./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.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_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 9933437b0126f19d2b07775387d6f9b8ed254522e0b90d315e6d113e1084c26a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:04:48,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:04:48,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:04:48,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:04:48,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:04:48,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:04:48,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:04:48,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:04:48,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:04:48,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:04:48,592 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:04:48,592 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:04:48,592 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:04:48,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:04:48,592 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:04:48,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:04:48,593 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:04:48,593 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:04:48,593 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:04:48,593 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:04:48,593 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:04:48,593 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:04:48,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:04:48,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:04:48,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:04:48,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:04:48,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:04:48,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:04:48,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:04:48,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:04:48,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:04:48,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:04:48,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:48,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:04:48,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:04:48,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:04:48,597 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:04:48,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:04:48,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:04:48,597 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:04:48,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:04:48,597 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_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 -> 9933437b0126f19d2b07775387d6f9b8ed254522e0b90d315e6d113e1084c26a [2024-11-14 04:04:48,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:04:48,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:04:48,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:04:48,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:04:48,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:04:48,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i Unable to find full path for "g++" [2024-11-14 04:04:50,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:04:51,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:04:51,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i [2024-11-14 04:04:51,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data/84bd0a323/63d46180f32e49d8b7dff97629e0deed/FLAG540736046 [2024-11-14 04:04:51,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data/84bd0a323/63d46180f32e49d8b7dff97629e0deed [2024-11-14 04:04:51,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:04:51,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:04:51,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:04:51,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:04:51,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:04:51,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b591a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51, skipping insertion in model container [2024-11-14 04:04:51,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:04:51,571 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_5f17a8e2-2c6d-4136-8a71-08116eadf261/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i[919,932] [2024-11-14 04:04:51,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:04:51,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:04:51,680 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_5f17a8e2-2c6d-4136-8a71-08116eadf261/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i[919,932] [2024-11-14 04:04:51,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:04:51,741 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:04:51,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51 WrapperNode [2024-11-14 04:04:51,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:04:51,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:04:51,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:04:51,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:04:51,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,825 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2024-11-14 04:04:51,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:04:51,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:04:51,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:04:51,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:04:51,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:04:51,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:04:51,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:04:51,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:04:51,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (1/1) ... [2024-11-14 04:04:51,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:51,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:51,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:04:51,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:04:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:04:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:04:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:04:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:04:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:04:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:04:52,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:04:52,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:04:52,597 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:04:52,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:04:52,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:04:52,885 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:04:52,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:52 BoogieIcfgContainer [2024-11-14 04:04:52,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:04:52,888 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:04:52,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:04:52,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:04:52,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:04:51" (1/3) ... [2024-11-14 04:04:52,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221c5635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:04:52, skipping insertion in model container [2024-11-14 04:04:52,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:04:51" (2/3) ... [2024-11-14 04:04:52,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221c5635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:04:52, skipping insertion in model container [2024-11-14 04:04:52,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:52" (3/3) ... [2024-11-14 04:04:52,899 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i [2024-11-14 04:04:52,917 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:04:52,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:04:52,991 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:04:53,005 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;@d610d80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:04:53,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:04:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:04:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-14 04:04:53,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:53,020 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:53,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:04:53,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:53,026 INFO L85 PathProgramCache]: Analyzing trace with hash -490338572, now seen corresponding path program 1 times [2024-11-14 04:04:53,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:04:53,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054731677] [2024-11-14 04:04:53,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:04:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:04:53,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799564989] [2024-11-14 04:04:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:53,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:04:53,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:53,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:04:53,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:04:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:04:53,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:04:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:04:54,204 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:04:54,206 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:04:54,208 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:04:54,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:04:54,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:04:54,420 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:04:54,601 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:04:54,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:04:54 BoogieIcfgContainer [2024-11-14 04:04:54,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:04:54,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:04:54,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:04:54,613 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:04:54,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:04:52" (3/4) ... [2024-11-14 04:04:54,616 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:04:54,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:04:54,619 INFO L158 Benchmark]: Toolchain (without parser) took 3256.56ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 88.6MB in the end (delta: 30.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-14 04:04:54,619 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:54,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.57ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:04:54,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.56ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 99.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:54,624 INFO L158 Benchmark]: Boogie Preprocessor took 43.20ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:54,624 INFO L158 Benchmark]: RCFGBuilder took 1015.92ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 89.3MB in the end (delta: 8.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-14 04:04:54,625 INFO L158 Benchmark]: TraceAbstraction took 1723.14ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 89.4MB in the end (delta: -741.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:54,625 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.6MB in the end (delta: 787.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:04:54,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.57ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.56ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 99.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.20ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1015.92ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 89.3MB in the end (delta: 8.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1723.14ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 89.4MB in the end (delta: -741.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.6MB in the end (delta: 787.3kB). 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 shiftRight at line 69, overapproximation of someBinaryArithmeticDOUBLEoperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 175, overapproximation of someBinaryFLOATComparisonOperation at line 176, overapproximation of bitwiseAnd at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 164, overapproximation of someBinaryDOUBLEComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_8 = 32; [L25] signed long int var_1_9 = -16; [L26] unsigned short int var_1_10 = 5; [L27] unsigned char var_1_12 = 32; [L28] unsigned char var_1_13 = 1; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] double var_1_16 = 63.75; [L32] double var_1_17 = 8.5; [L33] signed short int var_1_18 = -64; [L34] unsigned char var_1_19 = 32; [L35] signed short int var_1_24 = -1; [L36] signed short int var_1_25 = 2; [L37] unsigned char var_1_26 = 100; [L38] unsigned char var_1_29 = 128; [L39] unsigned char var_1_30 = 64; [L40] signed char var_1_31 = -1; [L41] unsigned short int var_1_32 = 100; [L42] unsigned long int var_1_33 = 0; [L43] float var_1_36 = 16.8; [L44] signed char var_1_38 = 0; [L45] signed long int var_1_39 = -4; [L46] unsigned short int var_1_40 = 256; [L47] signed long int last_1_var_1_1 = 32; [L48] unsigned char last_1_var_1_12 = 32; [L49] signed short int last_1_var_1_18 = -64; [L188] isInitial = 1 [L189] FCALL initially() [L190] COND TRUE 1 [L191] CALL updateLastVariables() [L179] last_1_var_1_1 = var_1_1 [L180] last_1_var_1_12 = var_1_12 [L181] last_1_var_1_18 = var_1_18 [L191] RET updateLastVariables() [L192] CALL updateVariables() [L147] var_1_4 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L149] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L150] var_1_9 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L152] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L153] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L154] var_1_10 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L156] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L157] var_1_13 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L159] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L160] var_1_15 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L162] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L163] var_1_17 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L165] var_1_25 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L167] CALL assume_abort_if_not(var_1_25 <= 9) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_25 <= 9) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L168] var_1_29 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_29 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_29 >= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L170] CALL assume_abort_if_not(var_1_29 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_29 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L171] var_1_30 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_30 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_30 >= 63) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L173] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L174] var_1_36 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L176] CALL assume_abort_if_not(var_1_36 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_36 != 0.0F) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=32, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L192] RET updateVariables() [L193] CALL step() [L53] signed long int stepLocal_1 = last_1_var_1_18; [L54] signed long int stepLocal_0 = last_1_var_1_18; [L55] COND FALSE !(stepLocal_1 >= (last_1_var_1_18 / var_1_9)) [L62] var_1_8 = last_1_var_1_12 [L64] COND FALSE !(var_1_15 && var_1_15) [L67] var_1_38 = var_1_25 [L68] var_1_18 = var_1_8 [L69] EXPR var_1_9 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))) [L69] COND FALSE !(((((var_1_8) < (25)) ? (var_1_8) : (25))) > (var_1_9 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))))) [L76] COND TRUE var_1_10 < var_1_18 [L77] COND FALSE !(last_1_var_1_12 <= (5 - last_1_var_1_12)) [L80] COND TRUE last_1_var_1_12 == var_1_8 [L81] var_1_12 = var_1_13 [L87] unsigned short int stepLocal_2 = var_1_8; [L88] COND FALSE !(stepLocal_2 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) [L99] COND FALSE !(var_1_13 > var_1_18) [L104] COND TRUE var_1_18 != var_1_12 [L105] COND FALSE !(\read(var_1_14)) [L109] var_1_39 = var_1_30 [L110] var_1_40 = var_1_30 [L111] COND FALSE !(\read(var_1_14)) [L118] COND FALSE !(\read(var_1_14)) [L121] var_1_16 = var_1_17 [L124] EXPR var_1_12 & var_1_12 [L124] COND TRUE (var_1_12 & var_1_12) >= var_1_12 [L125] var_1_19 = var_1_13 [L127] COND FALSE !(\read(var_1_15)) [L132] COND FALSE !(var_1_15 && var_1_14) [L141] COND FALSE !(\read(var_1_14)) [L193] RET step() [L194] CALL, EXPR property() [L184-L185] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8)) ; [L194] RET, EXPR property() [L194] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=256, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=256, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=-65536, var_1_12=256, var_1_13=256, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=256, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 20, 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=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 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 04:04:54,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 9933437b0126f19d2b07775387d6f9b8ed254522e0b90d315e6d113e1084c26a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:04:57,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:04:57,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:04:57,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:04:57,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:04:57,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:04:57,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:04:57,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:04:57,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:04:57,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:04:57,751 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:04:57,752 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:04:57,752 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:04:57,752 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:04:57,752 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:04:57,752 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:04:57,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:04:57,753 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:04:57,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:04:57,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:04:57,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:04:57,761 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:04:57,761 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_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 -> 9933437b0126f19d2b07775387d6f9b8ed254522e0b90d315e6d113e1084c26a [2024-11-14 04:04:58,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:04:58,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:04:58,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:04:58,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:04:58,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:04:58,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i Unable to find full path for "g++" [2024-11-14 04:05:00,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:05:00,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:05:00,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i [2024-11-14 04:05:00,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data/a8f7163fb/3c5effbeb4cf4226b022a8385f79544b/FLAG4a782961a [2024-11-14 04:05:00,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/data/a8f7163fb/3c5effbeb4cf4226b022a8385f79544b [2024-11-14 04:05:00,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:05:00,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:05:00,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:05:00,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:05:00,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:05:00,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:00,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb1799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00, skipping insertion in model container [2024-11-14 04:05:00,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:00,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:05:00,739 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_5f17a8e2-2c6d-4136-8a71-08116eadf261/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i[919,932] [2024-11-14 04:05:00,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:05:00,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:05:00,894 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_5f17a8e2-2c6d-4136-8a71-08116eadf261/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i[919,932] [2024-11-14 04:05:00,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:05:00,982 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:05:00,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00 WrapperNode [2024-11-14 04:05:00,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:05:00,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:05:00,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:05:00,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:05:00,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,058 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-14 04:05:01,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:05:01,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:05:01,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:05:01,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:05:01,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:05:01,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:05:01,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:05:01,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:05:01,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (1/1) ... [2024-11-14 04:05:01,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:05:01,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:05:01,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:05:01,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:05:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:05:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:05:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:05:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:05:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:05:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:05:01,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:05:01,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:05:06,522 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:05:06,523 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:05:06,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:05:06,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:05:06,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:05:06 BoogieIcfgContainer [2024-11-14 04:05:06,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:05:06,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:05:06,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:05:06,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:05:06,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:05:00" (1/3) ... [2024-11-14 04:05:06,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d3e527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:05:06, skipping insertion in model container [2024-11-14 04:05:06,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:05:00" (2/3) ... [2024-11-14 04:05:06,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d3e527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:05:06, skipping insertion in model container [2024-11-14 04:05:06,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:05:06" (3/3) ... [2024-11-14 04:05:06,549 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i [2024-11-14 04:05:06,563 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:05:06,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-89.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:05:06,632 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:05:06,663 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;@95a7bed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:05:06,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:05:06,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:05:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:05:06,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:06,685 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:06,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:05:06,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1373671638, now seen corresponding path program 1 times [2024-11-14 04:05:06,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:05:06,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106765566] [2024-11-14 04:05:06,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:06,705 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 04:05:06,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:05:06,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:06,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:07,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:05:07,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:05:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-14 04:05:07,139 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:05:07,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:05:07,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106765566] [2024-11-14 04:05:07,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106765566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:05:07,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:05:07,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:05:07,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300176184] [2024-11-14 04:05:07,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:05:07,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:05:07,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:05:07,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:05:07,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:05:07,170 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:05:07,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:05:07,203 INFO L93 Difference]: Finished difference Result 147 states and 262 transitions. [2024-11-14 04:05:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:05:07,205 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2024-11-14 04:05:07,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:05:07,213 INFO L225 Difference]: With dead ends: 147 [2024-11-14 04:05:07,213 INFO L226 Difference]: Without dead ends: 73 [2024-11-14 04:05:07,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 04:05:07,223 INFO L432 NwaCegarLoop]: 116 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, 116 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 04:05:07,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:05:07,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-14 04:05:07,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-14 04:05:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 51 states have internal predecessors, (76), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:05:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2024-11-14 04:05:07,283 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 135 [2024-11-14 04:05:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:05:07,284 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2024-11-14 04:05:07,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:05:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2024-11-14 04:05:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:05:07,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:07,293 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:07,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:05:07,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:07,494 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:05:07,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1689412138, now seen corresponding path program 1 times [2024-11-14 04:05:07,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:05:07,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249136667] [2024-11-14 04:05:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:07,497 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 04:05:07,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:05:07,499 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:07,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:07,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:05:07,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:05:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-14 04:05:09,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:05:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 04:05:10,443 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:05:10,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249136667] [2024-11-14 04:05:10,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249136667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:05:10,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1680696560] [2024-11-14 04:05:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:10,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:05:10,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:05:10,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:05:10,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:05:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:10,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:05:10,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:05:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:05:11,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:05:11,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1680696560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:05:11,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:05:11,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2024-11-14 04:05:11,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103395553] [2024-11-14 04:05:11,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:05:11,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:05:11,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:05:11,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:05:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:05:11,047 INFO L87 Difference]: Start difference. First operand 73 states and 116 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:05:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:05:11,365 INFO L93 Difference]: Finished difference Result 209 states and 334 transitions. [2024-11-14 04:05:11,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:05:11,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2024-11-14 04:05:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:05:11,370 INFO L225 Difference]: With dead ends: 209 [2024-11-14 04:05:11,370 INFO L226 Difference]: Without dead ends: 139 [2024-11-14 04:05:11,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:05:11,372 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 97 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:05:11,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 208 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:05:11,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-14 04:05:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2024-11-14 04:05:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 92 states have (on average 1.423913043478261) internal successors, (131), 92 states have internal predecessors, (131), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:05:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 211 transitions. [2024-11-14 04:05:11,412 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 211 transitions. Word has length 135 [2024-11-14 04:05:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:05:11,414 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 211 transitions. [2024-11-14 04:05:11,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:05:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2024-11-14 04:05:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:05:11,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:11,417 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:11,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:05:11,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:05:11,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:05:11,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:05:11,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:11,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1007506726, now seen corresponding path program 1 times [2024-11-14 04:05:11,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:05:11,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948896276] [2024-11-14 04:05:11,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:11,821 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 04:05:11,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:05:11,824 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 04:05:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:12,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:05:12,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:05:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-14 04:05:13,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:05:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-14 04:05:14,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:05:14,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948896276] [2024-11-14 04:05:14,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948896276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:05:14,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [747259646] [2024-11-14 04:05:14,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:14,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:05:14,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:05:14,636 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:05:14,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 04:05:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:15,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:05:15,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:05:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:05:15,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:05:15,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [747259646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:05:15,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:05:15,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2024-11-14 04:05:15,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137326317] [2024-11-14 04:05:15,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:05:15,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:05:15,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:05:15,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:05:15,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:05:15,341 INFO L87 Difference]: Start difference. First operand 135 states and 211 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:05:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:05:15,786 INFO L93 Difference]: Finished difference Result 355 states and 551 transitions. [2024-11-14 04:05:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:05:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2024-11-14 04:05:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:05:15,794 INFO L225 Difference]: With dead ends: 355 [2024-11-14 04:05:15,794 INFO L226 Difference]: Without dead ends: 223 [2024-11-14 04:05:15,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:05:15,796 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 62 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:05:15,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 237 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:05:15,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-14 04:05:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2024-11-14 04:05:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 156 states have (on average 1.4102564102564104) internal successors, (220), 158 states have internal predecessors, (220), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-14 04:05:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 336 transitions. [2024-11-14 04:05:15,866 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 336 transitions. Word has length 135 [2024-11-14 04:05:15,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:05:15,867 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 336 transitions. [2024-11-14 04:05:15,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:05:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 336 transitions. [2024-11-14 04:05:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:05:15,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:15,872 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:15,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:05:16,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:05:16,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:16,277 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:05:16,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:16,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1598516828, now seen corresponding path program 1 times [2024-11-14 04:05:16,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:05:16,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436367013] [2024-11-14 04:05:16,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:16,281 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 04:05:16,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:05:16,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/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 04:05:16,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f17a8e2-2c6d-4136-8a71-08116eadf261/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 04:05:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:16,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:05:16,578 INFO L278 TraceCheckSpWp]: Computing forward predicates...