./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.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_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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_9b474710-bf39-4a78-9f3d-8de9808bd218/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 db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:45:52,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:45:52,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:45:52,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:45:52,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:45:52,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:45:52,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:45:52,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:45:52,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:45:52,437 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:45:52,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:45:52,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:45:52,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:45:52,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:45:52,439 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:45:52,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:45:52,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:45:52,440 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:45:52,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:45:52,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:45:52,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:45:52,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:45:52,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:45:52,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:45:52,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:45:52,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:45:52,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:45:52,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:45:52,442 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:45:52,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:45:52,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:45:52,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:45:52,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:52,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:45:52,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:45:52,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:45:52,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:45:52,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:52,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:45:52,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:45:52,445 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:45:52,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:45:52,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:45:52,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:45:52,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:45:52,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:45:52,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:45:52,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:45:52,446 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_9b474710-bf39-4a78-9f3d-8de9808bd218/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 -> db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 [2024-11-23 23:45:52,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:45:52,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:45:52,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:45:52,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:45:52,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:45:52,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i [2024-11-23 23:45:56,053 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/0bddfcb89/e39f1ccb866d44d39efa6b5f497c75b9/FLAGb0e8ed308 [2024-11-23 23:45:56,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:45:56,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i [2024-11-23 23:45:56,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/0bddfcb89/e39f1ccb866d44d39efa6b5f497c75b9/FLAGb0e8ed308 [2024-11-23 23:45:56,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/0bddfcb89/e39f1ccb866d44d39efa6b5f497c75b9 [2024-11-23 23:45:56,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:45:56,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:45:56,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:45:56,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:45:56,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:45:56,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7490d79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56, skipping insertion in model container [2024-11-23 23:45:56,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:45:56,520 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_9b474710-bf39-4a78-9f3d-8de9808bd218/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i[913,926] [2024-11-23 23:45:56,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:45:56,600 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:45:56,612 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_9b474710-bf39-4a78-9f3d-8de9808bd218/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i[913,926] [2024-11-23 23:45:56,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:45:56,664 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:45:56,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56 WrapperNode [2024-11-23 23:45:56,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:45:56,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:45:56,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:45:56,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:45:56,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,729 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-11-23 23:45:56,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:45:56,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:45:56,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:45:56,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:45:56,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,760 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]. [2024-11-23 23:45:56,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,769 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:45:56,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:45:56,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:45:56,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:45:56,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (1/1) ... [2024-11-23 23:45:56,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:56,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:56,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:45:56,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:45:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:45:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:45:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:45:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:45:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:45:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:45:56,949 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:45:56,950 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:45:57,549 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-23 23:45:57,549 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:45:57,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:45:57,561 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:45:57,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:57 BoogieIcfgContainer [2024-11-23 23:45:57,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:45:57,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:45:57,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:45:57,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:45:57,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:45:56" (1/3) ... [2024-11-23 23:45:57,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4eab1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:57, skipping insertion in model container [2024-11-23 23:45:57,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56" (2/3) ... [2024-11-23 23:45:57,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4eab1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:57, skipping insertion in model container [2024-11-23 23:45:57,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:57" (3/3) ... [2024-11-23 23:45:57,577 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-17.i [2024-11-23 23:45:57,601 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:45:57,603 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-17.i that has 2 procedures, 74 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:45:57,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:45:57,699 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;@749682fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:45:57,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:45:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:45:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:45:57,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:57,714 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:57,714 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:57,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:57,719 INFO L85 PathProgramCache]: Analyzing trace with hash 644121053, now seen corresponding path program 1 times [2024-11-23 23:45:57,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:57,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036748100] [2024-11-23 23:45:57,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:57,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 23:45:58,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:58,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036748100] [2024-11-23 23:45:58,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036748100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:45:58,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738732518] [2024-11-23 23:45:58,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:58,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:58,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:58,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:45:58,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:45:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:58,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:45:58,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:45:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 23:45:58,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:45:58,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738732518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:58,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:45:58,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:45:58,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635781324] [2024-11-23 23:45:58,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:58,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:45:58,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:58,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:45:58,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:45:58,429 INFO L87 Difference]: Start difference. First operand has 74 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:45:58,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:58,455 INFO L93 Difference]: Finished difference Result 141 states and 234 transitions. [2024-11-23 23:45:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:45:58,457 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122 [2024-11-23 23:45:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:58,463 INFO L225 Difference]: With dead ends: 141 [2024-11-23 23:45:58,464 INFO L226 Difference]: Without dead ends: 70 [2024-11-23 23:45:58,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:45:58,470 INFO L435 NwaCegarLoop]: 104 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, 104 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 [2024-11-23 23:45:58,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:58,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-23 23:45:58,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-23 23:45:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:45:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 104 transitions. [2024-11-23 23:45:58,512 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 104 transitions. Word has length 122 [2024-11-23 23:45:58,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:58,513 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 104 transitions. [2024-11-23 23:45:58,513 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:45:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2024-11-23 23:45:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-23 23:45:58,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:58,516 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:58,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:45:58,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:45:58,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:58,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1321897119, now seen corresponding path program 1 times [2024-11-23 23:45:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:58,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783739641] [2024-11-23 23:45:58,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:45:59,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:59,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783739641] [2024-11-23 23:45:59,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783739641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:59,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:59,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:45:59,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672801669] [2024-11-23 23:45:59,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:59,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:45:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:59,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:45:59,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:45:59,633 INFO L87 Difference]: Start difference. First operand 70 states and 104 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-23 23:45:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:59,948 INFO L93 Difference]: Finished difference Result 205 states and 307 transitions. [2024-11-23 23:45:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:45:59,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 122 [2024-11-23 23:45:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:59,953 INFO L225 Difference]: With dead ends: 205 [2024-11-23 23:45:59,953 INFO L226 Difference]: Without dead ends: 138 [2024-11-23 23:45:59,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:45:59,955 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 70 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:59,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 343 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:45:59,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-23 23:45:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 106. [2024-11-23 23:45:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:45:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-11-23 23:45:59,997 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 122 [2024-11-23 23:46:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:00,002 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-11-23 23:46:00,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-23 23:46:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-11-23 23:46:00,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 23:46:00,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:00,004 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:00,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:46:00,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:00,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:00,007 INFO L85 PathProgramCache]: Analyzing trace with hash 987988733, now seen corresponding path program 1 times [2024-11-23 23:46:00,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:00,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945113151] [2024-11-23 23:46:00,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-23 23:46:01,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:01,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945113151] [2024-11-23 23:46:01,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945113151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:46:01,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101749195] [2024-11-23 23:46:01,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:01,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:01,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:01,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:46:01,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:46:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:01,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:46:01,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-23 23:46:02,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:46:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-23 23:46:02,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101749195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:46:02,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:46:02,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-11-23 23:46:02,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675989564] [2024-11-23 23:46:02,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:46:02,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 23:46:02,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:02,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 23:46:02,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:46:02,650 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) [2024-11-23 23:46:03,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:03,806 INFO L93 Difference]: Finished difference Result 327 states and 471 transitions. [2024-11-23 23:46:03,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:46:03,806 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) Word has length 123 [2024-11-23 23:46:03,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:03,809 INFO L225 Difference]: With dead ends: 327 [2024-11-23 23:46:03,809 INFO L226 Difference]: Without dead ends: 260 [2024-11-23 23:46:03,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-23 23:46:03,811 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 519 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:03,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 539 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:46:03,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-23 23:46:03,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 169. [2024-11-23 23:46:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 109 states have internal predecessors, (130), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:46:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 238 transitions. [2024-11-23 23:46:03,848 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 238 transitions. Word has length 123 [2024-11-23 23:46:03,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:03,849 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 238 transitions. [2024-11-23 23:46:03,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) [2024-11-23 23:46:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 238 transitions. [2024-11-23 23:46:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-23 23:46:03,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:03,851 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:03,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:46:04,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:04,053 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:04,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash 729823295, now seen corresponding path program 1 times [2024-11-23 23:46:04,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:04,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392150263] [2024-11-23 23:46:04,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:04,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:46:04,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252216599] [2024-11-23 23:46:04,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:04,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:04,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:04,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:46:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:46:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:46:04,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:46:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:46:04,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:46:04,508 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:46:04,510 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:46:04,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:46:04,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:04,716 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 23:46:04,844 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:46:04,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:46:04 BoogieIcfgContainer [2024-11-23 23:46:04,850 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:46:04,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:46:04,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:46:04,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:46:04,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:57" (3/4) ... [2024-11-23 23:46:04,855 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:46:04,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:46:04,857 INFO L158 Benchmark]: Toolchain (without parser) took 8501.16ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.7MB in the beginning and 60.4MB in the end (delta: 31.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-23 23:46:04,857 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:46:04,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.27ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:46:04,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 73.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:46:04,860 INFO L158 Benchmark]: Boogie Preprocessor took 59.58ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 69.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:46:04,860 INFO L158 Benchmark]: RCFGBuilder took 771.96ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 46.3MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:46:04,861 INFO L158 Benchmark]: TraceAbstraction took 7285.83ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 60.4MB in the end (delta: -14.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-23 23:46:04,861 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:46:04,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.27ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 73.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.58ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 69.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 771.96ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 46.3MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7285.83ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 60.4MB in the end (delta: -14.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 27.1kB). 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 someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] unsigned char last_1_var_1_8 = 1; [L40] signed char last_1_var_1_14 = -1; VAL [isInitial=0, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L125] isInitial = 1 [L126] FCALL initially() [L128] CALL updateLastVariables() [L117] last_1_var_1_8 = var_1_8 [L118] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L128] RET updateLastVariables() [L129] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_8=1, var_1_9=0] [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L98] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L102] var_1_10 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L103] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L104] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L106] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L108] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L110] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L111] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L113] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] unsigned char stepLocal_0 = last_1_var_1_8; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L45] COND TRUE stepLocal_0 && last_1_var_1_8 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L46] COND TRUE \read(last_1_var_1_8) [L47] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L52] COND TRUE var_1_5 < var_1_3 [L53] var_1_8 = ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L57] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L58] COND FALSE !((64.4f + 1.5f) <= var_1_13) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L63] unsigned char stepLocal_3 = var_1_9 && var_1_8; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_3=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L64] COND TRUE stepLocal_3 || (var_1_8 && var_1_10) [L65] var_1_18 = (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L69] signed long int stepLocal_1 = 8 + var_1_14; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_1=7, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L70] COND TRUE var_1_4 == stepLocal_1 [L71] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L73] EXPR var_1_15 & var_1_1 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L73] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L74] COND FALSE !(var_1_12 >= 9.6) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_2=0, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L121-L122] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483657, var_1_19=-2147483649, var_1_1=57, var_1_2=8, var_1_3=-249, var_1_4=7, var_1_5=-6, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 599 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 589 mSDsluCounter, 986 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 706 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 649 IncrementalHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 280 mSDtfsCounter, 649 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 400 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 858 NumberOfCodeBlocks, 858 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 1760 SizeOfPredicates, 4 NumberOfNonLiveVariables, 572 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 3575/3672 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 [2024-11-23 23:46:04,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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_9b474710-bf39-4a78-9f3d-8de9808bd218/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 db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:46:07,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:46:07,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:46:07,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:46:07,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:46:07,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:46:07,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:46:07,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:46:07,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:46:07,963 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:46:07,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:46:07,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:46:07,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:46:07,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:46:07,964 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:46:07,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:46:07,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:46:07,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:46:07,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:46:07,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:46:07,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:46:07,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:46:07,972 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:46:07,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:46:07,973 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:46:07,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:46:07,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:46:07,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:46:07,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:46:07,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:46:07,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:46:07,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:46:07,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:46:07,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:46:07,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:46:07,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:46:07,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:46:07,978 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_9b474710-bf39-4a78-9f3d-8de9808bd218/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 -> db4339d9c0024596d658d0411cbe4cbce1656ab1dc5134de3a6a8a906120bfe4 [2024-11-23 23:46:08,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:46:08,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:46:08,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:46:08,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:46:08,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:46:08,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i [2024-11-23 23:46:11,817 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/f746bf0d9/1da65db08c094a29a1a831fbc431e392/FLAG6c3beac2f [2024-11-23 23:46:12,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:46:12,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i [2024-11-23 23:46:12,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/f746bf0d9/1da65db08c094a29a1a831fbc431e392/FLAG6c3beac2f [2024-11-23 23:46:12,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/data/f746bf0d9/1da65db08c094a29a1a831fbc431e392 [2024-11-23 23:46:12,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:46:12,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:46:12,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:46:12,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:46:12,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:46:12,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ba5469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12, skipping insertion in model container [2024-11-23 23:46:12,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:46:12,667 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_9b474710-bf39-4a78-9f3d-8de9808bd218/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i[913,926] [2024-11-23 23:46:12,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:46:12,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:46:12,812 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-17.i[913,926] [2024-11-23 23:46:12,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:46:12,884 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:46:12,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12 WrapperNode [2024-11-23 23:46:12,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:46:12,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:46:12,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:46:12,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:46:12,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,930 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2024-11-23 23:46:12,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:46:12,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:46:12,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:46:12,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:46:12,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,958 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]. [2024-11-23 23:46:12,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:46:12,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:46:12,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:46:12,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:46:12,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (1/1) ... [2024-11-23 23:46:12,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:46:13,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:13,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:46:13,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:46:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:46:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:46:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:46:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:46:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:46:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:46:13,183 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:46:13,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:46:14,212 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 23:46:14,212 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:46:14,224 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:46:14,224 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:46:14,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:46:14 BoogieIcfgContainer [2024-11-23 23:46:14,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:46:14,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:46:14,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:46:14,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:46:14,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:46:12" (1/3) ... [2024-11-23 23:46:14,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52955c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:46:14, skipping insertion in model container [2024-11-23 23:46:14,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:12" (2/3) ... [2024-11-23 23:46:14,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52955c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:46:14, skipping insertion in model container [2024-11-23 23:46:14,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:46:14" (3/3) ... [2024-11-23 23:46:14,237 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-17.i [2024-11-23 23:46:14,254 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:46:14,255 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-17.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:46:14,312 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:46:14,326 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;@36f58610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:46:14,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:46:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:46:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 23:46:14,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:14,345 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:14,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:14,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 558496771, now seen corresponding path program 1 times [2024-11-23 23:46:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:46:14,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879908559] [2024-11-23 23:46:14,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:14,366 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 [2024-11-23 23:46:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:46:14,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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) [2024-11-23 23:46:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:14,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:46:14,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-23 23:46:14,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:46:14,721 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:46:14,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879908559] [2024-11-23 23:46:14,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879908559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:46:14,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:46:14,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:46:14,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058339961] [2024-11-23 23:46:14,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:46:14,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:46:14,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:46:14,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:46:14,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:46:14,751 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:46:14,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:14,779 INFO L93 Difference]: Finished difference Result 115 states and 194 transitions. [2024-11-23 23:46:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:46:14,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2024-11-23 23:46:14,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:14,788 INFO L225 Difference]: With dead ends: 115 [2024-11-23 23:46:14,789 INFO L226 Difference]: Without dead ends: 57 [2024-11-23 23:46:14,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:46:14,796 INFO L435 NwaCegarLoop]: 84 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, 84 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 [2024-11-23 23:46:14,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:46:14,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-23 23:46:14,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-23 23:46:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:46:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-23 23:46:14,860 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 119 [2024-11-23 23:46:14,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:14,860 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-23 23:46:14,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:46:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-23 23:46:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 23:46:14,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:14,865 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:14,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:15,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:15,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:15,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:15,067 INFO L85 PathProgramCache]: Analyzing trace with hash 640030975, now seen corresponding path program 1 times [2024-11-23 23:46:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:46:15,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530470296] [2024-11-23 23:46:15,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:15,069 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 [2024-11-23 23:46:15,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:46:15,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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) [2024-11-23 23:46:15,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:15,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:46:15,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:46:16,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:46:16,046 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:46:16,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530470296] [2024-11-23 23:46:16,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530470296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:46:16,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:46:16,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:46:16,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889744423] [2024-11-23 23:46:16,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:46:16,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:46:16,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:46:16,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:46:16,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:46:16,053 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-23 23:46:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:16,780 INFO L93 Difference]: Finished difference Result 166 states and 247 transitions. [2024-11-23 23:46:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:46:16,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-11-23 23:46:16,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:16,789 INFO L225 Difference]: With dead ends: 166 [2024-11-23 23:46:16,789 INFO L226 Difference]: Without dead ends: 112 [2024-11-23 23:46:16,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:46:16,791 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:16,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 264 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:46:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-23 23:46:16,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2024-11-23 23:46:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 23:46:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 137 transitions. [2024-11-23 23:46:16,819 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 137 transitions. Word has length 119 [2024-11-23 23:46:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:16,820 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 137 transitions. [2024-11-23 23:46:16,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-23 23:46:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2024-11-23 23:46:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:46:16,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:16,823 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:16,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:17,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:17,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:17,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:17,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1847668821, now seen corresponding path program 1 times [2024-11-23 23:46:17,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:46:17,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757382525] [2024-11-23 23:46:17,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:17,029 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 [2024-11-23 23:46:17,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:46:17,032 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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) [2024-11-23 23:46:17,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:17,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:46:17,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-23 23:46:18,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:46:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-23 23:46:18,840 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:46:18,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757382525] [2024-11-23 23:46:18,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757382525] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:46:18,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:46:18,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2024-11-23 23:46:18,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251144870] [2024-11-23 23:46:18,841 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:46:18,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:46:18,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:46:18,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:46:18,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:46:18,844 INFO L87 Difference]: Start difference. First operand 93 states and 137 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-23 23:46:22,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:22,353 INFO L93 Difference]: Finished difference Result 273 states and 392 transitions. [2024-11-23 23:46:22,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:46:22,354 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 120 [2024-11-23 23:46:22,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:22,357 INFO L225 Difference]: With dead ends: 273 [2024-11-23 23:46:22,358 INFO L226 Difference]: Without dead ends: 219 [2024-11-23 23:46:22,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:46:22,360 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 233 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:22,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 381 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-23 23:46:22,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-23 23:46:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 161. [2024-11-23 23:46:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 101 states have (on average 1.2178217821782178) internal successors, (123), 101 states have internal predecessors, (123), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:46:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 231 transitions. [2024-11-23 23:46:22,425 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 231 transitions. Word has length 120 [2024-11-23 23:46:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:22,425 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 231 transitions. [2024-11-23 23:46:22,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-23 23:46:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 231 transitions. [2024-11-23 23:46:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:46:22,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:22,430 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:22,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:22,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:22,635 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:22,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1767240105, now seen corresponding path program 1 times [2024-11-23 23:46:22,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:46:22,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061835000] [2024-11-23 23:46:22,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:22,641 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 [2024-11-23 23:46:22,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:46:22,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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) [2024-11-23 23:46:22,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b474710-bf39-4a78-9f3d-8de9808bd218/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 [2024-11-23 23:46:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:22,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 23:46:22,892 INFO L279 TraceCheckSpWp]: Computing forward predicates...