./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1 --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 64bit --witnessprinter.graph.data.programhash f101c9f670424051cd8065375abf3569c944bebed10faf12f958054dc911cacc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:47:57,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:47:57,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:47:57,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:47:57,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:47:57,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:47:57,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:47:57,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:47:57,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:47:57,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:47:57,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:47:57,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:47:57,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:47:57,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:47:57,277 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:47:57,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:47:57,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:47:57,278 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:47:57,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:47:57,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:47:57,279 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:47:57,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:47:57,280 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_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f101c9f670424051cd8065375abf3569c944bebed10faf12f958054dc911cacc [2024-12-02 13:47:57,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:47:57,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:47:57,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:47:57,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:47:57,518 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:47:57,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-12-02 13:48:00,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/data/60bb3ddb7/26bf9ee1698b4e4f87a65de3376ac04a/FLAG07dd3409f [2024-12-02 13:48:00,503 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:48:00,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-12-02 13:48:00,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/data/60bb3ddb7/26bf9ee1698b4e4f87a65de3376ac04a/FLAG07dd3409f [2024-12-02 13:48:00,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/data/60bb3ddb7/26bf9ee1698b4e4f87a65de3376ac04a [2024-12-02 13:48:00,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:48:00,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:48:00,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:48:00,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:48:00,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:48:00,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:00" (1/1) ... [2024-12-02 13:48:00,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636ea7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:00, skipping insertion in model container [2024-12-02 13:48:00,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:00" (1/1) ... [2024-12-02 13:48:00,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:48:01,567 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_b5237c20-54eb-4998-a74f-9ad921bf002a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2024-12-02 13:48:01,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:48:01,682 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:48:01,858 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_b5237c20-54eb-4998-a74f-9ad921bf002a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2024-12-02 13:48:01,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:48:02,052 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:48:02,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02 WrapperNode [2024-12-02 13:48:02,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:48:02,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:48:02,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:48:02,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:48:02,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,250 INFO L138 Inliner]: procedures = 187, calls = 1895, calls flagged for inlining = 81, calls inlined = 78, statements flattened = 5230 [2024-12-02 13:48:02,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:48:02,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:48:02,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:48:02,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:48:02,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,287 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,642 INFO L175 MemorySlicer]: Split 1216 memory accesses to 14 slices as follows [777, 2, 23, 5, 93, 2, 48, 4, 2, 10, 30, 14, 10, 196]. 64 percent of accesses are in the largest equivalence class. The 224 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 4, 2, 10, 0, 0, 10, 196]. The 912 writes are split as follows [777, 0, 2, 0, 43, 0, 48, 0, 0, 0, 30, 12, 0, 0]. [2024-12-02 13:48:02,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:48:02,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:48:02,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:48:02,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:48:02,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (1/1) ... [2024-12-02 13:48:02,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:48:02,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:48:02,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:48:02,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:48:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2024-12-02 13:48:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 13:48:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:48:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2024-12-02 13:48:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:48:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:48:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2024-12-02 13:48:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:48:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 13:48:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-12-02 13:48:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:48:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_lm78_data [2024-12-02 13:48:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_lm78_data [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2024-12-02 13:48:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2024-12-02 13:48:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-12-02 13:48:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2024-12-02 13:48:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:48:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_read_value [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_read_value [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_unregister [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_unregister [2024-12-02 13:48:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_detect [2024-12-02 13:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_detect [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 13:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2024-12-02 13:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 13:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2024-12-02 13:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 13:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2024-12-02 13:48:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2024-12-02 13:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2024-12-02 13:48:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-12-02 13:48:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_write_value [2024-12-02 13:48:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_write_value [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-12-02 13:48:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2024-12-02 13:48:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 13:48:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-12-02 13:48:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-12-02 13:48:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-12-02 13:48:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 13:48:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_update_device [2024-12-02 13:48:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_update_device [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2024-12-02 13:48:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2024-12-02 13:48:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:48:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:48:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:48:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 13:48:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 13:48:03,479 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:48:03,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:48:03,561 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:48:18,469 INFO L? ?]: Removed 1367 outVars from TransFormulas that were not future-live. [2024-12-02 13:48:18,469 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:48:18,497 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:48:18,497 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-12-02 13:48:18,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:18 BoogieIcfgContainer [2024-12-02 13:48:18,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:48:18,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:48:18,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:48:18,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:48:18,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:48:00" (1/3) ... [2024-12-02 13:48:18,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd074a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:18, skipping insertion in model container [2024-12-02 13:48:18,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:02" (2/3) ... [2024-12-02 13:48:18,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd074a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:18, skipping insertion in model container [2024-12-02 13:48:18,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:18" (3/3) ... [2024-12-02 13:48:18,505 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-12-02 13:48:18,515 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:48:18,517 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i that has 41 procedures, 1405 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2024-12-02 13:48:18,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:48:18,595 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;@28e4bec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:48:18,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:48:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 1404 states, 948 states have (on average 1.4018987341772151) internal successors, (1329), 1006 states have internal predecessors, (1329), 415 states have call successors, (415), 40 states have call predecessors, (415), 39 states have return successors, (366), 366 states have call predecessors, (366), 366 states have call successors, (366) [2024-12-02 13:48:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2077 [2024-12-02 13:48:18,695 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:48:18,697 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:48:18,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:48:18,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:48:18,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1028078796, now seen corresponding path program 1 times [2024-12-02 13:48:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:48:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244397012] [2024-12-02 13:48:18,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:48:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:48:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:48:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 98754 trivial. 0 not checked. [2024-12-02 13:48:52,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:48:52,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244397012] [2024-12-02 13:48:52,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244397012] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:48:52,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751152299] [2024-12-02 13:48:52,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:48:52,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:48:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:48:52,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:48:52,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:49:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:49:29,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 18735 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:49:29,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:49:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 1062 proven. 0 refuted. 0 times theorem prover too weak. 98282 trivial. 0 not checked. [2024-12-02 13:49:29,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:49:29,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751152299] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:49:29,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:49:29,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:49:29,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118366984] [2024-12-02 13:49:29,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:49:29,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:49:29,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:49:29,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:49:29,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:49:29,672 INFO L87 Difference]: Start difference. First operand has 1404 states, 948 states have (on average 1.4018987341772151) internal successors, (1329), 1006 states have internal predecessors, (1329), 415 states have call successors, (415), 40 states have call predecessors, (415), 39 states have return successors, (366), 366 states have call predecessors, (366), 366 states have call successors, (366) Second operand has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 2 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (145), 2 states have call predecessors, (145), 2 states have call successors, (145) [2024-12-02 13:49:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:49:29,793 INFO L93 Difference]: Finished difference Result 2803 states and 4474 transitions. [2024-12-02 13:49:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:49:29,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 2 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (145), 2 states have call predecessors, (145), 2 states have call successors, (145) Word has length 2076 [2024-12-02 13:49:29,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:49:29,811 INFO L225 Difference]: With dead ends: 2803 [2024-12-02 13:49:29,811 INFO L226 Difference]: Without dead ends: 1348 [2024-12-02 13:49:29,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2077 GetRequests, 2077 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:49:29,823 INFO L435 NwaCegarLoop]: 2100 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, 2100 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 [2024-12-02 13:49:29,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:49:29,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2024-12-02 13:49:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1348. [2024-12-02 13:49:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 943 states have (on average 1.346765641569459) internal successors, (1270), 950 states have internal predecessors, (1270), 366 states have call successors, (366), 39 states have call predecessors, (366), 38 states have return successors, (361), 361 states have call predecessors, (361), 361 states have call successors, (361) [2024-12-02 13:49:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1997 transitions. [2024-12-02 13:49:29,955 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1997 transitions. Word has length 2076 [2024-12-02 13:49:29,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:49:29,956 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1997 transitions. [2024-12-02 13:49:29,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 2 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (145), 2 states have call predecessors, (145), 2 states have call successors, (145) [2024-12-02 13:49:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1997 transitions. [2024-12-02 13:49:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2076 [2024-12-02 13:49:30,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:49:30,012 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:49:30,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:49:30,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5237c20-54eb-4998-a74f-9ad921bf002a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:49:30,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:49:30,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:49:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1105929476, now seen corresponding path program 1 times [2024-12-02 13:49:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:49:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414496729] [2024-12-02 13:49:30,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:49:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:50:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:05,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414496729] [2024-12-02 13:50:05,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414496729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:05,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:50:05,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:50:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787658743] [2024-12-02 13:50:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:06,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:50:06,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:06,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:50:06,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:50:06,011 INFO L87 Difference]: Start difference. First operand 1348 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:50:06,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:06,492 INFO L93 Difference]: Finished difference Result 3457 states and 5119 transitions. [2024-12-02 13:50:06,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:50:06,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2075 [2024-12-02 13:50:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:06,525 INFO L225 Difference]: With dead ends: 3457 [2024-12-02 13:50:06,525 INFO L226 Difference]: Without dead ends: 2397 [2024-12-02 13:50:06,530 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 [2024-12-02 13:50:06,531 INFO L435 NwaCegarLoop]: 1996 mSDtfsCounter, 1973 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 3559 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:06,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 3559 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:50:06,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-12-02 13:50:06,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2381. [2024-12-02 13:50:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1721 states have (on average 1.3765252760023243) internal successors, (2369), 1733 states have internal predecessors, (2369), 584 states have call successors, (584), 76 states have call predecessors, (584), 75 states have return successors, (579), 577 states have call predecessors, (579), 579 states have call successors, (579) [2024-12-02 13:50:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3532 transitions. [2024-12-02 13:50:06,690 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3532 transitions. Word has length 2075 [2024-12-02 13:50:06,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:06,694 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3532 transitions. [2024-12-02 13:50:06,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:50:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3532 transitions. [2024-12-02 13:50:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2076 [2024-12-02 13:50:06,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:06,728 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:06,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:50:06,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:06,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:06,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1974640921, now seen corresponding path program 1 times [2024-12-02 13:50:06,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:06,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470069908] [2024-12-02 13:50:06,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:06,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:50:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470069908] [2024-12-02 13:50:43,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470069908] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:43,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:50:43,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:50:43,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438476402] [2024-12-02 13:50:43,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:43,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:50:43,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:43,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:50:43,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:50:43,869 INFO L87 Difference]: Start difference. First operand 2381 states and 3532 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:50:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:44,292 INFO L93 Difference]: Finished difference Result 6542 states and 9703 transitions. [2024-12-02 13:50:44,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:50:44,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2075 [2024-12-02 13:50:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:44,325 INFO L225 Difference]: With dead ends: 6542 [2024-12-02 13:50:44,325 INFO L226 Difference]: Without dead ends: 4449 [2024-12-02 13:50:44,335 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 [2024-12-02 13:50:44,336 INFO L435 NwaCegarLoop]: 2006 mSDtfsCounter, 1965 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:44,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 3569 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:50:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2024-12-02 13:50:44,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4433. [2024-12-02 13:50:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4433 states, 3266 states have (on average 1.3934476423759952) internal successors, (4551), 3288 states have internal predecessors, (4551), 1017 states have call successors, (1017), 150 states have call predecessors, (1017), 149 states have return successors, (1012), 1006 states have call predecessors, (1012), 1012 states have call successors, (1012) [2024-12-02 13:50:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4433 states to 4433 states and 6580 transitions. [2024-12-02 13:50:44,572 INFO L78 Accepts]: Start accepts. Automaton has 4433 states and 6580 transitions. Word has length 2075 [2024-12-02 13:50:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:44,575 INFO L471 AbstractCegarLoop]: Abstraction has 4433 states and 6580 transitions. [2024-12-02 13:50:44,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:50:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 4433 states and 6580 transitions. [2024-12-02 13:50:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2075 [2024-12-02 13:50:44,606 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:44,607 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:44,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:50:44,607 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:44,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:44,608 INFO L85 PathProgramCache]: Analyzing trace with hash 807764599, now seen corresponding path program 1 times [2024-12-02 13:50:44,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:44,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969498079] [2024-12-02 13:50:44,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:51:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:51:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:51:19,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:51:19,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969498079] [2024-12-02 13:51:19,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969498079] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:51:19,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:51:19,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:51:19,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071577343] [2024-12-02 13:51:19,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:51:19,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:51:19,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:51:19,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:51:19,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:51:19,630 INFO L87 Difference]: Start difference. First operand 4433 states and 6580 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:51:19,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:51:19,951 INFO L93 Difference]: Finished difference Result 12694 states and 18841 transitions. [2024-12-02 13:51:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:51:19,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2074 [2024-12-02 13:51:19,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:51:19,987 INFO L225 Difference]: With dead ends: 12694 [2024-12-02 13:51:19,987 INFO L226 Difference]: Without dead ends: 8549 [2024-12-02 13:51:20,001 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 [2024-12-02 13:51:20,002 INFO L435 NwaCegarLoop]: 2022 mSDtfsCounter, 1974 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 3585 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:51:20,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 3585 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:51:20,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2024-12-02 13:51:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 8533. [2024-12-02 13:51:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8533 states, 6352 states have (on average 1.402235516372796) internal successors, (8907), 6394 states have internal predecessors, (8907), 1883 states have call successors, (1883), 298 states have call predecessors, (1883), 297 states have return successors, (1878), 1864 states have call predecessors, (1878), 1878 states have call successors, (1878) [2024-12-02 13:51:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8533 states to 8533 states and 12668 transitions. [2024-12-02 13:51:20,279 INFO L78 Accepts]: Start accepts. Automaton has 8533 states and 12668 transitions. Word has length 2074 [2024-12-02 13:51:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:51:20,281 INFO L471 AbstractCegarLoop]: Abstraction has 8533 states and 12668 transitions. [2024-12-02 13:51:20,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:51:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 8533 states and 12668 transitions. [2024-12-02 13:51:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2077 [2024-12-02 13:51:20,303 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:51:20,304 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:51:20,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:51:20,304 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:51:20,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:51:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash 901944762, now seen corresponding path program 1 times [2024-12-02 13:51:20,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:51:20,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908570303] [2024-12-02 13:51:20,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:51:20,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:51:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:51:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:51:54,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:51:54,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908570303] [2024-12-02 13:51:54,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908570303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:51:54,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:51:54,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:51:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463897894] [2024-12-02 13:51:54,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:51:54,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:51:54,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:51:54,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:51:54,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:51:54,369 INFO L87 Difference]: Start difference. First operand 8533 states and 12668 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:51:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:51:54,918 INFO L93 Difference]: Finished difference Result 24970 states and 37069 transitions. [2024-12-02 13:51:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:51:54,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2076 [2024-12-02 13:51:54,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:51:54,993 INFO L225 Difference]: With dead ends: 24970 [2024-12-02 13:51:54,993 INFO L226 Difference]: Without dead ends: 16725 [2024-12-02 13:51:55,019 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 [2024-12-02 13:51:55,020 INFO L435 NwaCegarLoop]: 2032 mSDtfsCounter, 1972 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 3595 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:51:55,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 3595 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:51:55,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16725 states. [2024-12-02 13:51:55,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16725 to 16709. [2024-12-02 13:51:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16709 states, 12504 states have (on average 1.4065099168266155) internal successors, (17587), 12586 states have internal predecessors, (17587), 3611 states have call successors, (3611), 594 states have call predecessors, (3611), 593 states have return successors, (3606), 3576 states have call predecessors, (3606), 3606 states have call successors, (3606) [2024-12-02 13:51:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16709 states to 16709 states and 24804 transitions. [2024-12-02 13:51:55,485 INFO L78 Accepts]: Start accepts. Automaton has 16709 states and 24804 transitions. Word has length 2076 [2024-12-02 13:51:55,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:51:55,486 INFO L471 AbstractCegarLoop]: Abstraction has 16709 states and 24804 transitions. [2024-12-02 13:51:55,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:51:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 16709 states and 24804 transitions. [2024-12-02 13:51:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2075 [2024-12-02 13:51:55,505 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:51:55,505 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:51:55,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:51:55,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:51:55,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:51:55,506 INFO L85 PathProgramCache]: Analyzing trace with hash -785855650, now seen corresponding path program 1 times [2024-12-02 13:51:55,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:51:55,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128717632] [2024-12-02 13:51:55,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:51:55,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:52:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:52:28,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:52:28,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128717632] [2024-12-02 13:52:28,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128717632] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:52:28,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:52:28,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:52:28,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525710006] [2024-12-02 13:52:28,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:52:28,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:52:28,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:52:28,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:52:28,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:52:28,107 INFO L87 Difference]: Start difference. First operand 16709 states and 24804 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:52:28,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:52:28,727 INFO L93 Difference]: Finished difference Result 49386 states and 73293 transitions. [2024-12-02 13:52:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:52:28,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2074 [2024-12-02 13:52:28,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:52:28,898 INFO L225 Difference]: With dead ends: 49386 [2024-12-02 13:52:28,898 INFO L226 Difference]: Without dead ends: 32965 [2024-12-02 13:52:28,966 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 [2024-12-02 13:52:28,966 INFO L435 NwaCegarLoop]: 2028 mSDtfsCounter, 1968 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:52:28,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 3588 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:52:28,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32965 states. [2024-12-02 13:52:30,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32965 to 32949. [2024-12-02 13:52:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32949 states, 24720 states have (on average 1.407888349514563) internal successors, (34803), 24882 states have internal predecessors, (34803), 7043 states have call successors, (7043), 1186 states have call predecessors, (7043), 1185 states have return successors, (7038), 6976 states have call predecessors, (7038), 7038 states have call successors, (7038) [2024-12-02 13:52:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32949 states to 32949 states and 48884 transitions. [2024-12-02 13:52:30,291 INFO L78 Accepts]: Start accepts. Automaton has 32949 states and 48884 transitions. Word has length 2074 [2024-12-02 13:52:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:52:30,292 INFO L471 AbstractCegarLoop]: Abstraction has 32949 states and 48884 transitions. [2024-12-02 13:52:30,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:52:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 32949 states and 48884 transitions. [2024-12-02 13:52:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2080 [2024-12-02 13:52:30,311 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:52:30,311 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:30,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:52:30,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:52:30,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:30,312 INFO L85 PathProgramCache]: Analyzing trace with hash 245470876, now seen corresponding path program 1 times [2024-12-02 13:52:30,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:52:30,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752170905] [2024-12-02 13:52:30,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:30,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:53:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:53:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:53:02,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:53:02,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752170905] [2024-12-02 13:53:02,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752170905] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:53:02,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:53:02,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:53:02,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981972048] [2024-12-02 13:53:02,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:53:02,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:53:02,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:53:02,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:53:02,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:53:02,967 INFO L87 Difference]: Start difference. First operand 32949 states and 48884 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:53:04,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:53:04,052 INFO L93 Difference]: Finished difference Result 97848 states and 145115 transitions. [2024-12-02 13:53:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:53:04,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2079 [2024-12-02 13:53:04,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:53:04,282 INFO L225 Difference]: With dead ends: 97848 [2024-12-02 13:53:04,282 INFO L226 Difference]: Without dead ends: 65187 [2024-12-02 13:53:04,393 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 [2024-12-02 13:53:04,394 INFO L435 NwaCegarLoop]: 2059 mSDtfsCounter, 1956 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:53:04,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 3619 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:53:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65187 states. [2024-12-02 13:53:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65187 to 65109. [2024-12-02 13:53:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65109 states, 48928 states have (on average 1.408825212557227) internal successors, (68931), 49250 states have internal predecessors, (68931), 13811 states have call successors, (13811), 2370 states have call predecessors, (13811), 2369 states have return successors, (13806), 13680 states have call predecessors, (13806), 13806 states have call successors, (13806) [2024-12-02 13:53:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65109 states to 65109 states and 96548 transitions. [2024-12-02 13:53:06,041 INFO L78 Accepts]: Start accepts. Automaton has 65109 states and 96548 transitions. Word has length 2079 [2024-12-02 13:53:06,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:53:06,043 INFO L471 AbstractCegarLoop]: Abstraction has 65109 states and 96548 transitions. [2024-12-02 13:53:06,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:53:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 65109 states and 96548 transitions. [2024-12-02 13:53:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2083 [2024-12-02 13:53:06,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:53:06,064 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:53:06,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:53:06,064 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:53:06,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:53:06,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1767513724, now seen corresponding path program 1 times [2024-12-02 13:53:06,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:53:06,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987460125] [2024-12-02 13:53:06,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:53:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:53:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:53:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:53:40,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:53:40,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987460125] [2024-12-02 13:53:40,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987460125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:53:40,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:53:40,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:53:40,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714000058] [2024-12-02 13:53:40,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:53:40,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:53:40,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:53:40,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:53:40,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:53:40,619 INFO L87 Difference]: Start difference. First operand 65109 states and 96548 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:53:42,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:53:42,859 INFO L93 Difference]: Finished difference Result 193560 states and 286955 transitions. [2024-12-02 13:53:42,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:53:42,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2082 [2024-12-02 13:53:42,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:53:43,289 INFO L225 Difference]: With dead ends: 193560 [2024-12-02 13:53:43,289 INFO L226 Difference]: Without dead ends: 128739 [2024-12-02 13:53:43,477 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 [2024-12-02 13:53:43,477 INFO L435 NwaCegarLoop]: 2076 mSDtfsCounter, 1942 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:53:43,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 3636 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:53:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128739 states. [2024-12-02 13:53:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128739 to 128597. [2024-12-02 13:53:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128597 states, 96768 states have (on average 1.410083912037037) internal successors, (136451), 97410 states have internal predecessors, (136451), 27091 states have call successors, (27091), 4738 states have call predecessors, (27091), 4737 states have return successors, (27086), 26832 states have call predecessors, (27086), 27086 states have call successors, (27086) [2024-12-02 13:53:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128597 states to 128597 states and 190628 transitions. [2024-12-02 13:53:47,012 INFO L78 Accepts]: Start accepts. Automaton has 128597 states and 190628 transitions. Word has length 2082 [2024-12-02 13:53:47,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:53:47,013 INFO L471 AbstractCegarLoop]: Abstraction has 128597 states and 190628 transitions. [2024-12-02 13:53:47,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:53:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 128597 states and 190628 transitions. [2024-12-02 13:53:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2080 [2024-12-02 13:53:47,048 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:53:47,049 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:53:47,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:53:47,049 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:53:47,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:53:47,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1830509486, now seen corresponding path program 1 times [2024-12-02 13:53:47,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:53:47,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964455540] [2024-12-02 13:53:47,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:53:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:54:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:54:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:54:23,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:54:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964455540] [2024-12-02 13:54:23,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964455540] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:54:23,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:54:23,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:54:23,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137347779] [2024-12-02 13:54:23,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:54:23,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:54:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:54:23,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:54:23,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:54:23,697 INFO L87 Difference]: Start difference. First operand 128597 states and 190628 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:54:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:54:29,429 INFO L93 Difference]: Finished difference Result 384344 states and 569707 transitions. [2024-12-02 13:54:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:54:29,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2079 [2024-12-02 13:54:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:54:30,284 INFO L225 Difference]: With dead ends: 384344 [2024-12-02 13:54:30,285 INFO L226 Difference]: Without dead ends: 256035 [2024-12-02 13:54:30,618 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 [2024-12-02 13:54:30,619 INFO L435 NwaCegarLoop]: 2093 mSDtfsCounter, 1962 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:54:30,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 3656 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:54:30,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256035 states. [2024-12-02 13:54:38,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256035 to 255957. [2024-12-02 13:54:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255957 states, 192640 states have (on average 1.4099823504983389) internal successors, (271619), 193922 states have internal predecessors, (271619), 53843 states have call successors, (53843), 9474 states have call predecessors, (53843), 9473 states have return successors, (53838), 53328 states have call predecessors, (53838), 53838 states have call successors, (53838) [2024-12-02 13:54:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255957 states to 255957 states and 379300 transitions. [2024-12-02 13:54:40,735 INFO L78 Accepts]: Start accepts. Automaton has 255957 states and 379300 transitions. Word has length 2079 [2024-12-02 13:54:40,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:54:40,738 INFO L471 AbstractCegarLoop]: Abstraction has 255957 states and 379300 transitions. [2024-12-02 13:54:40,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:54:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 255957 states and 379300 transitions. [2024-12-02 13:54:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2085 [2024-12-02 13:54:40,859 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:54:40,860 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:54:40,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:54:40,861 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:54:40,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:54:40,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1820237792, now seen corresponding path program 1 times [2024-12-02 13:54:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:54:40,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363327878] [2024-12-02 13:54:40,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:54:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:55:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:55:19,934 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:55:19,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:55:19,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363327878] [2024-12-02 13:55:19,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363327878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:55:19,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:55:19,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:55:19,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856157405] [2024-12-02 13:55:19,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:55:19,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:55:19,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:55:19,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:55:19,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:55:19,938 INFO L87 Difference]: Start difference. First operand 255957 states and 379300 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:55:31,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:55:31,797 INFO L93 Difference]: Finished difference Result 762520 states and 1130027 transitions. [2024-12-02 13:55:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:55:31,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2084 [2024-12-02 13:55:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:55:34,813 INFO L225 Difference]: With dead ends: 762520 [2024-12-02 13:55:34,813 INFO L226 Difference]: Without dead ends: 506851 [2024-12-02 13:55:35,998 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 [2024-12-02 13:55:35,999 INFO L435 NwaCegarLoop]: 2103 mSDtfsCounter, 1932 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:55:36,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 3666 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:55:36,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506851 states. [2024-12-02 13:55:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506851 to 506325. [2024-12-02 13:55:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506325 states, 381568 states have (on average 1.4119501635357263) internal successors, (538755), 384130 states have internal predecessors, (538755), 105811 states have call successors, (105811), 18946 states have call predecessors, (105811), 18945 states have return successors, (105806), 104784 states have call predecessors, (105806), 105806 states have call successors, (105806) [2024-12-02 13:55:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506325 states to 506325 states and 750372 transitions. [2024-12-02 13:55:57,641 INFO L78 Accepts]: Start accepts. Automaton has 506325 states and 750372 transitions. Word has length 2084 [2024-12-02 13:55:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:55:57,644 INFO L471 AbstractCegarLoop]: Abstraction has 506325 states and 750372 transitions. [2024-12-02 13:55:57,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:55:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 506325 states and 750372 transitions. [2024-12-02 13:55:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2086 [2024-12-02 13:55:57,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:55:57,802 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:55:57,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:55:57,802 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:55:57,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:55:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1214729644, now seen corresponding path program 1 times [2024-12-02 13:55:57,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:55:57,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253033223] [2024-12-02 13:55:57,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:55:57,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:56:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:56:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:56:36,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:56:36,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253033223] [2024-12-02 13:56:36,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253033223] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:56:36,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:56:36,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:56:36,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65624822] [2024-12-02 13:56:36,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:56:36,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:56:36,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:56:36,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:56:36,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:56:36,453 INFO L87 Difference]: Start difference. First operand 506325 states and 750372 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:57:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:57:00,783 INFO L93 Difference]: Finished difference Result 1496216 states and 2216363 transitions. [2024-12-02 13:57:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:57:00,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) Word has length 2085 [2024-12-02 13:57:00,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:57:05,612 INFO L225 Difference]: With dead ends: 1496216 [2024-12-02 13:57:05,612 INFO L226 Difference]: Without dead ends: 990179 [2024-12-02 13:57:07,380 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 [2024-12-02 13:57:07,381 INFO L435 NwaCegarLoop]: 2113 mSDtfsCounter, 1881 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:57:07,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 3673 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:57:07,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990179 states. [2024-12-02 13:57:37,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990179 to 989141. [2024-12-02 13:57:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989141 states, 748416 states have (on average 1.4152596951428082) internal successors, (1059203), 753538 states have internal predecessors, (1059203), 202835 states have call successors, (202835), 37890 states have call predecessors, (202835), 37889 states have return successors, (202830), 200784 states have call predecessors, (202830), 202830 states have call successors, (202830) [2024-12-02 13:57:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989141 states to 989141 states and 1464868 transitions. [2024-12-02 13:57:44,921 INFO L78 Accepts]: Start accepts. Automaton has 989141 states and 1464868 transitions. Word has length 2085 [2024-12-02 13:57:44,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:57:44,923 INFO L471 AbstractCegarLoop]: Abstraction has 989141 states and 1464868 transitions. [2024-12-02 13:57:44,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143) [2024-12-02 13:57:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 989141 states and 1464868 transitions. [2024-12-02 13:57:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2085 [2024-12-02 13:57:44,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:57:44,943 INFO L218 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:57:44,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:57:44,944 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:57:44,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:57:44,944 INFO L85 PathProgramCache]: Analyzing trace with hash -916736968, now seen corresponding path program 1 times [2024-12-02 13:57:44,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:57:44,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608960554] [2024-12-02 13:57:44,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:57:44,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:58:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:58:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-12-02 13:58:23,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:58:23,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608960554] [2024-12-02 13:58:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608960554] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:58:23,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:58:23,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:58:23,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823454012] [2024-12-02 13:58:23,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:58:23,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:58:23,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:58:23,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:58:23,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:58:23,118 INFO L87 Difference]: Start difference. First operand 989141 states and 1464868 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (143), 2 states have call predecessors, (143), 2 states have call successors, (143)