_5 > (var_1_3 / var_1_7) [L51] COND FALSE !(! var_1_2) [L55] COND TRUE (var_1_6 * var_1_9) >= var_1_10 [L56] COND TRUE \read(var_1_2) [L57] var_1_8 = var_1_4 [L60] COND FALSE !(var_1_4 <= var_1_1) [L63] var_1_11 = (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))) [L65] COND FALSE !(var_1_5 >= var_1_1) [L72] COND TRUE \read(var_1_2) [L73] COND TRUE var_1_1 == var_1_5 [L74] COND FALSE !((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) [L83] EXPR var_1_11 | var_1_6 [L83] COND TRUE (var_1_14 + (var_1_11 | var_1_6)) > var_1_16 [L84] var_1_18 = (128 - (var_1_19 + var_1_20)) [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) [L128-L129] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2147483648, var_1_11=0, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=128, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=-255, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-2147483648, var_1_11=0, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=4, var_1_16=-55601, var_1_17=4, var_1_18=128, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=-255, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:12:24,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/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_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/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_f23a9f11-48fa-488c-82a1-adfac4690a65/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 bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:12:27,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:12:27,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:12:27,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:12:27,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:12:27,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:12:27,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:12:27,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:12:27,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:12:27,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:12:27,740 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:12:27,740 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:12:27,740 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:12:27,740 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:12:27,740 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:12:27,740 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:12:27,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:12:27,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:12:27,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:12:27,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:12:27,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:12:27,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:12:27,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:27,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:12:27,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:12:27,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:12:27,745 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:12:27,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:12:27,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:12:27,746 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:12:27,746 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_f23a9f11-48fa-488c-82a1-adfac4690a65/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 -> bb33f9e7f069a2de29c207cc3142b06add79cc3fa9bd8a71aa8e6f959ccdca69 [2024-11-14 04:12:28,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:12:28,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:12:28,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:12:28,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:12:28,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:12:28,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i Unable to find full path for "g++" [2024-11-14 04:12:30,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:12:30,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:12:30,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i [2024-11-14 04:12:30,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data/c56e1c92e/31923d955a5840b8b193403608fd7f02/FLAG327ad0c42 [2024-11-14 04:12:30,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/data/c56e1c92e/31923d955a5840b8b193403608fd7f02 [2024-11-14 04:12:30,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:12:30,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:12:30,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:30,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:12:30,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:12:30,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:30" (1/1) ... [2024-11-14 04:12:30,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50459a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:30, skipping insertion in model container [2024-11-14 04:12:30,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:30" (1/1) ... [2024-11-14 04:12:30,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:12:30,838 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_f23a9f11-48fa-488c-82a1-adfac4690a65/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-14 04:12:30,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:30,922 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:12:30,940 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_f23a9f11-48fa-488c-82a1-adfac4690a65/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-76.i[913,926] [2024-11-14 04:12:30,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:31,006 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:12:31,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31 WrapperNode [2024-11-14 04:12:31,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:31,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:31,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:12:31,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:12:31,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,059 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-14 04:12:31,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:31,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:12:31,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:12:31,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:12:31,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:12:31,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:12:31,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:12:31,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:12:31,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (1/1) ... [2024-11-14 04:12:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:31,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:12:31,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:12:31,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:12:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:12:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:12:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:12:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:12:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:12:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:12:31,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:12:31,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:12:36,364 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 04:12:36,364 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:12:36,384 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:12:36,386 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:12:36,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:36 BoogieIcfgContainer [2024-11-14 04:12:36,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:12:36,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:12:36,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:12:36,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:12:36,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:12:30" (1/3) ... [2024-11-14 04:12:36,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566915a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:36, skipping insertion in model container [2024-11-14 04:12:36,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:31" (2/3) ... [2024-11-14 04:12:36,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566915a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:36, skipping insertion in model container [2024-11-14 04:12:36,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:36" (3/3) ... [2024-11-14 04:12:36,409 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-76.i [2024-11-14 04:12:36,430 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:12:36,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-76.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:12:36,557 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:12:36,580 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;@6cc3937b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:12:36,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:12:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 04:12:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 04:12:36,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:12:36,606 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:12:36,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:12:36,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:12:36,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1784514016, now seen corresponding path program 1 times [2024-11-14 04:12:36,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:12:36,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653017400] [2024-11-14 04:12:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:36,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:12:36,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:12:36,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:12:36,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:12:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:12:37,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:12:37,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:12:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2024-11-14 04:12:37,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:12:37,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:12:37,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653017400] [2024-11-14 04:12:37,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653017400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:12:37,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:12:37,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:12:37,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258223500] [2024-11-14 04:12:37,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:12:37,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:12:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:12:37,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:12:37,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:12:37,970 INFO L87 Difference]: Start difference. First operand has 67 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:12:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:12:38,003 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2024-11-14 04:12:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:12:38,006 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-14 04:12:38,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:12:38,014 INFO L225 Difference]: With dead ends: 127 [2024-11-14 04:12:38,014 INFO L226 Difference]: Without dead ends: 63 [2024-11-14 04:12:38,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:12:38,022 INFO L432 NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:12:38,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:12:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-14 04:12:38,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-14 04:12:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 04:12:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2024-11-14 04:12:38,077 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 144 [2024-11-14 04:12:38,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:12:38,078 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2024-11-14 04:12:38,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:12:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-11-14 04:12:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 04:12:38,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:12:38,082 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:12:38,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:12:38,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:12:38,283 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:12:38,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:12:38,284 INFO L85 PathProgramCache]: Analyzing trace with hash -291118246, now seen corresponding path program 1 times [2024-11-14 04:12:38,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:12:38,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877232154] [2024-11-14 04:12:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:38,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:12:38,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:12:38,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:12:38,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:12:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:12:39,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:12:39,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:25,991 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from false [2024-11-14 04:13:28,067 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from true [2024-11-14 04:14:57,470 WARN L851 $PredicateComparison]: unable to prove that (and (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from false [2024-11-14 04:15:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-14 04:15:03,721 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:15:03,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:15:03,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877232154] [2024-11-14 04:15:03,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877232154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:15:03,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:15:03,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:15:03,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728803882] [2024-11-14 04:15:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:15:03,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:15:03,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:15:03,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:15:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=4, Unknown=3, NotChecked=6, Total=20 [2024-11-14 04:15:03,726 INFO L87 Difference]: Start difference. First operand 63 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 04:15:06,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:08,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:10,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:12,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:16,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:18,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:15:18,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:15:18,903 INFO L93 Difference]: Finished difference Result 152 states and 235 transitions. [2024-11-14 04:15:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:15:18,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2024-11-14 04:15:18,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:15:18,909 INFO L225 Difference]: With dead ends: 152 [2024-11-14 04:15:18,909 INFO L226 Difference]: Without dead ends: 92 [2024-11-14 04:15:18,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=7, Invalid=4, Unknown=3, NotChecked=6, Total=20 [2024-11-14 04:15:18,911 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 37 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 223 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:15:18,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 261 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 6 Unknown, 223 Unchecked, 15.1s Time] [2024-11-14 04:15:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-14 04:15:18,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2024-11-14 04:15:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:15:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 138 transitions. [2024-11-14 04:15:18,931 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 138 transitions. Word has length 144 [2024-11-14 04:15:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:15:18,932 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 138 transitions. [2024-11-14 04:15:18,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-14 04:15:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2024-11-14 04:15:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 04:15:18,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:15:18,935 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:15:18,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:15:19,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:15:19,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:15:19,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:15:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1100464872, now seen corresponding path program 1 times [2024-11-14 04:15:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:15:19,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216968687] [2024-11-14 04:15:19,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:15:19,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:15:19,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:15:19,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:15:19,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23a9f11-48fa-488c-82a1-adfac4690a65/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:15:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:15:20,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 04:15:20,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:16:41,771 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:16:43,835 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 04:19:43,691 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.leq c_~var_1_4~0 c_~var_1_1~0)) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) .cse2))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))))) (let ((.cse7 (bvadd (_ bv256 32) c_~var_1_11~0))) (let ((.cse9 (bvslt c_~var_1_12~0 (_ bv256 32))) (.cse8 (= .cse7 c_~var_1_12~0))) (or (and (let ((.cse5 (bvslt c_~var_1_12~0 c_~var_1_13~0))) (or (and (not .cse5) (let ((.cse6 (bvsgt c_~var_1_13~0 (_ bv256 32)))) (or (and (= (_ bv0 32) c_~var_1_11~0) (not .cse6)) (and .cse6 (= c_~var_1_13~0 .cse7))))) (and .cse5 .cse8))) (not .cse9)) (and .cse9 .cse8)))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:19:45,756 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.leq c_~var_1_4~0 c_~var_1_1~0)) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) .cse2))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse4))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))))) (let ((.cse7 (bvadd (_ bv256 32) c_~var_1_11~0))) (let ((.cse9 (bvslt c_~var_1_12~0 (_ bv256 32))) (.cse8 (= .cse7 c_~var_1_12~0))) (or (and (let ((.cse5 (bvslt c_~var_1_12~0 c_~var_1_13~0))) (or (and (not .cse5) (let ((.cse6 (bvsgt c_~var_1_13~0 (_ bv256 32)))) (or (and (= (_ bv0 32) c_~var_1_11~0) (not .cse6)) (and .cse6 (= c_~var_1_13~0 .cse7))))) (and .cse5 .cse8))) (not .cse9)) (and .cse9 .cse8)))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 04:19:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-14 04:19:46,408 INFO L311 TraceCheckSpWp]: Computing backward predicates...