./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:02:40,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:02:40,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 02:02:40,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:02:40,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:02:40,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:02:40,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:02:40,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:02:40,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:02:40,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:02:40,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:02:40,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:02:40,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:02:40,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:02:40,400 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:02:40,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:02:40,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:02:40,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:02:40,402 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:40,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:02:40,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:40,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:02:40,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:02:40,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:02:40,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:02:40,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:02:40,404 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 [2024-11-24 02:02:40,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:02:40,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:02:40,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:02:40,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:02:40,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:02:40,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i [2024-11-24 02:02:43,871 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/d93f5a802/bd26957108e041dfb6632eea04244764/FLAG5aa4ded4b [2024-11-24 02:02:44,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:02:44,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i [2024-11-24 02:02:44,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/d93f5a802/bd26957108e041dfb6632eea04244764/FLAG5aa4ded4b [2024-11-24 02:02:44,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/d93f5a802/bd26957108e041dfb6632eea04244764 [2024-11-24 02:02:44,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:02:44,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:02:44,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:44,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:02:44,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:02:44,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64101518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44, skipping insertion in model container [2024-11-24 02:02:44,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:02:44,504 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_87c75de4-f758-4c73-a619-ac2759c9c778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i[913,926] [2024-11-24 02:02:44,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:44,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:02:44,629 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_87c75de4-f758-4c73-a619-ac2759c9c778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i[913,926] [2024-11-24 02:02:44,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:44,685 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:02:44,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44 WrapperNode [2024-11-24 02:02:44,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:44,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:44,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:02:44,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:02:44,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,747 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-11-24 02:02:44,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:44,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:02:44,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:02:44,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:02:44,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,786 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:02:44,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,793 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:02:44,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:02:44,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:02:44,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:02:44,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (1/1) ... [2024-11-24 02:02:44,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:44,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:44,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:02:44,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:02:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:02:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:02:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:02:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:02:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:02:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:02:44,983 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:02:44,985 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:02:45,311 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 02:02:45,311 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:02:45,325 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:02:45,326 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:02:45,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:45 BoogieIcfgContainer [2024-11-24 02:02:45,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:02:45,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:02:45,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:02:45,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:02:45,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:02:44" (1/3) ... [2024-11-24 02:02:45,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4139af69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:02:45, skipping insertion in model container [2024-11-24 02:02:45,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:44" (2/3) ... [2024-11-24 02:02:45,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4139af69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:02:45, skipping insertion in model container [2024-11-24 02:02:45,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:45" (3/3) ... [2024-11-24 02:02:45,338 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-51.i [2024-11-24 02:02:45,355 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:02:45,359 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-51.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:02:45,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:02:45,471 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=PETRI_NET, 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;@14f17fe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:02:45,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:02:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 02:02:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 02:02:45,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:45,495 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:45,495 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:45,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:45,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1740960990, now seen corresponding path program 1 times [2024-11-24 02:02:45,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:45,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654003879] [2024-11-24 02:02:45,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:45,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 02:02:45,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654003879] [2024-11-24 02:02:45,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654003879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:45,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212229716] [2024-11-24 02:02:45,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:45,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:45,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:45,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:02:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:46,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:02:46,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 02:02:46,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212229716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:46,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:02:46,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 02:02:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035462618] [2024-11-24 02:02:46,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:46,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:02:46,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:46,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:02:46,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:02:46,315 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:02:46,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:46,349 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2024-11-24 02:02:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:02:46,351 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-24 02:02:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:46,358 INFO L225 Difference]: With dead ends: 127 [2024-11-24 02:02:46,358 INFO L226 Difference]: Without dead ends: 63 [2024-11-24 02:02:46,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:02:46,365 INFO L435 NwaCegarLoop]: 95 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, 95 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 [2024-11-24 02:02:46,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:46,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-24 02:02:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-24 02:02:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 02:02:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-24 02:02:46,409 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 135 [2024-11-24 02:02:46,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:46,409 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-24 02:02:46,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:02:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-24 02:02:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 02:02:46,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:46,415 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:46,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:02:46,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 02:02:46,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:46,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:46,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1440285028, now seen corresponding path program 1 times [2024-11-24 02:02:46,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:46,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565373135] [2024-11-24 02:02:46,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:46,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:02:47,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:47,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565373135] [2024-11-24 02:02:47,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565373135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:47,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:47,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:47,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526091408] [2024-11-24 02:02:47,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:47,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:47,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:47,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:47,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:47,342 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:02:47,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:47,637 INFO L93 Difference]: Finished difference Result 184 states and 280 transitions. [2024-11-24 02:02:47,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:47,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-24 02:02:47,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:47,641 INFO L225 Difference]: With dead ends: 184 [2024-11-24 02:02:47,645 INFO L226 Difference]: Without dead ends: 124 [2024-11-24 02:02:47,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:47,647 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 71 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:47,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 261 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:02:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-24 02:02:47,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-11-24 02:02:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-24 02:02:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions. [2024-11-24 02:02:47,715 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 135 [2024-11-24 02:02:47,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:47,717 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions. [2024-11-24 02:02:47,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:02:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2024-11-24 02:02:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 02:02:47,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:47,721 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:47,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:02:47,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:47,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:47,722 INFO L85 PathProgramCache]: Analyzing trace with hash -810717471, now seen corresponding path program 1 times [2024-11-24 02:02:47,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:47,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315502516] [2024-11-24 02:02:47,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:47,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:02:48,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:48,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315502516] [2024-11-24 02:02:48,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315502516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:48,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:48,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:48,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576333229] [2024-11-24 02:02:48,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:48,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:48,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:48,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:48,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:48,514 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:02:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:48,902 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-11-24 02:02:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:48,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-24 02:02:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:48,906 INFO L225 Difference]: With dead ends: 230 [2024-11-24 02:02:48,908 INFO L226 Difference]: Without dead ends: 170 [2024-11-24 02:02:48,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:48,912 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:48,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 318 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:02:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-24 02:02:48,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-11-24 02:02:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:02:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 245 transitions. [2024-11-24 02:02:48,974 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 245 transitions. Word has length 136 [2024-11-24 02:02:48,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:48,975 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 245 transitions. [2024-11-24 02:02:48,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:02:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2024-11-24 02:02:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 02:02:48,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:48,981 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:48,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:02:48,982 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:48,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:48,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1205819797, now seen corresponding path program 1 times [2024-11-24 02:02:48,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:48,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556945567] [2024-11-24 02:02:48,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:48,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:02:49,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:49,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556945567] [2024-11-24 02:02:49,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556945567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:49,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:49,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:49,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923372881] [2024-11-24 02:02:49,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:49,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:49,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:49,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:49,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:49,405 INFO L87 Difference]: Start difference. First operand 161 states and 245 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:02:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:49,727 INFO L93 Difference]: Finished difference Result 397 states and 609 transitions. [2024-11-24 02:02:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:02:49,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-24 02:02:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:49,735 INFO L225 Difference]: With dead ends: 397 [2024-11-24 02:02:49,735 INFO L226 Difference]: Without dead ends: 279 [2024-11-24 02:02:49,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:49,737 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 77 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:49,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 244 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:02:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-24 02:02:49,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 277. [2024-11-24 02:02:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 166 states have internal predecessors, (214), 105 states have call successors, (105), 5 states have call predecessors, (105), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-24 02:02:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 424 transitions. [2024-11-24 02:02:49,886 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 424 transitions. Word has length 137 [2024-11-24 02:02:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:49,887 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 424 transitions. [2024-11-24 02:02:49,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:02:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 424 transitions. [2024-11-24 02:02:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 02:02:49,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:49,891 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:49,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:02:49,892 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:49,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:49,893 INFO L85 PathProgramCache]: Analyzing trace with hash 812792787, now seen corresponding path program 1 times [2024-11-24 02:02:49,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:49,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434401434] [2024-11-24 02:02:49,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:49,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:02:50,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:50,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434401434] [2024-11-24 02:02:50,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434401434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:50,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:50,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:02:50,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364042672] [2024-11-24 02:02:50,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:50,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:02:50,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:50,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:02:50,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:02:50,213 INFO L87 Difference]: Start difference. First operand 277 states and 424 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:02:50,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:50,308 INFO L93 Difference]: Finished difference Result 521 states and 802 transitions. [2024-11-24 02:02:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:02:50,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2024-11-24 02:02:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:50,316 INFO L225 Difference]: With dead ends: 521 [2024-11-24 02:02:50,317 INFO L226 Difference]: Without dead ends: 287 [2024-11-24 02:02:50,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:02:50,320 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:50,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:50,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-24 02:02:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 277. [2024-11-24 02:02:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 166 states have (on average 1.2650602409638554) internal successors, (210), 166 states have internal predecessors, (210), 105 states have call successors, (105), 5 states have call predecessors, (105), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-24 02:02:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 420 transitions. [2024-11-24 02:02:50,432 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 420 transitions. Word has length 137 [2024-11-24 02:02:50,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:50,432 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 420 transitions. [2024-11-24 02:02:50,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:02:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 420 transitions. [2024-11-24 02:02:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 02:02:50,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:50,435 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:50,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:02:50,436 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:50,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:50,437 INFO L85 PathProgramCache]: Analyzing trace with hash 463284182, now seen corresponding path program 1 times [2024-11-24 02:02:50,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:50,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718108947] [2024-11-24 02:02:50,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:50,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 02:02:50,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:50,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718108947] [2024-11-24 02:02:50,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718108947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:50,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432736439] [2024-11-24 02:02:50,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:50,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:50,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:50,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:02:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:50,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:02:50,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-24 02:02:51,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:02:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 02:02:51,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432736439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:02:51,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:02:51,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-24 02:02:51,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44636933] [2024-11-24 02:02:51,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:02:51,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:51,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:51,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:51,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:51,605 INFO L87 Difference]: Start difference. First operand 277 states and 420 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-24 02:02:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:51,924 INFO L93 Difference]: Finished difference Result 425 states and 625 transitions. [2024-11-24 02:02:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:02:51,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 138 [2024-11-24 02:02:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:51,931 INFO L225 Difference]: With dead ends: 425 [2024-11-24 02:02:51,931 INFO L226 Difference]: Without dead ends: 307 [2024-11-24 02:02:51,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:02:51,933 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 75 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:51,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 152 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:02:51,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-24 02:02:51,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 173. [2024-11-24 02:02:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:02:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 250 transitions. [2024-11-24 02:02:52,001 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 250 transitions. Word has length 138 [2024-11-24 02:02:52,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:52,002 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 250 transitions. [2024-11-24 02:02:52,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-24 02:02:52,002 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 250 transitions. [2024-11-24 02:02:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 02:02:52,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:52,005 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:52,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 02:02:52,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 02:02:52,209 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:52,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:52,210 INFO L85 PathProgramCache]: Analyzing trace with hash 70257172, now seen corresponding path program 1 times [2024-11-24 02:02:52,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:52,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770460521] [2024-11-24 02:02:52,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:52,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 02:02:52,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:52,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770460521] [2024-11-24 02:02:52,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770460521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:52,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278081757] [2024-11-24 02:02:52,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:52,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:52,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:52,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:52,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 02:02:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:52,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 02:02:52,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-24 02:02:52,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:02:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 02:02:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278081757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:02:53,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:02:53,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-24 02:02:53,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647692972] [2024-11-24 02:02:53,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:02:53,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:02:53,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:53,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:02:53,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:02:53,127 INFO L87 Difference]: Start difference. First operand 173 states and 250 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 02:02:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:53,870 INFO L93 Difference]: Finished difference Result 347 states and 486 transitions. [2024-11-24 02:02:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 02:02:53,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 138 [2024-11-24 02:02:53,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:53,873 INFO L225 Difference]: With dead ends: 347 [2024-11-24 02:02:53,873 INFO L226 Difference]: Without dead ends: 283 [2024-11-24 02:02:53,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:02:53,876 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 113 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:53,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 317 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:02:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-24 02:02:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 191. [2024-11-24 02:02:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 118 states have internal predecessors, (139), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:02:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 265 transitions. [2024-11-24 02:02:53,961 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 265 transitions. Word has length 138 [2024-11-24 02:02:53,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:53,962 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 265 transitions. [2024-11-24 02:02:53,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 02:02:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2024-11-24 02:02:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 02:02:53,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:53,965 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:53,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 02:02:54,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-24 02:02:54,166 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:02:54,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:54,167 INFO L85 PathProgramCache]: Analyzing trace with hash -2061646100, now seen corresponding path program 1 times [2024-11-24 02:02:54,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:54,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984444185] [2024-11-24 02:02:54,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:54,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:54,279 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:02:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:54,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:02:54,460 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:02:54,462 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:02:54,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:02:54,467 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:54,626 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:02:54,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:02:54 BoogieIcfgContainer [2024-11-24 02:02:54,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:02:54,633 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:02:54,633 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:02:54,633 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:02:54,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:45" (3/4) ... [2024-11-24 02:02:54,638 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:02:54,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:02:54,640 INFO L158 Benchmark]: Toolchain (without parser) took 10366.88ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 103.6MB in the beginning and 238.5MB in the end (delta: -134.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-24 02:02:54,640 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:02:54,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.96ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 89.8MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:02:54,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.12ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:02:54,641 INFO L158 Benchmark]: Boogie Preprocessor took 62.46ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 84.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:02:54,641 INFO L158 Benchmark]: RCFGBuilder took 515.26ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 65.5MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:02:54,641 INFO L158 Benchmark]: TraceAbstraction took 9303.40ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.7MB in the beginning and 238.6MB in the end (delta: -173.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-24 02:02:54,641 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 343.9MB. Free memory was 238.6MB in the beginning and 238.5MB in the end (delta: 106.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:02:54,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.96ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 89.8MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.12ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.46ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 84.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.26ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 65.5MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9303.40ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.7MB in the beginning and 238.6MB in the end (delta: -173.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 343.9MB. Free memory was 238.6MB in the beginning and 238.5MB in the end (delta: 106.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 141, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] double var_1_4 = 32.3; [L24] double var_1_5 = 0.25; [L25] unsigned char var_1_7 = 2; [L26] signed char var_1_8 = -10; [L27] signed char var_1_9 = 5; [L28] signed char var_1_10 = 4; [L29] signed char var_1_11 = 100; [L30] unsigned long int var_1_12 = 8; [L31] unsigned char var_1_13 = 0; [L32] unsigned long int var_1_15 = 1114432789; [L33] double var_1_17 = 256.8; [L34] double var_1_18 = 1.25; [L35] unsigned long int var_1_19 = 16; [L36] unsigned char var_1_21 = 1; [L37] double var_1_22 = -0.5; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char last_1_var_1_1 = 128; [L41] unsigned long int last_1_var_1_12 = 8; [L42] double last_1_var_1_17 = 256.8; [L43] unsigned char last_1_var_1_21 = 1; VAL [isInitial=0, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L145] isInitial = 1 [L146] FCALL initially() [L148] CALL updateLastVariables() [L135] last_1_var_1_1 = var_1_1 [L136] last_1_var_1_12 = var_1_12 [L137] last_1_var_1_17 = var_1_17 [L138] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L148] RET updateLastVariables() [L149] CALL updateVariables() [L100] var_1_4 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L101] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L102] var_1_5 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L104] var_1_7 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L105] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L106] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L106] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L107] var_1_9 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L108] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L109] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L109] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L110] var_1_10 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L111] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L112] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L112] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L113] var_1_11 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L114] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L115] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L115] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L116] var_1_13 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L117] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L118] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L118] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L119] var_1_15 = __VERIFIER_nondet_ulong() [L120] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L120] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L121] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L121] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L122] var_1_18 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L123] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L124] var_1_22 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L125] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L126] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L126] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L127] var_1_23 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L129] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L129] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L130] var_1_24 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L131] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L132] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L132] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L149] RET updateVariables() [L150] CALL step() [L47] unsigned char stepLocal_3 = ((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_3=0, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L48] COND TRUE last_1_var_1_21 || stepLocal_3 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L49] COND TRUE var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17))) [L50] var_1_19 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L57] unsigned long int stepLocal_1 = last_1_var_1_12; [L58] unsigned long int stepLocal_0 = 32u; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_0=32, stepLocal_1=8, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L59] COND TRUE stepLocal_0 >= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_1=8, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L60] COND TRUE stepLocal_1 <= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L61] COND TRUE (var_1_4 - var_1_5) >= last_1_var_1_17 [L62] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L68] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L71] COND TRUE ! (var_1_17 > var_1_5) [L72] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L76] unsigned long int stepLocal_4 = var_1_19; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L77] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L88] var_1_21 = var_1_23 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L90] unsigned char stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_2=-256, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L91] COND FALSE !(var_1_21 && stepLocal_2) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L94] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return ((((((32u >= last_1_var_1_12) ? ((last_1_var_1_12 <= last_1_var_1_12) ? (((var_1_4 - var_1_5) >= last_1_var_1_17) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_17 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_21 && var_1_21) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_21 ? (var_1_12 == ((unsigned long int) (((((var_1_19) > ((var_1_11 + var_1_7))) ? (var_1_19) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_1)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18)) ? ((var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_19 == ((unsigned long int) last_1_var_1_1)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) last_1_var_1_1)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_1 < var_1_19) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 8, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 435 mSDsluCounter, 1580 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 926 mSDsCounter, 259 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 562 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 259 mSolverCounterUnsat, 654 mSDtfsCounter, 562 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 697 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 268 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1506 NumberOfCodeBlocks, 1506 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1631 ConstructedInterpolants, 0 QuantifiedInterpolants, 3267 SizeOfPredicates, 5 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 9914/10080 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 02:02:54,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:02:57,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:02:57,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 02:02:57,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:02:57,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:02:57,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:02:57,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:02:57,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:02:57,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:02:57,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:02:57,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:02:57,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:02:57,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:02:57,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:02:57,975 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:02:57,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:02:57,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:02:57,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:02:57,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:02:57,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:02:57,977 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:57,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:57,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:57,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:02:57,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:02:57,978 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:02:57,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:02:57,980 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 02:02:57,980 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 02:02:57,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:02:57,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:02:57,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:02:57,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:02:57,981 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> 4703bfd85786444b7063ad726d04e3dbfe77bfd14c478aa800342006bdde0646 [2024-11-24 02:02:58,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:02:58,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:02:58,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:02:58,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:02:58,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:02:58,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i [2024-11-24 02:03:01,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/8f1776bcc/7fbc8dd421ca4e6ea827ed82548c6149/FLAGdaf1173d1 [2024-11-24 02:03:01,877 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:03:01,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i [2024-11-24 02:03:01,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/8f1776bcc/7fbc8dd421ca4e6ea827ed82548c6149/FLAGdaf1173d1 [2024-11-24 02:03:01,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/data/8f1776bcc/7fbc8dd421ca4e6ea827ed82548c6149 [2024-11-24 02:03:01,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:03:01,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:03:01,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:03:01,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:03:01,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:03:01,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:03:01" (1/1) ... [2024-11-24 02:03:01,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2619a147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:01, skipping insertion in model container [2024-11-24 02:03:01,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:03:01" (1/1) ... [2024-11-24 02:03:01,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:03:02,145 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_87c75de4-f758-4c73-a619-ac2759c9c778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i[913,926] [2024-11-24 02:03:02,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:03:02,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:03:02,274 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_87c75de4-f758-4c73-a619-ac2759c9c778/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-51.i[913,926] [2024-11-24 02:03:02,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:03:02,326 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:03:02,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02 WrapperNode [2024-11-24 02:03:02,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:03:02,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:03:02,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:03:02,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:03:02,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,376 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-24 02:03:02,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:03:02,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:03:02,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:03:02,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:03:02,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,395 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,410 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:03:02,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:03:02,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:03:02,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:03:02,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:03:02,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (1/1) ... [2024-11-24 02:03:02,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:02,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:02,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:02,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 02:03:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:03:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:03:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:03:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:03:02,607 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:03:02,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:03:15,675 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 02:03:15,675 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:03:15,686 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:03:15,686 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:03:15,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:03:15 BoogieIcfgContainer [2024-11-24 02:03:15,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:03:15,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:03:15,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:03:15,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:03:15,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:03:01" (1/3) ... [2024-11-24 02:03:15,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe3490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:03:15, skipping insertion in model container [2024-11-24 02:03:15,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:02" (2/3) ... [2024-11-24 02:03:15,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe3490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:03:15, skipping insertion in model container [2024-11-24 02:03:15,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:03:15" (3/3) ... [2024-11-24 02:03:15,696 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-51.i [2024-11-24 02:03:15,710 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:03:15,711 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-51.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:03:15,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:03:15,783 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=PETRI_NET, 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;@8d034cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:03:15,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:03:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 02:03:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 02:03:15,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:15,805 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:15,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:15,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:15,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1740960990, now seen corresponding path program 1 times [2024-11-24 02:03:15,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:15,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044760058] [2024-11-24 02:03:15,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:15,835 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 [2024-11-24 02:03:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:15,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:03:15,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:03:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:16,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:03:16,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-11-24 02:03:16,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:16,981 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044760058] [2024-11-24 02:03:16,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044760058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:16,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:16,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 02:03:16,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687038434] [2024-11-24 02:03:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:16,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:03:16,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:17,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:03:17,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:03:17,017 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:03:17,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:17,047 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2024-11-24 02:03:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:03:17,049 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-24 02:03:17,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:17,056 INFO L225 Difference]: With dead ends: 127 [2024-11-24 02:03:17,057 INFO L226 Difference]: Without dead ends: 63 [2024-11-24 02:03:17,060 INFO L434 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 [2024-11-24 02:03:17,063 INFO L435 NwaCegarLoop]: 95 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, 95 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 [2024-11-24 02:03:17,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-24 02:03:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-24 02:03:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 02:03:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-24 02:03:17,127 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 135 [2024-11-24 02:03:17,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:17,128 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-24 02:03:17,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:03:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-24 02:03:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 02:03:17,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:17,134 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:17,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 02:03:17,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:03:17,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:17,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:17,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1440285028, now seen corresponding path program 1 times [2024-11-24 02:03:17,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:17,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978173255] [2024-11-24 02:03:17,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:17,337 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 [2024-11-24 02:03:17,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:17,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:03:17,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:03:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:18,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 02:03:18,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:03:20,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:20,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:20,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978173255] [2024-11-24 02:03:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978173255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:20,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:20,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:03:20,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511314318] [2024-11-24 02:03:20,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:20,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:20,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:20,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:20,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:20,804 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:03:25,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:29,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:33,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:38,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:42,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:46,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:46,301 INFO L93 Difference]: Finished difference Result 184 states and 280 transitions. [2024-11-24 02:03:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:46,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-24 02:03:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:46,378 INFO L225 Difference]: With dead ends: 184 [2024-11-24 02:03:46,378 INFO L226 Difference]: Without dead ends: 124 [2024-11-24 02:03:46,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:46,380 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 43 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:46,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 262 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 25.4s Time] [2024-11-24 02:03:46,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-24 02:03:46,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-11-24 02:03:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-24 02:03:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions. [2024-11-24 02:03:46,420 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 135 [2024-11-24 02:03:46,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:46,421 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions. [2024-11-24 02:03:46,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:03:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2024-11-24 02:03:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 02:03:46,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:46,424 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:46,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:03:46,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:03:46,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:46,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:46,626 INFO L85 PathProgramCache]: Analyzing trace with hash -810717471, now seen corresponding path program 1 times [2024-11-24 02:03:46,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:03:46,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918657816] [2024-11-24 02:03:46,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:46,627 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 [2024-11-24 02:03:46,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:03:46,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:03:46,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 02:03:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:47,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:47,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:03:49,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:49,943 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:03:49,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918657816] [2024-11-24 02:03:49,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918657816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:49,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:49,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557855790] [2024-11-24 02:03:49,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:49,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:49,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:03:49,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:49,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:49,945 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:03:55,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:59,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:03,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:07,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:11,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:15,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:17,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:17,681 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-11-24 02:04:17,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:04:17,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-24 02:04:17,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:17,761 INFO L225 Difference]: With dead ends: 230 [2024-11-24 02:04:17,761 INFO L226 Difference]: Without dead ends: 170 [2024-11-24 02:04:17,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:04:17,766 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 78 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 43 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:17,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 319 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 66 Invalid, 6 Unknown, 0 Unchecked, 27.6s Time] [2024-11-24 02:04:17,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-24 02:04:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-11-24 02:04:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:04:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 245 transitions. [2024-11-24 02:04:17,819 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 245 transitions. Word has length 136 [2024-11-24 02:04:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:17,820 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 245 transitions. [2024-11-24 02:04:17,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:04:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2024-11-24 02:04:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 02:04:17,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:17,825 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:17,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-24 02:04:18,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:04:18,026 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:18,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:18,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1205819797, now seen corresponding path program 1 times [2024-11-24 02:04:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:18,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565991314] [2024-11-24 02:04:18,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:18,027 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 [2024-11-24 02:04:18,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:04:18,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:04:18,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:04:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:18,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:04:18,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 02:04:18,981 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:04:18,981 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:04:18,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565991314] [2024-11-24 02:04:18,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565991314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:18,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:18,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:04:18,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027505226] [2024-11-24 02:04:18,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:18,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:04:18,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:04:18,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:04:18,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:18,984 INFO L87 Difference]: Start difference. First operand 161 states and 245 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:04:23,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:27,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:31,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:31,547 INFO L93 Difference]: Finished difference Result 289 states and 444 transitions. [2024-11-24 02:04:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:04:31,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2024-11-24 02:04:31,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:31,657 INFO L225 Difference]: With dead ends: 289 [2024-11-24 02:04:31,657 INFO L226 Difference]: Without dead ends: 171 [2024-11-24 02:04:31,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:31,666 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:31,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2024-11-24 02:04:31,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-24 02:04:31,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 161. [2024-11-24 02:04:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2446808510638299) internal successors, (117), 94 states have internal predecessors, (117), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:04:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 243 transitions. [2024-11-24 02:04:31,776 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 243 transitions. Word has length 137 [2024-11-24 02:04:31,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:31,777 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 243 transitions. [2024-11-24 02:04:31,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 02:04:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 243 transitions. [2024-11-24 02:04:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 02:04:31,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:31,788 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:31,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-24 02:04:31,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:04:31,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:31,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:31,989 INFO L85 PathProgramCache]: Analyzing trace with hash 463284182, now seen corresponding path program 1 times [2024-11-24 02:04:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:31,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188465506] [2024-11-24 02:04:31,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:31,990 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 [2024-11-24 02:04:31,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:04:31,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:04:31,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 02:04:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:32,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:04:32,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-24 02:04:34,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:04:34,765 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:04:34,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188465506] [2024-11-24 02:04:34,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188465506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:04:34,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [145138071] [2024-11-24 02:04:34,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:04:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:04:34,772 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:04:34,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 02:04:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:36,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 02:04:36,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-24 02:04:37,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:04:38,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [145138071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:04:38,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:04:38,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-24 02:04:38,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707627477] [2024-11-24 02:04:38,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 02:04:38,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:04:38,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:04:38,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:04:38,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:04:38,144 INFO L87 Difference]: Start difference. First operand 161 states and 243 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:04:43,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:47,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:51,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:51,800 INFO L93 Difference]: Finished difference Result 297 states and 438 transitions. [2024-11-24 02:04:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:04:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-24 02:04:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:51,804 INFO L225 Difference]: With dead ends: 297 [2024-11-24 02:04:51,804 INFO L226 Difference]: Without dead ends: 179 [2024-11-24 02:04:51,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:04:51,806 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 42 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:51,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 152 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2024-11-24 02:04:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-24 02:04:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 173. [2024-11-24 02:04:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:04:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 250 transitions. [2024-11-24 02:04:51,836 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 250 transitions. Word has length 138 [2024-11-24 02:04:51,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:51,838 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 250 transitions. [2024-11-24 02:04:51,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:04:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 250 transitions. [2024-11-24 02:04:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 02:04:51,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:51,841 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:51,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-24 02:04:52,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 02:04:52,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:04:52,243 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:52,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:52,243 INFO L85 PathProgramCache]: Analyzing trace with hash 70257172, now seen corresponding path program 1 times [2024-11-24 02:04:52,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:52,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269216558] [2024-11-24 02:04:52,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:52,244 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 [2024-11-24 02:04:52,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:04:52,246 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:04:52,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Waiting until timeout for monitored process [2024-11-24 02:04:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:53,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:04:53,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-24 02:04:54,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:04:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 02:04:55,593 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:04:55,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269216558] [2024-11-24 02:04:55,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269216558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:04:55,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:04:55,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-24 02:04:55,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169106068] [2024-11-24 02:04:55,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 02:04:55,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:04:55,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:04:55,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:04:55,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:04:55,595 INFO L87 Difference]: Start difference. First operand 173 states and 250 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 02:05:01,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:04,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:09,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:12,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:19,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:21,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:21,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:21,583 INFO L93 Difference]: Finished difference Result 347 states and 486 transitions. [2024-11-24 02:05:21,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 02:05:21,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 138 [2024-11-24 02:05:21,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:21,587 INFO L225 Difference]: With dead ends: 347 [2024-11-24 02:05:21,587 INFO L226 Difference]: Without dead ends: 283 [2024-11-24 02:05:21,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-24 02:05:21,588 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 158 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:21,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 432 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 3 Unknown, 0 Unchecked, 24.9s Time] [2024-11-24 02:05:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-24 02:05:21,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 191. [2024-11-24 02:05:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 118 states have internal predecessors, (139), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-24 02:05:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 265 transitions. [2024-11-24 02:05:21,626 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 265 transitions. Word has length 138 [2024-11-24 02:05:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:21,627 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 265 transitions. [2024-11-24 02:05:21,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 02:05:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2024-11-24 02:05:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-24 02:05:21,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:21,629 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:21,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Ended with exit code 0 [2024-11-24 02:05:21,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:05:21,830 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:21,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:21,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2061646100, now seen corresponding path program 1 times [2024-11-24 02:05:21,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:05:21,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125162573] [2024-11-24 02:05:21,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:21,831 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 [2024-11-24 02:05:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:05:21,833 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:05:21,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87c75de4-f758-4c73-a619-ac2759c9c778/bin/uautomizer-verify-LYvppIcaGC/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 (9)] Waiting until timeout for monitored process [2024-11-24 02:05:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:22,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 02:05:22,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:43,283 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:05:51,647 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:05:59,988 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:06:08,303 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:06:16,614 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:06:24,950 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:06:33,256 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:06:44,657 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:06:52,786 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:01,113 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:09,453 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:17,795 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:26,072 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:34,456 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:42,763 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:51,090 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:07:59,444 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:08:07,763 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:08:16,107 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:08:24,429 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:08:28,550 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= (_ bv1 8) c_~last_1_var_1_21~0) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (bvsle ((_ zero_extend 24) c_~var_1_23~0) (_ bv0 32)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (= (_ bv8 32) c_~var_1_12~0) (= (_ bv8 32) c_~last_1_var_1_12~0) (not (fp.gt c_~var_1_17~0 c_~var_1_5~0)) (= c_~var_1_19~0 ((_ zero_extend 24) c_~last_1_var_1_1~0)) (let ((.cse8 (fp.lt c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~last_1_var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~last_1_var_1_17~0)))) (bvsge .cse4 (_ bv0 32))))) is different from false [2024-11-24 02:08:32,640 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= (_ bv1 8) c_~last_1_var_1_21~0) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (bvsle ((_ zero_extend 24) c_~var_1_23~0) (_ bv0 32)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (= (_ bv8 32) c_~var_1_12~0) (= (_ bv8 32) c_~last_1_var_1_12~0) (not (fp.gt c_~var_1_17~0 c_~var_1_5~0)) (= c_~var_1_19~0 ((_ zero_extend 24) c_~last_1_var_1_1~0)) (let ((.cse8 (fp.lt c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~last_1_var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~last_1_var_1_17~0)))) (bvsge .cse4 (_ bv0 32))))) is different from true [2024-11-24 02:08:40,999 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:08:49,335 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:08:57,680 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:06,029 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:14,390 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:22,760 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:31,117 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:37,651 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:46,034 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:09:54,205 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:02,578 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:10,967 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:19,342 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:27,658 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:35,981 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:44,287 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:10:52,623 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:00,940 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:09,267 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:17,601 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:25,957 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:34,286 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:42,618 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:50,972 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:11:59,272 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:12:07,589 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:12:15,944 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:12:24,303 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:12:37,146 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:12:45,310 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:12:53,690 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:02,033 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:10,435 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:18,815 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:27,188 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:35,535 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:43,910 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:13:52,263 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:00,627 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:09,008 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:17,395 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:25,794 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:34,175 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:42,546 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:48,674 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:14:57,061 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:05,425 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:13,770 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:23,816 WARN L286 SmtUtils]: Spent 7.93s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:31,976 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:40,343 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:48,712 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:15:57,083 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:05,437 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:13,800 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:22,162 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:30,523 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:38,886 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:47,222 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:16:55,596 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 02:17:03,961 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)