./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.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_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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_4a48177f-9807-42da-b21b-9a06c2aff049/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 d9ca78178911556bbd04494b858a31f62bf8c4fa890b7ca4c32844eb26872874 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:27:16,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:27:16,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:27:16,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:27:16,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:27:16,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:27:16,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:27:16,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:27:16,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:27:16,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:27:16,641 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:27:16,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:27:16,641 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:27:16,642 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:27:16,643 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:27:16,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:27:16,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:27:16,644 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:27:16,644 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:27:16,645 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:27:16,645 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:27:16,645 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:27:16,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:27:16,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:27:16,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:27:16,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:27:16,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:27:16,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:27:16,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:27:16,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:27:16,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:27:16,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:27:16,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:27:16,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:27:16,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:27:16,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:27:16,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:27:16,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:27:16,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:16,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:27:16,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:27:16,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:27:16,650 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:27:16,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:27:16,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:27:16,650 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:27:16,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:27:16,651 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_4a48177f-9807-42da-b21b-9a06c2aff049/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 -> d9ca78178911556bbd04494b858a31f62bf8c4fa890b7ca4c32844eb26872874 [2024-11-14 04:27:17,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:27:17,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:27:17,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:27:17,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:27:17,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:27:17,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i Unable to find full path for "g++" [2024-11-14 04:27:19,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:27:19,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:27:19,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i [2024-11-14 04:27:19,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data/ffeffc590/57d8104a18394f49a60f72dded0eab33/FLAGf05f0b87f [2024-11-14 04:27:19,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data/ffeffc590/57d8104a18394f49a60f72dded0eab33 [2024-11-14 04:27:19,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:27:19,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:27:19,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:19,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:27:19,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:27:19,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:19" (1/1) ... [2024-11-14 04:27:19,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb22341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:19, skipping insertion in model container [2024-11-14 04:27:19,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:19" (1/1) ... [2024-11-14 04:27:19,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:27:19,812 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_4a48177f-9807-42da-b21b-9a06c2aff049/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i[913,926] [2024-11-14 04:27:19,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:19,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:27:19,972 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_4a48177f-9807-42da-b21b-9a06c2aff049/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i[913,926] [2024-11-14 04:27:20,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:20,042 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:27:20,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20 WrapperNode [2024-11-14 04:27:20,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:20,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:20,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:27:20,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:27:20,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,138 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-14 04:27:20,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:20,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:27:20,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:27:20,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:27:20,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:27:20,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:27:20,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:27:20,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:27:20,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (1/1) ... [2024-11-14 04:27:20,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:20,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:20,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:27:20,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:27:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:27:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:27:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:27:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:27:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:27:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:27:20,425 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:27:20,427 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:27:20,984 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 04:27:20,984 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:27:21,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:27:21,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:27:21,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:21 BoogieIcfgContainer [2024-11-14 04:27:21,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:27:21,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:27:21,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:27:21,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:27:21,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:27:19" (1/3) ... [2024-11-14 04:27:21,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:21, skipping insertion in model container [2024-11-14 04:27:21,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:20" (2/3) ... [2024-11-14 04:27:21,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:21, skipping insertion in model container [2024-11-14 04:27:21,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:21" (3/3) ... [2024-11-14 04:27:21,274 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-85.i [2024-11-14 04:27:21,291 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:27:21,293 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-85.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:27:21,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:27:21,391 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;@72287124, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:27:21,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:27:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:27:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 04:27:21,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:21,410 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:21,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:21,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1708617484, now seen corresponding path program 1 times [2024-11-14 04:27:21,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:27:21,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562005770] [2024-11-14 04:27:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:21,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:27:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:27:21,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905413349] [2024-11-14 04:27:21,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:21,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:27:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:21,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:27:21,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:27:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:27:22,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:27:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:27:22,536 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:27:22,538 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:27:22,540 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:27:22,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:27:22,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:27:22,747 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:27:22,822 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:27:22,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:27:22 BoogieIcfgContainer [2024-11-14 04:27:22,829 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:27:22,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:27:22,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:27:22,831 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:27:22,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:21" (3/4) ... [2024-11-14 04:27:22,835 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:27:22,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:27:22,837 INFO L158 Benchmark]: Toolchain (without parser) took 3268.94ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 87.2MB in the end (delta: 31.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-14 04:27:22,838 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:22,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.04ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.9MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:27:22,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.17ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.5MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:27:22,842 INFO L158 Benchmark]: Boogie Preprocessor took 64.92ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:22,844 INFO L158 Benchmark]: RCFGBuilder took 1049.69ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 64.9MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:27:22,844 INFO L158 Benchmark]: TraceAbstraction took 1565.18ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 87.2MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:22,846 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:27:22,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.04ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.9MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.17ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.5MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.92ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1049.69ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 64.9MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1565.18ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 87.2MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 119. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned short int var_1_2 = 2; [L24] unsigned short int var_1_3 = 8; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 0.6; [L29] unsigned long int var_1_8 = 32; [L30] unsigned long int var_1_9 = 32; [L31] float var_1_10 = 49.359; [L32] float var_1_11 = 5.5; [L33] unsigned long int var_1_12 = 128; [L34] unsigned char var_1_13 = 16; [L35] unsigned char var_1_14 = 0; [L36] unsigned long int var_1_15 = 8; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] double var_1_18 = 1.8; [L40] double var_1_19 = 4.5; [L41] double var_1_20 = 15.5; [L123] isInitial = 1 [L124] FCALL initially() [L125] COND TRUE 1 [L126] FCALL updateLastVariables() [L127] CALL updateVariables() [L81] var_1_2 = __VERIFIER_nondet_ushort() [L82] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L83] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L84] var_1_3 = __VERIFIER_nondet_ushort() [L85] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L86] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] var_1_4 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L89] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L90] var_1_6 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L92] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L93] var_1_8 = __VERIFIER_nondet_ulong() [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L95] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L96] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=32] [L97] var_1_9 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294] [L99] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294] [L100] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L101] var_1_10 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L103] var_1_11 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L105] var_1_14 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L107] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L108] var_1_17 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L110] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L111] var_1_19 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L113] var_1_20 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_4=-255, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=-4294967294, var_1_9=-8589934590] [L127] RET updateVariables() [L128] CALL step() [L45] COND FALSE !(var_1_2 < ((- var_1_3) * 64)) [L56] COND FALSE !(var_1_2 <= (var_1_3 + var_1_1)) [L59] var_1_5 = var_1_6 [L61] COND FALSE !((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) [L66] var_1_7 = var_1_11 [L68] COND TRUE var_1_7 <= (- (32.8f + var_1_10)) [L69] var_1_12 = var_1_3 [L71] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L72] COND TRUE \read(var_1_4) [L73] var_1_15 = ((((var_1_3) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_3) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))) [L75] var_1_16 = (var_1_6 && var_1_17) [L76] COND FALSE !(var_1_5 || var_1_17) [L128] RET step() [L129] CALL, EXPR property() [L119-L120] return ((((((((var_1_2 < ((- var_1_3) * 64)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : ((-10000000 < var_1_2) ? (var_1_1 == ((unsigned long int) (((((((var_1_3) > (5u)) ? (var_1_3) : (5u))) < 0 ) ? -((((var_1_3) > (5u)) ? (var_1_3) : (5u))) : ((((var_1_3) > (5u)) ? (var_1_3) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((var_1_2 <= (var_1_3 + var_1_1)) ? (var_1_5 == ((unsigned char) ((var_1_3 == var_1_2) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_10) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_10))) ? (var_1_12 == ((unsigned long int) var_1_3)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_4 ? (var_1_15 == ((unsigned long int) ((((var_1_3) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_3) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=2, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_2=65535, var_1_3=508, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=-4294967294, var_1_9=-8589934590] [L19] reach_error() VAL [isInitial=1, var_1_11=2, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_2=65535, var_1_3=508, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=-4294967294, var_1_9=-8589934590] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 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 04:27:22,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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_4a48177f-9807-42da-b21b-9a06c2aff049/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 d9ca78178911556bbd04494b858a31f62bf8c4fa890b7ca4c32844eb26872874 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:27:26,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:27:26,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:27:26,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:27:26,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:27:26,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:27:26,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:27:26,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:27:26,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:27:26,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:27:26,265 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:27:26,266 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:27:26,266 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:27:26,266 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:27:26,266 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:27:26,266 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:27:26,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:27:26,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:27:26,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:27:26,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:27:26,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:27:26,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:27:26,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:27:26,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:27:26,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:27:26,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:27:26,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:27:26,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:27:26,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:27:26,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:26,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:27:26,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:27:26,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:27:26,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:27:26,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:27:26,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:27:26,274 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:27:26,275 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_4a48177f-9807-42da-b21b-9a06c2aff049/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 -> d9ca78178911556bbd04494b858a31f62bf8c4fa890b7ca4c32844eb26872874 [2024-11-14 04:27:26,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:27:26,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:27:26,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:27:26,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:27:26,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:27:26,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i Unable to find full path for "g++" [2024-11-14 04:27:28,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:27:29,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:27:29,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i [2024-11-14 04:27:29,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data/6b8c66f65/2f7719ff397b48af826798bb1584e12b/FLAG733824ca7 [2024-11-14 04:27:29,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/data/6b8c66f65/2f7719ff397b48af826798bb1584e12b [2024-11-14 04:27:29,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:27:29,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:27:29,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:29,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:27:29,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:27:29,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aefa570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29, skipping insertion in model container [2024-11-14 04:27:29,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:27:29,694 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_4a48177f-9807-42da-b21b-9a06c2aff049/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i[913,926] [2024-11-14 04:27:29,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:29,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:27:29,794 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_4a48177f-9807-42da-b21b-9a06c2aff049/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-85.i[913,926] [2024-11-14 04:27:29,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:27:29,855 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:27:29,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29 WrapperNode [2024-11-14 04:27:29,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:27:29,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:29,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:27:29,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:27:29,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,929 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-14 04:27:29,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:27:29,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:27:29,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:27:29,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:27:29,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:29,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:27:29,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:27:29,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:27:29,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:27:29,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (1/1) ... [2024-11-14 04:27:30,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:27:30,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:30,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:27:30,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:27:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:27:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:27:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:27:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:27:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:27:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:27:30,217 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:27:30,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:27:33,202 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 04:27:33,202 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:27:33,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:27:33,221 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:27:33,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:33 BoogieIcfgContainer [2024-11-14 04:27:33,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:27:33,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:27:33,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:27:33,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:27:33,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:27:29" (1/3) ... [2024-11-14 04:27:33,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f55fb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:33, skipping insertion in model container [2024-11-14 04:27:33,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:27:29" (2/3) ... [2024-11-14 04:27:33,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f55fb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:27:33, skipping insertion in model container [2024-11-14 04:27:33,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:27:33" (3/3) ... [2024-11-14 04:27:33,237 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-85.i [2024-11-14 04:27:33,256 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:27:33,261 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-85.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:27:33,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:27:33,344 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;@254e92d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:27:33,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:27:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:27:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 04:27:33,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:33,370 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:33,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:33,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:33,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1636044133, now seen corresponding path program 1 times [2024-11-14 04:27:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:33,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520958902] [2024-11-14 04:27:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:33,397 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 04:27:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:33,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:33,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:34,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:27:34,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-14 04:27:34,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:27:34,081 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:34,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520958902] [2024-11-14 04:27:34,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520958902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:27:34,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:27:34,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:27:34,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142440562] [2024-11-14 04:27:34,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:27:34,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:27:34,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:34,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:27:34,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:27:34,118 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:27:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:34,150 INFO L93 Difference]: Finished difference Result 119 states and 206 transitions. [2024-11-14 04:27:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:27:34,153 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2024-11-14 04:27:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:34,161 INFO L225 Difference]: With dead ends: 119 [2024-11-14 04:27:34,161 INFO L226 Difference]: Without dead ends: 58 [2024-11-14 04:27:34,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 04:27:34,169 INFO L432 NwaCegarLoop]: 85 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, 85 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 04:27:34,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:27:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-14 04:27:34,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-14 04:27:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:27:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-11-14 04:27:34,223 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 139 [2024-11-14 04:27:34,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:34,223 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-11-14 04:27:34,224 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:27:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-14 04:27:34,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 04:27:34,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:34,228 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:34,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:34,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:34,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:34,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash -647253361, now seen corresponding path program 1 times [2024-11-14 04:27:34,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996656852] [2024-11-14 04:27:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:34,433 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 04:27:34,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:34,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:34,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:35,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:27:35,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-14 04:27:36,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-14 04:27:37,841 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996656852] [2024-11-14 04:27:37,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996656852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:27:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1567360184] [2024-11-14 04:27:37,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:37,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:27:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:27:37,845 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:27:37,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:27:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:39,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 04:27:39,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-14 04:27:40,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-14 04:27:41,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1567360184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:27:41,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561666640] [2024-11-14 04:27:41,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:41,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:27:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:41,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:27:41,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:27:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:41,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:27:41,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-14 04:27:42,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-14 04:27:43,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561666640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:27:43,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:27:43,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 13 [2024-11-14 04:27:43,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134520315] [2024-11-14 04:27:43,468 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:27:43,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:27:43,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:43,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:27:43,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:27:43,476 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-14 04:27:46,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:27:47,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:47,285 INFO L93 Difference]: Finished difference Result 168 states and 236 transitions. [2024-11-14 04:27:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 04:27:47,286 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 139 [2024-11-14 04:27:47,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:47,289 INFO L225 Difference]: With dead ends: 168 [2024-11-14 04:27:47,289 INFO L226 Difference]: Without dead ends: 113 [2024-11-14 04:27:47,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 812 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2024-11-14 04:27:47,291 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 136 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:47,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 240 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-14 04:27:47,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-14 04:27:47,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 102. [2024-11-14 04:27:47,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.1071428571428572) internal successors, (62), 57 states have internal predecessors, (62), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:27:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 142 transitions. [2024-11-14 04:27:47,321 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 142 transitions. Word has length 139 [2024-11-14 04:27:47,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:47,322 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 142 transitions. [2024-11-14 04:27:47,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-14 04:27:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2024-11-14 04:27:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 04:27:47,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:47,325 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:27:47,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:27:47,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:27:47,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:27:47,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:27:47,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:47,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:47,927 INFO L85 PathProgramCache]: Analyzing trace with hash -645406319, now seen corresponding path program 1 times [2024-11-14 04:27:47,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:47,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897464744] [2024-11-14 04:27:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:47,928 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 04:27:47,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:47,930 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/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 04:27:47,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a48177f-9807-42da-b21b-9a06c2aff049/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:27:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:48,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 04:27:48,421 INFO L278 TraceCheckSpWp]: Computing forward predicates...