./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.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_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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_a47fa381-14ec-4944-9b90-1de75bd91a77/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 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:37:06,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:37:06,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:37:06,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:37:06,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:37:07,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:37:07,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:37:07,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:37:07,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:37:07,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:37:07,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:37:07,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:37:07,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:37:07,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:37:07,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:37:07,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:37:07,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:37:07,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:37:07,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:37:07,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:37:07,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:37:07,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:37:07,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:37:07,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:37:07,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:37:07,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:37:07,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:37:07,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:37:07,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:37:07,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:37:07,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:37:07,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:37:07,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:37:07,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:37:07,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:37:07,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:37:07,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:37:07,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:37:07,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:37:07,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:37:07,024 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:37:07,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:37:07,025 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_a47fa381-14ec-4944-9b90-1de75bd91a77/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 -> 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 [2024-11-24 00:37:07,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:37:07,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:37:07,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:37:07,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:37:07,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:37:07,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-24 00:37:10,493 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/28fb9bb1e/5b9cabe40f134e899d40761e5c16c19c/FLAG5554d65b5 [2024-11-24 00:37:10,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:37:10,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-24 00:37:10,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/28fb9bb1e/5b9cabe40f134e899d40761e5c16c19c/FLAG5554d65b5 [2024-11-24 00:37:11,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/28fb9bb1e/5b9cabe40f134e899d40761e5c16c19c [2024-11-24 00:37:11,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:37:11,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:37:11,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:37:11,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:37:11,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:37:11,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f19b566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11, skipping insertion in model container [2024-11-24 00:37:11,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:37:11,276 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_a47fa381-14ec-4944-9b90-1de75bd91a77/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-24 00:37:11,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:37:11,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:37:11,424 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_a47fa381-14ec-4944-9b90-1de75bd91a77/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-24 00:37:11,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:37:11,514 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:37:11,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11 WrapperNode [2024-11-24 00:37:11,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:37:11,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:37:11,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:37:11,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:37:11,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,612 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-24 00:37:11,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:37:11,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:37:11,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:37:11,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:37:11,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,671 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:37:11,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:37:11,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:37:11,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:37:11,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:37:11,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (1/1) ... [2024-11-24 00:37:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:37:11,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:11,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:37:11,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:37:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:37:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:37:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:37:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:37:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:37:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:37:11,889 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:37:11,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:37:12,371 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:37:12,371 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:37:12,382 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:37:12,383 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:37:12,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:12 BoogieIcfgContainer [2024-11-24 00:37:12,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:37:12,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:37:12,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:37:12,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:37:12,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:37:11" (1/3) ... [2024-11-24 00:37:12,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73536cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:12, skipping insertion in model container [2024-11-24 00:37:12,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:11" (2/3) ... [2024-11-24 00:37:12,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73536cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:12, skipping insertion in model container [2024-11-24 00:37:12,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:12" (3/3) ... [2024-11-24 00:37:12,394 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-24 00:37:12,411 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:37:12,412 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:37:12,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:37:12,495 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;@53ca555c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:37:12,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:37:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:37:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:37:12,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:12,513 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:12,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:12,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:12,520 INFO L85 PathProgramCache]: Analyzing trace with hash 851425572, now seen corresponding path program 1 times [2024-11-24 00:37:12,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:12,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553972301] [2024-11-24 00:37:12,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-24 00:37:12,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:12,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553972301] [2024-11-24 00:37:12,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553972301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:37:12,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215369545] [2024-11-24 00:37:13,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:13,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:37:13,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:37:13,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:37:13,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:37:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:13,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:37:13,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:37:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-24 00:37:13,315 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:37:13,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215369545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:13,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:37:13,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:37:13,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068861397] [2024-11-24 00:37:13,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:13,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:37:13,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:13,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:37:13,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:37:13,355 INFO L87 Difference]: Start difference. First operand has 82 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:37:13,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:13,404 INFO L93 Difference]: Finished difference Result 157 states and 274 transitions. [2024-11-24 00:37:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:37:13,406 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-24 00:37:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:13,416 INFO L225 Difference]: With dead ends: 157 [2024-11-24 00:37:13,417 INFO L226 Difference]: Without dead ends: 78 [2024-11-24 00:37:13,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:37:13,427 INFO L435 NwaCegarLoop]: 122 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, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:13,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:37:13,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-24 00:37:13,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-24 00:37:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:37:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 122 transitions. [2024-11-24 00:37:13,492 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 122 transitions. Word has length 150 [2024-11-24 00:37:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:13,493 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 122 transitions. [2024-11-24 00:37:13,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:37:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2024-11-24 00:37:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:37:13,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:13,501 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:13,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:37:13,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:37:13,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:13,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1371466408, now seen corresponding path program 1 times [2024-11-24 00:37:13,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130769996] [2024-11-24 00:37:13,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:13,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:37:14,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:14,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130769996] [2024-11-24 00:37:14,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130769996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:14,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:37:14,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:37:14,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003478631] [2024-11-24 00:37:14,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:14,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:37:14,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:14,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:37:14,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:37:14,317 INFO L87 Difference]: Start difference. First operand 78 states and 122 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:37:14,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:14,578 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2024-11-24 00:37:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:37:14,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-24 00:37:14,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:14,581 INFO L225 Difference]: With dead ends: 207 [2024-11-24 00:37:14,581 INFO L226 Difference]: Without dead ends: 132 [2024-11-24 00:37:14,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:37:14,583 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 207 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:14,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 214 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:37:14,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-24 00:37:14,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2024-11-24 00:37:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 95 states have internal predecessors, (138), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:37:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 202 transitions. [2024-11-24 00:37:14,610 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 202 transitions. Word has length 150 [2024-11-24 00:37:14,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:14,611 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 202 transitions. [2024-11-24 00:37:14,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:37:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 202 transitions. [2024-11-24 00:37:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:37:14,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:14,615 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:14,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:37:14,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:14,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:14,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1794168234, now seen corresponding path program 1 times [2024-11-24 00:37:14,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:14,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728197548] [2024-11-24 00:37:14,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:37:15,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:15,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728197548] [2024-11-24 00:37:15,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728197548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:15,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:37:15,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:37:15,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702861831] [2024-11-24 00:37:15,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:15,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:37:15,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:15,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:37:15,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:37:15,434 INFO L87 Difference]: Start difference. First operand 129 states and 202 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:15,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:15,713 INFO L93 Difference]: Finished difference Result 371 states and 593 transitions. [2024-11-24 00:37:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:37:15,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-24 00:37:15,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:15,724 INFO L225 Difference]: With dead ends: 371 [2024-11-24 00:37:15,727 INFO L226 Difference]: Without dead ends: 245 [2024-11-24 00:37:15,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:37:15,730 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 111 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:15,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 287 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:37:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-24 00:37:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 179. [2024-11-24 00:37:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 121 states have (on average 1.4049586776859504) internal successors, (170), 122 states have internal predecessors, (170), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-24 00:37:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 278 transitions. [2024-11-24 00:37:15,804 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 278 transitions. Word has length 150 [2024-11-24 00:37:15,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:15,805 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 278 transitions. [2024-11-24 00:37:15,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 278 transitions. [2024-11-24 00:37:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:37:15,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:15,813 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:15,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:37:15,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:15,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:15,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1214684569, now seen corresponding path program 1 times [2024-11-24 00:37:15,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:15,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572644809] [2024-11-24 00:37:15,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:15,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:37:24,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:24,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572644809] [2024-11-24 00:37:24,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572644809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:24,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:37:24,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-24 00:37:24,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830684274] [2024-11-24 00:37:24,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:24,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:37:24,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:24,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:37:24,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:37:24,855 INFO L87 Difference]: Start difference. First operand 179 states and 278 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:27,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:27,797 INFO L93 Difference]: Finished difference Result 497 states and 737 transitions. [2024-11-24 00:37:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:37:27,799 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:37:27,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:27,803 INFO L225 Difference]: With dead ends: 497 [2024-11-24 00:37:27,803 INFO L226 Difference]: Without dead ends: 371 [2024-11-24 00:37:27,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:37:27,808 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 418 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:27,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 748 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 00:37:27,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-24 00:37:27,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 269. [2024-11-24 00:37:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 201 states have (on average 1.427860696517413) internal successors, (287), 204 states have internal predecessors, (287), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 57 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-24 00:37:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 407 transitions. [2024-11-24 00:37:27,870 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 407 transitions. Word has length 151 [2024-11-24 00:37:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:27,873 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 407 transitions. [2024-11-24 00:37:27,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 407 transitions. [2024-11-24 00:37:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:37:27,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:27,877 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:27,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:37:27,878 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:27,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1212837527, now seen corresponding path program 1 times [2024-11-24 00:37:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:27,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985349070] [2024-11-24 00:37:27,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:37:32,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:32,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985349070] [2024-11-24 00:37:32,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985349070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:32,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:37:32,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:37:32,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538722138] [2024-11-24 00:37:32,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:32,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:37:32,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:32,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:37:32,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:37:32,787 INFO L87 Difference]: Start difference. First operand 269 states and 407 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:35,593 INFO L93 Difference]: Finished difference Result 378 states and 538 transitions. [2024-11-24 00:37:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:37:35,596 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:37:35,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:35,599 INFO L225 Difference]: With dead ends: 378 [2024-11-24 00:37:35,599 INFO L226 Difference]: Without dead ends: 376 [2024-11-24 00:37:35,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:37:35,603 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 425 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:35,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 762 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:37:35,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-24 00:37:35,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 276. [2024-11-24 00:37:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 205 states have (on average 1.4195121951219511) internal successors, (291), 208 states have internal predecessors, (291), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 00:37:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 415 transitions. [2024-11-24 00:37:35,640 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 415 transitions. Word has length 151 [2024-11-24 00:37:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:35,641 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 415 transitions. [2024-11-24 00:37:35,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 415 transitions. [2024-11-24 00:37:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:37:35,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:35,644 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:35,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:37:35,644 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:35,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:35,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1894742939, now seen corresponding path program 1 times [2024-11-24 00:37:35,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:35,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324306592] [2024-11-24 00:37:35,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:35,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:37:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:37:43,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:37:43,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324306592] [2024-11-24 00:37:43,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324306592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:37:43,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:37:43,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-24 00:37:43,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196200742] [2024-11-24 00:37:43,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:37:43,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:37:43,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:37:43,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:37:43,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:37:43,767 INFO L87 Difference]: Start difference. First operand 276 states and 415 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:45,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:37:45,347 INFO L93 Difference]: Finished difference Result 384 states and 545 transitions. [2024-11-24 00:37:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:37:45,348 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:37:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:37:45,351 INFO L225 Difference]: With dead ends: 384 [2024-11-24 00:37:45,351 INFO L226 Difference]: Without dead ends: 382 [2024-11-24 00:37:45,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:37:45,353 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 431 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:37:45,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 659 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:37:45,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-24 00:37:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 280. [2024-11-24 00:37:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 209 states have (on average 1.4210526315789473) internal successors, (297), 212 states have internal predecessors, (297), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 00:37:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 421 transitions. [2024-11-24 00:37:45,385 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 421 transitions. Word has length 151 [2024-11-24 00:37:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:37:45,386 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 421 transitions. [2024-11-24 00:37:45,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:37:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 421 transitions. [2024-11-24 00:37:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:37:45,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:37:45,389 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:37:45,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:37:45,389 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:37:45,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:37:45,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1892895897, now seen corresponding path program 1 times [2024-11-24 00:37:45,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:37:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666831539] [2024-11-24 00:37:45,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:37:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:37:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:14,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:14,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666831539] [2024-11-24 00:38:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666831539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:14,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:14,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:38:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95875429] [2024-11-24 00:38:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:14,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:38:14,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:14,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:38:14,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:38:14,693 INFO L87 Difference]: Start difference. First operand 280 states and 421 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:17,163 INFO L93 Difference]: Finished difference Result 379 states and 540 transitions. [2024-11-24 00:38:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:38:17,165 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:38:17,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:17,168 INFO L225 Difference]: With dead ends: 379 [2024-11-24 00:38:17,168 INFO L226 Difference]: Without dead ends: 377 [2024-11-24 00:38:17,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:38:17,172 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 481 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:17,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 643 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:38:17,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-24 00:38:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 281. [2024-11-24 00:38:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 210 states have (on average 1.4190476190476191) internal successors, (298), 213 states have internal predecessors, (298), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 00:38:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 422 transitions. [2024-11-24 00:38:17,201 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 422 transitions. Word has length 151 [2024-11-24 00:38:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:17,201 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 422 transitions. [2024-11-24 00:38:17,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 422 transitions. [2024-11-24 00:38:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:38:17,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:17,204 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:17,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:38:17,204 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:17,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1472850007, now seen corresponding path program 1 times [2024-11-24 00:38:17,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:17,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315508049] [2024-11-24 00:38:17,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:17,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:17,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315508049] [2024-11-24 00:38:17,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315508049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:17,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:17,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:17,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680678029] [2024-11-24 00:38:17,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:17,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:17,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:17,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:17,279 INFO L87 Difference]: Start difference. First operand 281 states and 422 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:17,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:17,351 INFO L93 Difference]: Finished difference Result 692 states and 1051 transitions. [2024-11-24 00:38:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:17,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:38:17,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:17,356 INFO L225 Difference]: With dead ends: 692 [2024-11-24 00:38:17,356 INFO L226 Difference]: Without dead ends: 472 [2024-11-24 00:38:17,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:17,358 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 105 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:17,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 324 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:38:17,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-24 00:38:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 470. [2024-11-24 00:38:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 354 states have (on average 1.3728813559322033) internal successors, (486), 360 states have internal predecessors, (486), 102 states have call successors, (102), 13 states have call predecessors, (102), 13 states have return successors, (102), 96 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-24 00:38:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 690 transitions. [2024-11-24 00:38:17,405 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 690 transitions. Word has length 151 [2024-11-24 00:38:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:17,406 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 690 transitions. [2024-11-24 00:38:17,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 690 transitions. [2024-11-24 00:38:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:38:17,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:17,408 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:17,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:38:17,408 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:17,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:17,409 INFO L85 PathProgramCache]: Analyzing trace with hash 663503381, now seen corresponding path program 1 times [2024-11-24 00:38:17,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:17,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526969028] [2024-11-24 00:38:17,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:17,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:17,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:17,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526969028] [2024-11-24 00:38:17,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526969028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:17,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:17,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:38:17,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266531664] [2024-11-24 00:38:17,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:17,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:38:17,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:17,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:38:17,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:38:17,543 INFO L87 Difference]: Start difference. First operand 470 states and 690 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:17,859 INFO L93 Difference]: Finished difference Result 1207 states and 1760 transitions. [2024-11-24 00:38:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:38:17,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:38:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:17,865 INFO L225 Difference]: With dead ends: 1207 [2024-11-24 00:38:17,867 INFO L226 Difference]: Without dead ends: 798 [2024-11-24 00:38:17,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:38:17,870 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 91 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:17,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 382 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:38:17,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-24 00:38:17,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 756. [2024-11-24 00:38:17,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 585 states have (on average 1.3726495726495727) internal successors, (803), 596 states have internal predecessors, (803), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 139 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-24 00:38:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1103 transitions. [2024-11-24 00:38:17,969 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1103 transitions. Word has length 151 [2024-11-24 00:38:17,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:17,969 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1103 transitions. [2024-11-24 00:38:17,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1103 transitions. [2024-11-24 00:38:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:38:17,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:17,977 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:17,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:38:17,977 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:17,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:17,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1343561751, now seen corresponding path program 1 times [2024-11-24 00:38:17,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:17,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183207916] [2024-11-24 00:38:17,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:17,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:18,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:18,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183207916] [2024-11-24 00:38:18,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183207916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:18,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:18,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:38:18,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83532203] [2024-11-24 00:38:18,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:18,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:38:18,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:18,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:38:18,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:38:18,171 INFO L87 Difference]: Start difference. First operand 756 states and 1103 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:18,818 INFO L93 Difference]: Finished difference Result 1709 states and 2467 transitions. [2024-11-24 00:38:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:38:18,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-24 00:38:18,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:18,825 INFO L225 Difference]: With dead ends: 1709 [2024-11-24 00:38:18,826 INFO L226 Difference]: Without dead ends: 1056 [2024-11-24 00:38:18,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:38:18,828 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 289 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:18,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 468 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:38:18,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-24 00:38:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1031. [2024-11-24 00:38:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 803 states have (on average 1.3673723536737235) internal successors, (1098), 819 states have internal predecessors, (1098), 198 states have call successors, (198), 29 states have call predecessors, (198), 29 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-24 00:38:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1494 transitions. [2024-11-24 00:38:18,944 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1494 transitions. Word has length 151 [2024-11-24 00:38:18,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:18,945 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1494 transitions. [2024-11-24 00:38:18,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1494 transitions. [2024-11-24 00:38:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:38:18,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:18,948 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:18,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:38:18,948 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:18,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:18,949 INFO L85 PathProgramCache]: Analyzing trace with hash 627878555, now seen corresponding path program 1 times [2024-11-24 00:38:18,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:18,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407072494] [2024-11-24 00:38:18,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:18,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:19,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:19,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407072494] [2024-11-24 00:38:19,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407072494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:19,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:19,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:38:19,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404342190] [2024-11-24 00:38:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:19,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:38:19,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:19,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:38:19,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:38:19,335 INFO L87 Difference]: Start difference. First operand 1031 states and 1494 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:38:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:20,135 INFO L93 Difference]: Finished difference Result 2560 states and 3632 transitions. [2024-11-24 00:38:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:38:20,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-24 00:38:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:20,145 INFO L225 Difference]: With dead ends: 2560 [2024-11-24 00:38:20,146 INFO L226 Difference]: Without dead ends: 1632 [2024-11-24 00:38:20,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:38:20,149 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 360 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:20,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 285 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:38:20,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-24 00:38:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1325. [2024-11-24 00:38:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 1031 states have (on average 1.3433559650824443) internal successors, (1385), 1057 states have internal predecessors, (1385), 254 states have call successors, (254), 39 states have call predecessors, (254), 39 states have return successors, (254), 228 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-24 00:38:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1893 transitions. [2024-11-24 00:38:20,299 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1893 transitions. Word has length 151 [2024-11-24 00:38:20,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:20,299 INFO L471 AbstractCegarLoop]: Abstraction has 1325 states and 1893 transitions. [2024-11-24 00:38:20,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:38:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1893 transitions. [2024-11-24 00:38:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:38:20,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:20,303 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:20,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:38:20,304 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:20,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:20,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1920420495, now seen corresponding path program 1 times [2024-11-24 00:38:20,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:20,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988547375] [2024-11-24 00:38:20,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:20,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:20,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:20,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988547375] [2024-11-24 00:38:20,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988547375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:20,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:20,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:38:20,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145131291] [2024-11-24 00:38:20,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:20,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:38:20,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:20,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:38:20,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:20,385 INFO L87 Difference]: Start difference. First operand 1325 states and 1893 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:20,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:20,556 INFO L93 Difference]: Finished difference Result 2949 states and 4212 transitions. [2024-11-24 00:38:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:38:20,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:38:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:20,568 INFO L225 Difference]: With dead ends: 2949 [2024-11-24 00:38:20,569 INFO L226 Difference]: Without dead ends: 1716 [2024-11-24 00:38:20,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:38:20,573 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 78 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:20,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 257 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:38:20,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2024-11-24 00:38:20,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1355. [2024-11-24 00:38:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1060 states have (on average 1.3528301886792453) internal successors, (1434), 1086 states have internal predecessors, (1434), 254 states have call successors, (254), 40 states have call predecessors, (254), 40 states have return successors, (254), 228 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-24 00:38:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1942 transitions. [2024-11-24 00:38:20,732 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1942 transitions. Word has length 152 [2024-11-24 00:38:20,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:20,733 INFO L471 AbstractCegarLoop]: Abstraction has 1355 states and 1942 transitions. [2024-11-24 00:38:20,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1942 transitions. [2024-11-24 00:38:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:38:20,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:20,736 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:20,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:38:20,736 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:20,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:20,737 INFO L85 PathProgramCache]: Analyzing trace with hash 231476753, now seen corresponding path program 1 times [2024-11-24 00:38:20,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:20,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081102943] [2024-11-24 00:38:20,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:20,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:20,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:20,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081102943] [2024-11-24 00:38:20,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081102943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:20,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:20,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:38:20,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591236017] [2024-11-24 00:38:20,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:20,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:38:20,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:20,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:38:20,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:38:20,975 INFO L87 Difference]: Start difference. First operand 1355 states and 1942 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:21,337 INFO L93 Difference]: Finished difference Result 3207 states and 4614 transitions. [2024-11-24 00:38:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:38:21,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:38:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:21,351 INFO L225 Difference]: With dead ends: 3207 [2024-11-24 00:38:21,351 INFO L226 Difference]: Without dead ends: 2345 [2024-11-24 00:38:21,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:38:21,357 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 162 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:21,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 360 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:38:21,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2024-11-24 00:38:21,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2073. [2024-11-24 00:38:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 1620 states have (on average 1.3506172839506172) internal successors, (2188), 1664 states have internal predecessors, (2188), 394 states have call successors, (394), 58 states have call predecessors, (394), 58 states have return successors, (394), 350 states have call predecessors, (394), 394 states have call successors, (394) [2024-11-24 00:38:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 2976 transitions. [2024-11-24 00:38:21,577 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 2976 transitions. Word has length 152 [2024-11-24 00:38:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:21,578 INFO L471 AbstractCegarLoop]: Abstraction has 2073 states and 2976 transitions. [2024-11-24 00:38:21,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2976 transitions. [2024-11-24 00:38:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:38:21,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:21,581 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:21,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:38:21,582 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:21,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:21,582 INFO L85 PathProgramCache]: Analyzing trace with hash 360353935, now seen corresponding path program 1 times [2024-11-24 00:38:21,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:21,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616806973] [2024-11-24 00:38:21,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:25,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:25,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616806973] [2024-11-24 00:38:25,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616806973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:25,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:25,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:38:25,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818338208] [2024-11-24 00:38:25,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:25,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:38:25,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:25,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:38:25,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:38:25,917 INFO L87 Difference]: Start difference. First operand 2073 states and 2976 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:38:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:29,731 INFO L93 Difference]: Finished difference Result 2471 states and 3475 transitions. [2024-11-24 00:38:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:38:29,732 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-24 00:38:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:29,748 INFO L225 Difference]: With dead ends: 2471 [2024-11-24 00:38:29,748 INFO L226 Difference]: Without dead ends: 2469 [2024-11-24 00:38:29,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=229, Invalid=527, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:38:29,751 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 331 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:29,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 842 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-24 00:38:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2024-11-24 00:38:29,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2208. [2024-11-24 00:38:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2208 states, 1742 states have (on average 1.3484500574052813) internal successors, (2349), 1790 states have internal predecessors, (2349), 402 states have call successors, (402), 63 states have call predecessors, (402), 63 states have return successors, (402), 354 states have call predecessors, (402), 402 states have call successors, (402) [2024-11-24 00:38:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3153 transitions. [2024-11-24 00:38:30,004 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3153 transitions. Word has length 152 [2024-11-24 00:38:30,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:30,006 INFO L471 AbstractCegarLoop]: Abstraction has 2208 states and 3153 transitions. [2024-11-24 00:38:30,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:38:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3153 transitions. [2024-11-24 00:38:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:38:30,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:30,010 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:30,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:38:30,011 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:30,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:30,011 INFO L85 PathProgramCache]: Analyzing trace with hash 358506893, now seen corresponding path program 1 times [2024-11-24 00:38:30,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:30,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567857739] [2024-11-24 00:38:30,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:30,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:33,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:33,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567857739] [2024-11-24 00:38:33,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567857739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:33,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:33,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 00:38:33,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671557507] [2024-11-24 00:38:33,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:33,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 00:38:33,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:33,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 00:38:33,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:38:33,935 INFO L87 Difference]: Start difference. First operand 2208 states and 3153 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:38:36,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:36,741 INFO L93 Difference]: Finished difference Result 2437 states and 3416 transitions. [2024-11-24 00:38:36,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:38:36,742 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-24 00:38:36,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:36,756 INFO L225 Difference]: With dead ends: 2437 [2024-11-24 00:38:36,756 INFO L226 Difference]: Without dead ends: 2435 [2024-11-24 00:38:36,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=229, Invalid=421, Unknown=0, NotChecked=0, Total=650 [2024-11-24 00:38:36,759 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 309 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:36,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 773 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:38:36,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2024-11-24 00:38:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2221. [2024-11-24 00:38:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 1755 states have (on average 1.3492877492877493) internal successors, (2368), 1803 states have internal predecessors, (2368), 402 states have call successors, (402), 63 states have call predecessors, (402), 63 states have return successors, (402), 354 states have call predecessors, (402), 402 states have call successors, (402) [2024-11-24 00:38:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 3172 transitions. [2024-11-24 00:38:37,018 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 3172 transitions. Word has length 152 [2024-11-24 00:38:37,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:37,018 INFO L471 AbstractCegarLoop]: Abstraction has 2221 states and 3172 transitions. [2024-11-24 00:38:37,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:38:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 3172 transitions. [2024-11-24 00:38:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:38:37,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:37,022 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:37,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:38:37,022 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:37,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:37,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2026814901, now seen corresponding path program 1 times [2024-11-24 00:38:37,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:37,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024438533] [2024-11-24 00:38:37,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:37,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:38:40,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:38:40,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024438533] [2024-11-24 00:38:40,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024438533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:40,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:40,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:38:40,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406780453] [2024-11-24 00:38:40,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:40,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:38:40,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:38:40,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:38:40,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:38:40,922 INFO L87 Difference]: Start difference. First operand 2221 states and 3172 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:44,541 INFO L93 Difference]: Finished difference Result 2750 states and 3782 transitions. [2024-11-24 00:38:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:38:44,541 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:38:44,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:44,556 INFO L225 Difference]: With dead ends: 2750 [2024-11-24 00:38:44,556 INFO L226 Difference]: Without dead ends: 2748 [2024-11-24 00:38:44,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:38:44,558 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 348 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:44,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 772 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 00:38:44,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2024-11-24 00:38:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2255. [2024-11-24 00:38:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1793 states have (on average 1.3463469046291132) internal successors, (2414), 1841 states have internal predecessors, (2414), 390 states have call successors, (390), 71 states have call predecessors, (390), 71 states have return successors, (390), 342 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-24 00:38:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3194 transitions. [2024-11-24 00:38:44,862 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3194 transitions. Word has length 152 [2024-11-24 00:38:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:44,862 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 3194 transitions. [2024-11-24 00:38:44,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:38:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3194 transitions. [2024-11-24 00:38:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:38:44,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:44,867 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:44,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:38:44,867 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:44,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:44,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2028661943, now seen corresponding path program 1 times [2024-11-24 00:38:44,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:38:44,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369620676] [2024-11-24 00:38:44,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:38:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:39:09,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:39:09,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369620676] [2024-11-24 00:39:09,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369620676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:39:09,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:39:09,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:39:09,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938921680] [2024-11-24 00:39:09,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:39:09,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:39:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:39:09,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:39:09,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:39:09,906 INFO L87 Difference]: Start difference. First operand 2255 states and 3194 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:39:15,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:15,547 INFO L93 Difference]: Finished difference Result 2810 states and 3860 transitions. [2024-11-24 00:39:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:39:15,548 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:39:15,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:39:15,563 INFO L225 Difference]: With dead ends: 2810 [2024-11-24 00:39:15,563 INFO L226 Difference]: Without dead ends: 2808 [2024-11-24 00:39:15,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:39:15,566 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 237 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:39:15,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 678 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 00:39:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2024-11-24 00:39:15,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 2254. [2024-11-24 00:39:15,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1792 states have (on average 1.3459821428571428) internal successors, (2412), 1840 states have internal predecessors, (2412), 390 states have call successors, (390), 71 states have call predecessors, (390), 71 states have return successors, (390), 342 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-24 00:39:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3192 transitions. [2024-11-24 00:39:15,891 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3192 transitions. Word has length 152 [2024-11-24 00:39:15,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:39:15,892 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3192 transitions. [2024-11-24 00:39:15,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:39:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3192 transitions. [2024-11-24 00:39:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:39:15,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:39:15,895 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:15,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:39:15,895 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:39:15,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:15,896 INFO L85 PathProgramCache]: Analyzing trace with hash 97463247, now seen corresponding path program 1 times [2024-11-24 00:39:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:39:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897481814] [2024-11-24 00:39:15,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:39:53,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:39:53,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897481814] [2024-11-24 00:39:53,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897481814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:39:53,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:39:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-24 00:39:53,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619052990] [2024-11-24 00:39:53,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:39:53,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 00:39:53,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:39:53,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:39:53,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:39:53,498 INFO L87 Difference]: Start difference. First operand 2254 states and 3192 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:39:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:58,083 INFO L93 Difference]: Finished difference Result 4605 states and 6462 transitions. [2024-11-24 00:39:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 00:39:58,084 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:39:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:39:58,097 INFO L225 Difference]: With dead ends: 4605 [2024-11-24 00:39:58,097 INFO L226 Difference]: Without dead ends: 2529 [2024-11-24 00:39:58,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=298, Invalid=694, Unknown=0, NotChecked=0, Total=992 [2024-11-24 00:39:58,102 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 398 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:39:58,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1264 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 00:39:58,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2024-11-24 00:39:58,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2176. [2024-11-24 00:39:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1731 states have (on average 1.34315424610052) internal successors, (2325), 1773 states have internal predecessors, (2325), 366 states have call successors, (366), 78 states have call predecessors, (366), 78 states have return successors, (366), 324 states have call predecessors, (366), 366 states have call successors, (366) [2024-11-24 00:39:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3057 transitions. [2024-11-24 00:39:58,386 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3057 transitions. Word has length 152 [2024-11-24 00:39:58,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:39:58,387 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 3057 transitions. [2024-11-24 00:39:58,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:39:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3057 transitions. [2024-11-24 00:39:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:39:58,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:39:58,390 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:58,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:39:58,390 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:39:58,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:58,390 INFO L85 PathProgramCache]: Analyzing trace with hash 777521617, now seen corresponding path program 1 times [2024-11-24 00:39:58,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:39:58,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952259636] [2024-11-24 00:39:58,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:58,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:40:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:40:05,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:40:05,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952259636] [2024-11-24 00:40:05,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952259636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:40:05,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:40:05,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-24 00:40:05,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660053532] [2024-11-24 00:40:05,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:40:05,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 00:40:05,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:40:05,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:40:05,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:40:05,019 INFO L87 Difference]: Start difference. First operand 2176 states and 3057 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:40:10,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:40:10,650 INFO L93 Difference]: Finished difference Result 2305 states and 3198 transitions. [2024-11-24 00:40:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 00:40:10,651 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-24 00:40:10,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:40:10,664 INFO L225 Difference]: With dead ends: 2305 [2024-11-24 00:40:10,664 INFO L226 Difference]: Without dead ends: 2303 [2024-11-24 00:40:10,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 00:40:10,667 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 456 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:40:10,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 921 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-24 00:40:10,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2024-11-24 00:40:10,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 1610. [2024-11-24 00:40:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1305 states have (on average 1.367816091954023) internal successors, (1785), 1328 states have internal predecessors, (1785), 246 states have call successors, (246), 58 states have call predecessors, (246), 58 states have return successors, (246), 223 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-24 00:40:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2277 transitions. [2024-11-24 00:40:10,894 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2277 transitions. Word has length 152 [2024-11-24 00:40:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:40:10,894 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 2277 transitions. [2024-11-24 00:40:10,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:40:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2277 transitions. [2024-11-24 00:40:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:40:10,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:40:10,897 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:40:10,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:40:10,897 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:40:10,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:40:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash 775674575, now seen corresponding path program 1 times [2024-11-24 00:40:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:40:10,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656781856] [2024-11-24 00:40:10,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:40:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:40:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:40:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:40:18,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:40:18,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656781856] [2024-11-24 00:40:18,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656781856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:40:18,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:40:18,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-24 00:40:18,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490370546] [2024-11-24 00:40:18,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:40:18,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 00:40:18,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:40:18,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:40:18,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:40:18,194 INFO L87 Difference]: Start difference. First operand 1610 states and 2277 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:40:24,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 00:40:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:40:25,501 INFO L93 Difference]: Finished difference Result 2276 states and 3160 transitions. [2024-11-24 00:40:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 00:40:25,501 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-24 00:40:25,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:40:25,511 INFO L225 Difference]: With dead ends: 2276 [2024-11-24 00:40:25,511 INFO L226 Difference]: Without dead ends: 2274 [2024-11-24 00:40:25,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=301, Invalid=821, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 00:40:25,513 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 427 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:40:25,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 888 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-24 00:40:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2024-11-24 00:40:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1608. [2024-11-24 00:40:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1303 states have (on average 1.3676132003069839) internal successors, (1782), 1326 states have internal predecessors, (1782), 246 states have call successors, (246), 58 states have call predecessors, (246), 58 states have return successors, (246), 223 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-24 00:40:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2274 transitions. [2024-11-24 00:40:25,700 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2274 transitions. Word has length 152 [2024-11-24 00:40:25,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:40:25,701 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2274 transitions. [2024-11-24 00:40:25,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:40:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2274 transitions. [2024-11-24 00:40:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:40:25,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:40:25,703 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:40:25,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 00:40:25,704 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:40:25,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:40:25,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2005261707, now seen corresponding path program 1 times [2024-11-24 00:40:25,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:40:25,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591968545] [2024-11-24 00:40:25,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:40:25,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:40:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:40:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:40:30,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:40:30,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591968545] [2024-11-24 00:40:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591968545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:40:30,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:40:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 00:40:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270675529] [2024-11-24 00:40:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:40:30,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:40:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:40:30,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:40:30,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:40:30,350 INFO L87 Difference]: Start difference. First operand 1608 states and 2274 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:40:34,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:40:34,368 INFO L93 Difference]: Finished difference Result 3589 states and 5022 transitions. [2024-11-24 00:40:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:40:34,370 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:40:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:40:34,378 INFO L225 Difference]: With dead ends: 3589 [2024-11-24 00:40:34,378 INFO L226 Difference]: Without dead ends: 2150 [2024-11-24 00:40:34,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:40:34,383 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 335 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:40:34,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 996 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 00:40:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2024-11-24 00:40:34,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1666. [2024-11-24 00:40:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1351 states have (on average 1.3649148778682458) internal successors, (1844), 1376 states have internal predecessors, (1844), 254 states have call successors, (254), 60 states have call predecessors, (254), 60 states have return successors, (254), 229 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-24 00:40:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2352 transitions. [2024-11-24 00:40:34,615 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2352 transitions. Word has length 152 [2024-11-24 00:40:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:40:34,615 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2352 transitions. [2024-11-24 00:40:34,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:40:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2352 transitions. [2024-11-24 00:40:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:40:34,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:40:34,617 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:40:34,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 00:40:34,618 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:40:34,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:40:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2003414665, now seen corresponding path program 1 times [2024-11-24 00:40:34,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:40:34,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014802543] [2024-11-24 00:40:34,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:40:34,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:40:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:40:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:40:39,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:40:39,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014802543] [2024-11-24 00:40:39,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014802543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:40:39,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:40:39,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 00:40:39,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946056606] [2024-11-24 00:40:39,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:40:39,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:40:39,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:40:39,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:40:39,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:40:39,111 INFO L87 Difference]: Start difference. First operand 1666 states and 2352 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:40:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:40:42,140 INFO L93 Difference]: Finished difference Result 2120 states and 2938 transitions. [2024-11-24 00:40:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:40:42,141 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:40:42,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:40:42,150 INFO L225 Difference]: With dead ends: 2120 [2024-11-24 00:40:42,151 INFO L226 Difference]: Without dead ends: 2118 [2024-11-24 00:40:42,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:40:42,154 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 302 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:40:42,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 988 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:40:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2024-11-24 00:40:42,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1666. [2024-11-24 00:40:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1351 states have (on average 1.3649148778682458) internal successors, (1844), 1376 states have internal predecessors, (1844), 254 states have call successors, (254), 60 states have call predecessors, (254), 60 states have return successors, (254), 229 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-24 00:40:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2352 transitions. [2024-11-24 00:40:42,378 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2352 transitions. Word has length 152 [2024-11-24 00:40:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:40:42,378 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2352 transitions. [2024-11-24 00:40:42,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:40:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2352 transitions. [2024-11-24 00:40:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:40:42,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:40:42,381 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:40:42,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 00:40:42,381 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:40:42,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:40:42,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1609647219, now seen corresponding path program 1 times [2024-11-24 00:40:42,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:40:42,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469605736] [2024-11-24 00:40:42,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:40:42,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:40:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:40:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:40:49,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:40:49,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469605736] [2024-11-24 00:40:49,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469605736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:40:49,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:40:49,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 00:40:49,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990944771] [2024-11-24 00:40:49,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:40:49,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:40:49,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:40:49,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:40:49,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:40:49,097 INFO L87 Difference]: Start difference. First operand 1666 states and 2352 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:40:53,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:40:53,516 INFO L93 Difference]: Finished difference Result 2127 states and 2947 transitions. [2024-11-24 00:40:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:40:53,516 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:40:53,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:40:53,523 INFO L225 Difference]: With dead ends: 2127 [2024-11-24 00:40:53,523 INFO L226 Difference]: Without dead ends: 2125 [2024-11-24 00:40:53,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:40:53,524 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 261 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:40:53,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1185 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-24 00:40:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2024-11-24 00:40:53,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 1674. [2024-11-24 00:40:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1359 states have (on average 1.365710080941869) internal successors, (1856), 1384 states have internal predecessors, (1856), 254 states have call successors, (254), 60 states have call predecessors, (254), 60 states have return successors, (254), 229 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-24 00:40:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2364 transitions. [2024-11-24 00:40:53,777 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2364 transitions. Word has length 152 [2024-11-24 00:40:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:40:53,778 INFO L471 AbstractCegarLoop]: Abstraction has 1674 states and 2364 transitions. [2024-11-24 00:40:53,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:40:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2364 transitions. [2024-11-24 00:40:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:40:53,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:40:53,782 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:40:53,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 00:40:53,783 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:40:53,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:40:53,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1611494261, now seen corresponding path program 1 times [2024-11-24 00:40:53,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:40:53,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778115394] [2024-11-24 00:40:53,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:40:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:40:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:00,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:00,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778115394] [2024-11-24 00:41:00,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778115394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:00,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:00,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 00:41:00,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67359138] [2024-11-24 00:41:00,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:00,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:41:00,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:00,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:41:00,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:41:00,188 INFO L87 Difference]: Start difference. First operand 1674 states and 2364 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:02,830 INFO L93 Difference]: Finished difference Result 2125 states and 2944 transitions. [2024-11-24 00:41:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:41:02,831 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-24 00:41:02,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:02,839 INFO L225 Difference]: With dead ends: 2125 [2024-11-24 00:41:02,839 INFO L226 Difference]: Without dead ends: 2123 [2024-11-24 00:41:02,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:41:02,841 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 266 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:02,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 942 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 00:41:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-24 00:41:03,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1666. [2024-11-24 00:41:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1351 states have (on average 1.3649148778682458) internal successors, (1844), 1376 states have internal predecessors, (1844), 254 states have call successors, (254), 60 states have call predecessors, (254), 60 states have return successors, (254), 229 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-24 00:41:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2352 transitions. [2024-11-24 00:41:03,069 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2352 transitions. Word has length 152 [2024-11-24 00:41:03,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:03,070 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2352 transitions. [2024-11-24 00:41:03,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2352 transitions. [2024-11-24 00:41:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:41:03,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:03,072 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:03,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 00:41:03,072 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:03,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:03,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1933691319, now seen corresponding path program 1 times [2024-11-24 00:41:03,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:03,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114756078] [2024-11-24 00:41:03,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:03,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:03,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114756078] [2024-11-24 00:41:03,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114756078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:41:03,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255441817] [2024-11-24 00:41:03,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:03,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:41:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:03,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:41:03,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:41:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:03,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:41:03,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 481 proven. 33 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-24 00:41:03,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:03,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255441817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:41:03,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:41:03,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2024-11-24 00:41:03,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191860023] [2024-11-24 00:41:03,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:41:03,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:41:03,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:03,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:41:03,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:41:03,907 INFO L87 Difference]: Start difference. First operand 1666 states and 2352 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 5 states have call predecessors, (56), 5 states have call successors, (56) [2024-11-24 00:41:04,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:04,562 INFO L93 Difference]: Finished difference Result 2879 states and 3996 transitions. [2024-11-24 00:41:04,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:41:04,563 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 5 states have call predecessors, (56), 5 states have call successors, (56) Word has length 152 [2024-11-24 00:41:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:04,570 INFO L225 Difference]: With dead ends: 2879 [2024-11-24 00:41:04,570 INFO L226 Difference]: Without dead ends: 1274 [2024-11-24 00:41:04,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:41:04,574 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 366 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:04,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 353 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:41:04,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2024-11-24 00:41:04,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 916. [2024-11-24 00:41:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 690 states have (on average 1.2782608695652173) internal successors, (882), 694 states have internal predecessors, (882), 174 states have call successors, (174), 51 states have call predecessors, (174), 51 states have return successors, (174), 170 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-24 00:41:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1230 transitions. [2024-11-24 00:41:04,732 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1230 transitions. Word has length 152 [2024-11-24 00:41:04,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:04,732 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1230 transitions. [2024-11-24 00:41:04,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 5 states have call predecessors, (56), 5 states have call successors, (56) [2024-11-24 00:41:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1230 transitions. [2024-11-24 00:41:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:04,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:04,734 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:04,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:41:04,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-24 00:41:04,936 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:04,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:04,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1988630265, now seen corresponding path program 1 times [2024-11-24 00:41:04,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:04,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993640889] [2024-11-24 00:41:04,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:08,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:08,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993640889] [2024-11-24 00:41:08,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993640889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:08,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:08,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:41:08,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531503990] [2024-11-24 00:41:08,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:08,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:41:08,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:08,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:41:08,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:41:08,471 INFO L87 Difference]: Start difference. First operand 916 states and 1230 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:11,878 INFO L93 Difference]: Finished difference Result 1148 states and 1497 transitions. [2024-11-24 00:41:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:41:11,879 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2024-11-24 00:41:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:11,884 INFO L225 Difference]: With dead ends: 1148 [2024-11-24 00:41:11,884 INFO L226 Difference]: Without dead ends: 1146 [2024-11-24 00:41:11,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=229, Invalid=527, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:41:11,886 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 288 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:11,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 785 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 00:41:11,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-11-24 00:41:12,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 928. [2024-11-24 00:41:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 702 states have (on average 1.2806267806267806) internal successors, (899), 706 states have internal predecessors, (899), 174 states have call successors, (174), 51 states have call predecessors, (174), 51 states have return successors, (174), 170 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-24 00:41:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1247 transitions. [2024-11-24 00:41:12,057 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1247 transitions. Word has length 153 [2024-11-24 00:41:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:12,058 INFO L471 AbstractCegarLoop]: Abstraction has 928 states and 1247 transitions. [2024-11-24 00:41:12,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1247 transitions. [2024-11-24 00:41:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:12,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:12,059 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:12,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:41:12,060 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:12,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:12,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1986783223, now seen corresponding path program 1 times [2024-11-24 00:41:12,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:12,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738171490] [2024-11-24 00:41:12,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:12,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:14,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:14,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738171490] [2024-11-24 00:41:14,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738171490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:14,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:14,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:41:14,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165758003] [2024-11-24 00:41:14,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:14,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:41:14,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:14,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:41:14,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:41:14,974 INFO L87 Difference]: Start difference. First operand 928 states and 1247 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:16,262 INFO L93 Difference]: Finished difference Result 1146 states and 1495 transitions. [2024-11-24 00:41:16,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:41:16,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-24 00:41:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:16,267 INFO L225 Difference]: With dead ends: 1146 [2024-11-24 00:41:16,267 INFO L226 Difference]: Without dead ends: 1144 [2024-11-24 00:41:16,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:41:16,268 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 248 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:16,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 668 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:41:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2024-11-24 00:41:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 918. [2024-11-24 00:41:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 692 states have (on average 1.277456647398844) internal successors, (884), 696 states have internal predecessors, (884), 174 states have call successors, (174), 51 states have call predecessors, (174), 51 states have return successors, (174), 170 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-24 00:41:16,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1232 transitions. [2024-11-24 00:41:16,426 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1232 transitions. Word has length 153 [2024-11-24 00:41:16,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:16,427 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1232 transitions. [2024-11-24 00:41:16,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1232 transitions. [2024-11-24 00:41:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:16,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:16,428 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:16,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 00:41:16,429 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:16,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:16,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2066690588, now seen corresponding path program 1 times [2024-11-24 00:41:16,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:16,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690012845] [2024-11-24 00:41:16,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:16,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:16,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690012845] [2024-11-24 00:41:16,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690012845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:16,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:16,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:41:16,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336912320] [2024-11-24 00:41:16,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:16,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:41:16,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:16,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:41:16,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:41:16,542 INFO L87 Difference]: Start difference. First operand 918 states and 1232 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:17,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:17,044 INFO L93 Difference]: Finished difference Result 1728 states and 2308 transitions. [2024-11-24 00:41:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:41:17,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-24 00:41:17,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:17,050 INFO L225 Difference]: With dead ends: 1728 [2024-11-24 00:41:17,050 INFO L226 Difference]: Without dead ends: 1324 [2024-11-24 00:41:17,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:41:17,052 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 98 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:17,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 362 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:41:17,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2024-11-24 00:41:17,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1192. [2024-11-24 00:41:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 901 states have (on average 1.2774694783573808) internal successors, (1151), 907 states have internal predecessors, (1151), 226 states have call successors, (226), 64 states have call predecessors, (226), 64 states have return successors, (226), 220 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-24 00:41:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1603 transitions. [2024-11-24 00:41:17,237 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1603 transitions. Word has length 153 [2024-11-24 00:41:17,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:17,238 INFO L471 AbstractCegarLoop]: Abstraction has 1192 states and 1603 transitions. [2024-11-24 00:41:17,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1603 transitions. [2024-11-24 00:41:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:17,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:17,239 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:17,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 00:41:17,239 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:17,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:17,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1351007392, now seen corresponding path program 1 times [2024-11-24 00:41:17,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:17,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162379321] [2024-11-24 00:41:17,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:17,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:17,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:17,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162379321] [2024-11-24 00:41:17,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162379321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:17,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:17,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:41:17,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358538292] [2024-11-24 00:41:17,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:17,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:41:17,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:17,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:41:17,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:41:17,972 INFO L87 Difference]: Start difference. First operand 1192 states and 1603 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:19,442 INFO L93 Difference]: Finished difference Result 2847 states and 3780 transitions. [2024-11-24 00:41:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:41:19,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2024-11-24 00:41:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:19,450 INFO L225 Difference]: With dead ends: 2847 [2024-11-24 00:41:19,451 INFO L226 Difference]: Without dead ends: 1760 [2024-11-24 00:41:19,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:41:19,454 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 261 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:19,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 468 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:41:19,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-24 00:41:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1286. [2024-11-24 00:41:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 985 states have (on average 1.2751269035532995) internal successors, (1256), 991 states have internal predecessors, (1256), 226 states have call successors, (226), 74 states have call predecessors, (226), 74 states have return successors, (226), 220 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-24 00:41:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1708 transitions. [2024-11-24 00:41:19,736 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1708 transitions. Word has length 153 [2024-11-24 00:41:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:19,737 INFO L471 AbstractCegarLoop]: Abstraction has 1286 states and 1708 transitions. [2024-11-24 00:41:19,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1708 transitions. [2024-11-24 00:41:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:19,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:19,739 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:19,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 00:41:19,739 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:19,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:19,740 INFO L85 PathProgramCache]: Analyzing trace with hash 71143714, now seen corresponding path program 1 times [2024-11-24 00:41:19,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:19,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490547902] [2024-11-24 00:41:19,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:19,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:19,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490547902] [2024-11-24 00:41:19,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490547902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:19,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:19,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:41:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122293227] [2024-11-24 00:41:19,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:19,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:41:19,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:19,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:41:19,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:41:19,995 INFO L87 Difference]: Start difference. First operand 1286 states and 1708 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:20,421 INFO L93 Difference]: Finished difference Result 2904 states and 3873 transitions. [2024-11-24 00:41:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:41:20,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-24 00:41:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:20,428 INFO L225 Difference]: With dead ends: 2904 [2024-11-24 00:41:20,429 INFO L226 Difference]: Without dead ends: 1725 [2024-11-24 00:41:20,431 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 [2024-11-24 00:41:20,432 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 133 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:20,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 418 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:41:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-11-24 00:41:20,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1500. [2024-11-24 00:41:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1142 states have (on average 1.266199649737303) internal successors, (1446), 1148 states have internal predecessors, (1446), 270 states have call successors, (270), 87 states have call predecessors, (270), 87 states have return successors, (270), 264 states have call predecessors, (270), 270 states have call successors, (270) [2024-11-24 00:41:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1986 transitions. [2024-11-24 00:41:20,738 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1986 transitions. Word has length 153 [2024-11-24 00:41:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:20,739 INFO L471 AbstractCegarLoop]: Abstraction has 1500 states and 1986 transitions. [2024-11-24 00:41:20,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1986 transitions. [2024-11-24 00:41:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:20,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:20,741 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:20,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 00:41:20,741 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:20,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:20,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2144208567, now seen corresponding path program 1 times [2024-11-24 00:41:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:20,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704606487] [2024-11-24 00:41:20,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:20,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:20,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:20,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704606487] [2024-11-24 00:41:20,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704606487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:41:20,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088345775] [2024-11-24 00:41:20,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:20,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:41:20,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:20,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:41:20,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:41:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:21,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:41:21,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-24 00:41:21,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:21,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088345775] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:41:21,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:41:21,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2024-11-24 00:41:21,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064798872] [2024-11-24 00:41:21,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:41:21,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:41:21,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:21,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:41:21,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:41:21,702 INFO L87 Difference]: Start difference. First operand 1500 states and 1986 transitions. Second operand has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-11-24 00:41:23,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:23,463 INFO L93 Difference]: Finished difference Result 5093 states and 6741 transitions. [2024-11-24 00:41:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-24 00:41:23,464 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) Word has length 153 [2024-11-24 00:41:23,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:23,479 INFO L225 Difference]: With dead ends: 5093 [2024-11-24 00:41:23,479 INFO L226 Difference]: Without dead ends: 3676 [2024-11-24 00:41:23,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2024-11-24 00:41:23,483 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 569 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:23,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 774 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:41:23,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2024-11-24 00:41:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3376. [2024-11-24 00:41:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2569 states have (on average 1.2518489684702219) internal successors, (3216), 2594 states have internal predecessors, (3216), 602 states have call successors, (602), 204 states have call predecessors, (602), 204 states have return successors, (602), 577 states have call predecessors, (602), 602 states have call successors, (602) [2024-11-24 00:41:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4420 transitions. [2024-11-24 00:41:24,209 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4420 transitions. Word has length 153 [2024-11-24 00:41:24,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:24,210 INFO L471 AbstractCegarLoop]: Abstraction has 3376 states and 4420 transitions. [2024-11-24 00:41:24,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-11-24 00:41:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4420 transitions. [2024-11-24 00:41:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 00:41:24,211 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:24,211 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:24,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:41:24,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:41:24,412 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:24,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash 228316321, now seen corresponding path program 1 times [2024-11-24 00:41:24,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:24,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139574626] [2024-11-24 00:41:24,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:24,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:41:24,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666133362] [2024-11-24 00:41:24,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:24,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:41:24,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:24,477 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:41:24,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:41:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:41:24,650 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:41:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:41:24,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:41:24,858 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:41:24,860 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:41:24,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:41:25,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:41:25,067 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:25,235 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:41:25,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:41:25 BoogieIcfgContainer [2024-11-24 00:41:25,239 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:41:25,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:41:25,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:41:25,240 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:41:25,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:12" (3/4) ... [2024-11-24 00:41:25,244 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:41:25,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:41:25,245 INFO L158 Benchmark]: Toolchain (without parser) took 254164.51ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 92.5MB in the beginning and 641.2MB in the end (delta: -548.7MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. [2024-11-24 00:41:25,247 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:41:25,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.19ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:41:25,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.82ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:41:25,248 INFO L158 Benchmark]: Boogie Preprocessor took 95.66ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 69.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:41:25,248 INFO L158 Benchmark]: RCFGBuilder took 667.28ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 46.4MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:41:25,248 INFO L158 Benchmark]: TraceAbstraction took 252853.26ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 45.8MB in the beginning and 641.4MB in the end (delta: -595.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2024-11-24 00:41:25,248 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 805.3MB. Free memory was 641.4MB in the beginning and 641.2MB in the end (delta: 162.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:41:25,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.19ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.82ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 95.66ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 69.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 667.28ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 46.4MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 252853.26ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 45.8MB in the beginning and 641.4MB in the end (delta: -595.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 805.3MB. Free memory was 641.4MB in the beginning and 641.2MB in the end (delta: 162.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 178, overapproximation of someBinaryDOUBLEComparisonOperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 172. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] double var_1_39 = 3.6; [L46] double var_1_40 = 24.25; [L47] double var_1_41 = 31.25; [L48] unsigned long int var_1_42 = 10; [L49] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L182] isInitial = 1 [L183] FCALL initially() [L185] CALL updateLastVariables() [L175] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L185] RET updateLastVariables() [L186] CALL updateVariables() [L139] var_1_3 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L140] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] var_1_4 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] var_1_6 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L146] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L147] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L147] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L148] var_1_7 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L150] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L150] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L151] var_1_10 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L152] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L153] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L154] var_1_11 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L155] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L156] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L159] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L159] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L160] var_1_20 = __VERIFIER_nondet_short() [L161] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L161] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L162] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L163] var_1_21 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L164] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L165] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L166] var_1_29 = __VERIFIER_nondet_long() [L167] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L167] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L168] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L169] var_1_40 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L170] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_41=125/4, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L171] var_1_41 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L172] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L186] RET updateVariables() [L187] CALL step() [L53] COND TRUE var_1_11 > var_1_7 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L54] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L58] var_1_26 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L59] COND TRUE ((((-256) < 0 ) ? -(-256) : (-256))) < var_1_11 [L60] var_1_28 = (5 - (((((var_1_29) < 0 ) ? -(var_1_29) : (var_1_29))) - var_1_21)) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L64] COND TRUE var_1_10 > var_1_15 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L65] COND TRUE var_1_29 < var_1_15 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L66] COND TRUE var_1_29 <= (-64 & var_1_11) [L67] var_1_31 = ((((var_1_7) > (((((8) < (var_1_4)) ? (8) : (var_1_4))))) ? (var_1_7) : (((((8) < (var_1_4)) ? (8) : (var_1_4)))))) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=32, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L73] COND FALSE !(((((((((var_1_8) > (var_1_18)) ? (var_1_8) : (var_1_18)))) > (var_1_6)) ? (((((var_1_8) > (var_1_18)) ? (var_1_8) : (var_1_18)))) : (var_1_6))) > var_1_10) [L78] var_1_36 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=18/5, var_1_3=-8, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L80] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=10, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L81] COND FALSE !(var_1_11 <= (~ ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))))) [L92] var_1_42 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L94] signed char stepLocal_1 = var_1_6; [L95] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=127, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L96] COND FALSE !(-25 == stepLocal_1) [L101] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=65534] [L103] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=127, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=65534] [L104] COND TRUE var_1_8 >= stepLocal_2 [L105] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=65534] [L107] COND TRUE \read(var_1_12) [L108] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=65534] [L110] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=65534] [L111] COND TRUE \read(var_1_12) [L112] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L115] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=127, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L116] COND TRUE var_1_1 < stepLocal_4 [L117] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=25, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L121] COND TRUE \read(var_1_12) [L122] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L124] COND TRUE -64 > (var_1_6 + var_1_19) [L125] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=65407, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L133] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=65535, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=65407, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L134] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=65407, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=65407, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=65407, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=-2, var_1_12=1, var_1_14=0, var_1_15=65407, var_1_16=-16, var_1_18=0, var_1_19=-16129, var_1_1=0, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=127, var_1_28=-1073725435, var_1_29=-1073741823, var_1_31=127, var_1_36=127, var_1_39=2, var_1_3=-8, var_1_40=0, var_1_41=0, var_1_42=127, var_1_4=8, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 252.6s, OverallIterations: 32, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 70.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8858 SdHoareTripleChecker+Valid, 36.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8791 mSDsluCounter, 19588 SdHoareTripleChecker+Invalid, 33.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15221 mSDsCounter, 1249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17962 IncrementalHoareTripleChecker+Invalid, 19211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1249 mSolverCounterUnsat, 4367 mSDtfsCounter, 17962 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1412 GetRequests, 908 SyntacticMatches, 1 SemanticMatches, 503 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 53.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3376occurred in iteration=31, InterpolantAutomatonStates: 389, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 31 MinimizatonAttempts, 8489 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 172.2s InterpolantComputationTime, 5467 NumberOfCodeBlocks, 5467 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5428 ConstructedInterpolants, 0 QuantifiedInterpolants, 40505 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1090 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 36 InterpolantComputations, 29 PerfectInterpolantSequences, 33099/33264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:41:25,468 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-24 00:41:25,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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_a47fa381-14ec-4944-9b90-1de75bd91a77/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 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:41:27,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:41:28,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:41:28,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:41:28,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:41:28,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:41:28,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:41:28,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:41:28,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:41:28,160 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:41:28,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:41:28,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:41:28,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:41:28,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:41:28,161 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:41:28,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:41:28,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:41:28,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:41:28,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:41:28,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:41:28,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:41:28,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:41:28,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:41:28,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:41:28,163 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:41:28,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:41:28,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:41:28,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:41:28,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:28,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:41:28,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:41:28,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:41:28,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:41:28,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:28,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:41:28,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:41:28,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:41:28,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:41:28,165 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:41:28,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:41:28,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:41:28,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:41:28,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:41:28,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:41:28,166 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_a47fa381-14ec-4944-9b90-1de75bd91a77/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 -> 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 [2024-11-24 00:41:28,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:41:28,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:41:28,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:41:28,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:41:28,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:41:28,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-24 00:41:31,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/ec19338e8/e44c7d1a34134ff6be8fe452a2662a76/FLAG6887eb396 [2024-11-24 00:41:31,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:41:31,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-24 00:41:31,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/ec19338e8/e44c7d1a34134ff6be8fe452a2662a76/FLAG6887eb396 [2024-11-24 00:41:32,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/data/ec19338e8/e44c7d1a34134ff6be8fe452a2662a76 [2024-11-24 00:41:32,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:41:32,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:41:32,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:41:32,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:41:32,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:41:32,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c062379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32, skipping insertion in model container [2024-11-24 00:41:32,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:41:32,266 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_a47fa381-14ec-4944-9b90-1de75bd91a77/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-24 00:41:32,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:41:32,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:41:32,406 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_a47fa381-14ec-4944-9b90-1de75bd91a77/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-24 00:41:32,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:41:32,501 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:41:32,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32 WrapperNode [2024-11-24 00:41:32,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:41:32,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:41:32,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:41:32,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:41:32,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,555 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2024-11-24 00:41:32,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:41:32,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:41:32,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:41:32,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:41:32,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,576 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,592 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:41:32,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:41:32,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:41:32,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:41:32,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:41:32,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:32,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:32,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:41:32,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:41:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:41:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:41:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:41:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:41:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:41:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:41:32,797 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:41:32,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:41:33,425 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:41:33,426 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:41:33,438 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:41:33,440 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:41:33,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:33 BoogieIcfgContainer [2024-11-24 00:41:33,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:41:33,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:41:33,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:41:33,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:41:33,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:41:32" (1/3) ... [2024-11-24 00:41:33,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6234abf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:41:33, skipping insertion in model container [2024-11-24 00:41:33,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (2/3) ... [2024-11-24 00:41:33,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6234abf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:41:33, skipping insertion in model container [2024-11-24 00:41:33,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:33" (3/3) ... [2024-11-24 00:41:33,453 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-24 00:41:33,470 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:41:33,472 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:41:33,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:41:33,551 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;@26fbccd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:41:33,551 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:41:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:41:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:41:33,567 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:33,568 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:33,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:33,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:33,574 INFO L85 PathProgramCache]: Analyzing trace with hash 851425572, now seen corresponding path program 1 times [2024-11-24 00:41:33,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:33,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535729340] [2024-11-24 00:41:33,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:33,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:33,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:33,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:41:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:33,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:41:33,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-24 00:41:33,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:41:33,993 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:33,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535729340] [2024-11-24 00:41:33,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535729340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:33,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:33,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:41:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620530821] [2024-11-24 00:41:34,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:34,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:41:34,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:34,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:41:34,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:41:34,031 INFO L87 Difference]: Start difference. First operand has 82 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:34,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:34,075 INFO L93 Difference]: Finished difference Result 157 states and 274 transitions. [2024-11-24 00:41:34,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:41:34,078 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-24 00:41:34,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:34,086 INFO L225 Difference]: With dead ends: 157 [2024-11-24 00:41:34,086 INFO L226 Difference]: Without dead ends: 78 [2024-11-24 00:41:34,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:41:34,095 INFO L435 NwaCegarLoop]: 122 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, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:34,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:41:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-24 00:41:34,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-24 00:41:34,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:41:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 122 transitions. [2024-11-24 00:41:34,154 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 122 transitions. Word has length 150 [2024-11-24 00:41:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:34,155 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 122 transitions. [2024-11-24 00:41:34,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2024-11-24 00:41:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:41:34,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:34,162 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:34,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:41:34,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:34,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:34,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:34,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1371466408, now seen corresponding path program 1 times [2024-11-24 00:41:34,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:34,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602314966] [2024-11-24 00:41:34,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:34,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:34,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:34,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:34,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:41:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:34,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:41:34,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-24 00:41:35,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:36,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:36,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602314966] [2024-11-24 00:41:36,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602314966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:41:36,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1447777048] [2024-11-24 00:41:36,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:41:36,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:41:36,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:41:36,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 00:41:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:37,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:41:37,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-24 00:41:37,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:41:37,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1447777048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:37,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:41:37,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-24 00:41:37,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359660652] [2024-11-24 00:41:37,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:37,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:41:37,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:37,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:41:37,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:41:37,127 INFO L87 Difference]: Start difference. First operand 78 states and 122 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:37,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:37,471 INFO L93 Difference]: Finished difference Result 205 states and 321 transitions. [2024-11-24 00:41:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:41:37,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-24 00:41:37,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:37,477 INFO L225 Difference]: With dead ends: 205 [2024-11-24 00:41:37,478 INFO L226 Difference]: Without dead ends: 130 [2024-11-24 00:41:37,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:41:37,480 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 80 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:37,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 240 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:41:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-24 00:41:37,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-11-24 00:41:37,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 93 states have internal predecessors, (134), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:41:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 198 transitions. [2024-11-24 00:41:37,534 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 198 transitions. Word has length 150 [2024-11-24 00:41:37,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:37,538 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 198 transitions. [2024-11-24 00:41:37,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 00:41:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 198 transitions. [2024-11-24 00:41:37,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 00:41:37,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:37,543 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:37,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:41:37,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 00:41:37,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:41:37,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:37,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:37,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1794168234, now seen corresponding path program 1 times [2024-11-24 00:41:37,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:37,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615443547] [2024-11-24 00:41:37,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:37,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:37,953 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:37,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:41:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:38,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:41:38,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 481 proven. 33 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-24 00:41:38,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:39,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615443547] [2024-11-24 00:41:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615443547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:41:39,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:41:39,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-24 00:41:39,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617617429] [2024-11-24 00:41:39,021 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:41:39,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:41:39,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:39,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:41:39,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:41:39,027 INFO L87 Difference]: Start difference. First operand 127 states and 198 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-24 00:41:39,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:39,735 INFO L93 Difference]: Finished difference Result 206 states and 318 transitions. [2024-11-24 00:41:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:41:39,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 150 [2024-11-24 00:41:39,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:39,746 INFO L225 Difference]: With dead ends: 206 [2024-11-24 00:41:39,746 INFO L226 Difference]: Without dead ends: 82 [2024-11-24 00:41:39,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:41:39,750 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 125 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:39,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 195 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:41:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-24 00:41:39,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-24 00:41:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 55 states have internal predecessors, (73), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:41:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2024-11-24 00:41:39,771 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 150 [2024-11-24 00:41:39,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:39,772 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2024-11-24 00:41:39,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-24 00:41:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2024-11-24 00:41:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:41:39,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:39,776 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:39,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-24 00:41:39,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:39,980 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:39,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:39,981 INFO L85 PathProgramCache]: Analyzing trace with hash 708555252, now seen corresponding path program 1 times [2024-11-24 00:41:39,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:39,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112561857] [2024-11-24 00:41:39,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:39,983 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:39,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:39,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:39,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 00:41:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:40,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:41:40,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 463 proven. 24 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-24 00:41:40,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:40,839 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112561857] [2024-11-24 00:41:40,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112561857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:41:40,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:41:40,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-24 00:41:40,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790818682] [2024-11-24 00:41:40,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:41:40,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:41:40,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:40,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:41:40,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:41:40,842 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 00:41:41,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:41,345 INFO L93 Difference]: Finished difference Result 165 states and 238 transitions. [2024-11-24 00:41:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:41:41,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 151 [2024-11-24 00:41:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:41,351 INFO L225 Difference]: With dead ends: 165 [2024-11-24 00:41:41,351 INFO L226 Difference]: Without dead ends: 88 [2024-11-24 00:41:41,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:41:41,353 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 128 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:41,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 213 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:41:41,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-24 00:41:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2024-11-24 00:41:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.293103448275862) internal successors, (75), 58 states have internal predecessors, (75), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:41:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2024-11-24 00:41:41,368 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 151 [2024-11-24 00:41:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:41,369 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2024-11-24 00:41:41,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-24 00:41:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2024-11-24 00:41:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-24 00:41:41,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:41,372 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:41,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 00:41:41,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:41,576 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:41,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:41,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1096883082, now seen corresponding path program 1 times [2024-11-24 00:41:41,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:41,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211340141] [2024-11-24 00:41:41,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:41,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:41,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:41,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:41,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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 (7)] Waiting until timeout for monitored process [2024-11-24 00:41:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:41,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:41:41,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-24 00:41:42,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:43,044 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:43,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211340141] [2024-11-24 00:41:43,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211340141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:41:43,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2016150594] [2024-11-24 00:41:43,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:43,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:41:43,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:41:43,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:41:43,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 00:41:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:43,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:41:43,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-24 00:41:44,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:44,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2016150594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:41:44,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:41:44,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-24 00:41:44,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262038977] [2024-11-24 00:41:44,956 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:41:44,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:41:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:44,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:41:44,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:41:44,958 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:45,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:45,587 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2024-11-24 00:41:45,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:41:45,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-24 00:41:45,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:45,591 INFO L225 Difference]: With dead ends: 254 [2024-11-24 00:41:45,591 INFO L226 Difference]: Without dead ends: 173 [2024-11-24 00:41:45,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:41:45,593 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 58 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:45,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 397 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:41:45,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-24 00:41:45,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 167. [2024-11-24 00:41:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 115 states have (on average 1.2869565217391303) internal successors, (148), 115 states have internal predecessors, (148), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-24 00:41:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 236 transitions. [2024-11-24 00:41:45,630 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 236 transitions. Word has length 151 [2024-11-24 00:41:45,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:45,631 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 236 transitions. [2024-11-24 00:41:45,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:41:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 236 transitions. [2024-11-24 00:41:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-24 00:41:45,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:45,633 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:45,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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 (7)] Ended with exit code 0 [2024-11-24 00:41:45,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-24 00:41:46,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:41:46,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:46,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:46,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1761871723, now seen corresponding path program 1 times [2024-11-24 00:41:46,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:46,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848218828] [2024-11-24 00:41:46,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:46,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:46,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:46,043 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:46,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-24 00:41:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:46,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:41:46,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-24 00:41:46,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:41:47,253 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:41:47,253 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:47,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848218828] [2024-11-24 00:41:47,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848218828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:41:47,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:41:47,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-24 00:41:47,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680339730] [2024-11-24 00:41:47,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:41:47,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:41:47,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:47,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:41:47,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:41:47,257 INFO L87 Difference]: Start difference. First operand 167 states and 236 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-24 00:41:48,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:48,610 INFO L93 Difference]: Finished difference Result 396 states and 548 transitions. [2024-11-24 00:41:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:41:48,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 152 [2024-11-24 00:41:48,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:48,615 INFO L225 Difference]: With dead ends: 396 [2024-11-24 00:41:48,615 INFO L226 Difference]: Without dead ends: 232 [2024-11-24 00:41:48,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=185, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:41:48,617 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 438 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:48,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 270 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:41:48,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-24 00:41:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 217. [2024-11-24 00:41:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 143 states have (on average 1.2237762237762237) internal successors, (175), 144 states have internal predecessors, (175), 62 states have call successors, (62), 11 states have call predecessors, (62), 11 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-24 00:41:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 299 transitions. [2024-11-24 00:41:48,686 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 299 transitions. Word has length 152 [2024-11-24 00:41:48,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:48,687 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 299 transitions. [2024-11-24 00:41:48,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-24 00:41:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 299 transitions. [2024-11-24 00:41:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:41:48,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:48,693 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:48,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-24 00:41:48,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:48,894 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:48,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:48,895 INFO L85 PathProgramCache]: Analyzing trace with hash -793783231, now seen corresponding path program 1 times [2024-11-24 00:41:48,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:48,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049702002] [2024-11-24 00:41:48,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:48,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:41:48,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:48,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:41:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a47fa381-14ec-4944-9b90-1de75bd91a77/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 (10)] Waiting until timeout for monitored process [2024-11-24 00:41:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:49,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-24 00:41:49,327 INFO L279 TraceCheckSpWp]: Computing forward predicates...