./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_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/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_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB --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 [2024-11-28 02:56:42,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:56:42,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:56:42,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:56:42,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:56:42,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:56:42,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:56:42,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:56:42,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:56:42,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:56:42,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:56:42,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:56:42,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:56:42,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:56:42,901 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:56:42,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:56:42,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:56:42,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:56:42,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:56:42,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:56:42,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:56:42,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:56:42,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:56:42,902 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:56:42,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:56:42,903 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:56:42,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:42,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:56:42,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:42,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:42,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:56:42,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:42,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:56:42,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:42,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:42,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:56:42,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:56:42,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:56:42,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:56:42,906 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_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 02:56:43,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:56:43,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:56:43,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:56:43,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:56:43,248 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:56:43,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-11-28 02:56:46,378 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/data/3fc5bb790/c650cb8bf7f8450b83bc99875d8a6a57/FLAGfca63ba15 [2024-11-28 02:56:46,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:56:46,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-11-28 02:56:47,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/data/3fc5bb790/c650cb8bf7f8450b83bc99875d8a6a57/FLAGfca63ba15 [2024-11-28 02:56:47,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/data/3fc5bb790/c650cb8bf7f8450b83bc99875d8a6a57 [2024-11-28 02:56:47,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:56:47,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:56:47,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:47,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:56:47,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:56:47,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:47" (1/1) ... [2024-11-28 02:56:47,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735dafa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:47, skipping insertion in model container [2024-11-28 02:56:47,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:47" (1/1) ... [2024-11-28 02:56:47,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:56:48,606 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_d4459a1b-09b3-46b4-a74f-c2ee953182eb/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] [2024-11-28 02:56:48,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:48,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:56:49,177 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_d4459a1b-09b3-46b4-a74f-c2ee953182eb/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] [2024-11-28 02:56:49,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:49,468 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:56:49,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49 WrapperNode [2024-11-28 02:56:49,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:49,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:49,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:56:49,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:56:49,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:49,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:49,804 INFO L138 Inliner]: procedures = 187, calls = 1895, calls flagged for inlining = 81, calls inlined = 78, statements flattened = 5230 [2024-11-28 02:56:49,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:49,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:56:49,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:56:49,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:56:49,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:49,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:49,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,356 INFO L175 MemorySlicer]: Split 1216 memory accesses to 14 slices as follows [23, 777, 2, 5, 93, 48, 4, 2, 2, 10, 30, 10, 14, 196]. 64 percent of accesses are in the largest equivalence class. The 224 initializations are split as follows [0, 0, 2, 0, 0, 0, 4, 0, 2, 10, 0, 10, 0, 196]. The 912 writes are split as follows [2, 777, 0, 0, 43, 48, 0, 0, 0, 0, 30, 0, 12, 0]. [2024-11-28 02:56:50,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:56:50,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:56:50,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:56:50,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:56:50,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (1/1) ... [2024-11-28 02:56:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:50,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:56:50,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:56:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2024-11-28 02:56:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2024-11-28 02:56:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-28 02:56:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-28 02:56:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:56:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:56:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2024-11-28 02:56:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:56:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:56:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2024-11-28 02:56:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:56:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:56:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:56:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:56:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:56:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:56:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-11-28 02:56:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-11-28 02:56:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:56:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:56:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_lm78_data [2024-11-28 02:56:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_lm78_data [2024-11-28 02:56:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2024-11-28 02:56:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2024-11-28 02:56:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-11-28 02:56:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2024-11-28 02:56:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:56:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:56:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 02:56:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 02:56:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 02:56:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 02:56:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-28 02:56:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-28 02:56:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_read_value [2024-11-28 02:56:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_read_value [2024-11-28 02:56:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:56:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:56:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2024-11-28 02:56:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2024-11-28 02:56:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2024-11-28 02:56:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2024-11-28 02:56:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_unregister [2024-11-28 02:56:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_unregister [2024-11-28 02:56:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_detect [2024-11-28 02:56:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_detect [2024-11-28 02:56:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 02:56:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 02:56:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:56:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:56:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2024-11-28 02:56:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2024-11-28 02:56:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:56:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 02:56:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 02:56:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2024-11-28 02:56:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 02:56:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:56:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2024-11-28 02:56:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2024-11-28 02:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2024-11-28 02:56:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2024-11-28 02:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-11-28 02:56:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-11-28 02:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_write_value [2024-11-28 02:56:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_write_value [2024-11-28 02:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-28 02:56:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-28 02:56:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2024-11-28 02:56:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2024-11-28 02:56:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:56:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:56:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:56:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:56:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:56:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:56:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:56:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:56:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:56:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-28 02:56:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-11-28 02:56:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:56:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_update_device [2024-11-28 02:56:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_update_device [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2024-11-28 02:56:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2024-11-28 02:56:50,672 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:56:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:56:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:56:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 02:56:50,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 02:56:51,557 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:56:51,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:56:51,706 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:57:10,870 INFO L? ?]: Removed 1367 outVars from TransFormulas that were not future-live. [2024-11-28 02:57:10,870 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:10,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:10,914 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-28 02:57:10,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:10 BoogieIcfgContainer [2024-11-28 02:57:10,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:10,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:10,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:10,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:10,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:47" (1/3) ... [2024-11-28 02:57:10,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2ab9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:10, skipping insertion in model container [2024-11-28 02:57:10,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:49" (2/3) ... [2024-11-28 02:57:10,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2ab9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:10, skipping insertion in model container [2024-11-28 02:57:10,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:10" (3/3) ... [2024-11-28 02:57:10,926 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-11-28 02:57:10,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:10,951 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. [2024-11-28 02:57:11,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:11,113 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;@4d25181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:11,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:57:11,124 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) [2024-11-28 02:57:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2077 [2024-11-28 02:57:11,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:11,313 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] [2024-11-28 02:57:11,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:11,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:11,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1028078796, now seen corresponding path program 1 times [2024-11-28 02:57:11,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:11,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61579182] [2024-11-28 02:57:11,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 98754 trivial. 0 not checked. [2024-11-28 02:57:54,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:54,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61579182] [2024-11-28 02:57:54,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61579182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:54,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806808867] [2024-11-28 02:57:54,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:54,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:54,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:54,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:57:54,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:58:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:37,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 18735 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:58:37,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 1062 proven. 0 refuted. 0 times theorem prover too weak. 98282 trivial. 0 not checked. [2024-11-28 02:58:37,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:58:37,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806808867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:37,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:58:37,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:58:37,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263167894] [2024-11-28 02:58:37,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:37,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:58:37,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:37,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:58:37,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:58:37,714 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) [2024-11-28 02:58:37,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:37,994 INFO L93 Difference]: Finished difference Result 2803 states and 4474 transitions. [2024-11-28 02:58:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:58:37,997 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 [2024-11-28 02:58:37,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:38,033 INFO L225 Difference]: With dead ends: 2803 [2024-11-28 02:58:38,034 INFO L226 Difference]: Without dead ends: 1348 [2024-11-28 02:58:38,058 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 [2024-11-28 02:58:38,061 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 [2024-11-28 02:58:38,062 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] [2024-11-28 02:58:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2024-11-28 02:58:38,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1348. [2024-11-28 02:58:38,313 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) [2024-11-28 02:58:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1997 transitions. [2024-11-28 02:58:38,342 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1997 transitions. Word has length 2076 [2024-11-28 02:58:38,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:38,343 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1997 transitions. [2024-11-28 02:58:38,347 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) [2024-11-28 02:58:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1997 transitions. [2024-11-28 02:58:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2076 [2024-11-28 02:58:38,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:38,436 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] [2024-11-28 02:58:38,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:58:38,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4459a1b-09b3-46b4-a74f-c2ee953182eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:58:38,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:38,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:38,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1105929476, now seen corresponding path program 1 times [2024-11-28 02:58:38,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:38,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620137967] [2024-11-28 02:58:38,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:38,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-11-28 02:59:24,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:24,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620137967] [2024-11-28 02:59:24,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620137967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:24,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:24,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116420352] [2024-11-28 02:59:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:24,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:59:24,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:24,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:59:24,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:24,381 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) [2024-11-28 02:59:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:25,025 INFO L93 Difference]: Finished difference Result 3457 states and 5119 transitions. [2024-11-28 02:59:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:59:25,026 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 [2024-11-28 02:59:25,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:25,053 INFO L225 Difference]: With dead ends: 3457 [2024-11-28 02:59:25,053 INFO L226 Difference]: Without dead ends: 2397 [2024-11-28 02:59:25,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:25,060 INFO L435 NwaCegarLoop]: 1996 mSDtfsCounter, 1973 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:25,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 3559 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:59:25,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-11-28 02:59:25,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2381. [2024-11-28 02:59:25,242 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) [2024-11-28 02:59:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3532 transitions. [2024-11-28 02:59:25,275 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3532 transitions. Word has length 2075 [2024-11-28 02:59:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:25,284 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3532 transitions. [2024-11-28 02:59:25,285 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) [2024-11-28 02:59:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3532 transitions. [2024-11-28 02:59:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2076 [2024-11-28 02:59:25,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:25,328 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] [2024-11-28 02:59:25,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:59:25,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:25,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1974640921, now seen corresponding path program 1 times [2024-11-28 02:59:25,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:25,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854172426] [2024-11-28 02:59:25,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:25,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-11-28 03:00:08,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:08,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854172426] [2024-11-28 03:00:08,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854172426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:08,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:08,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:00:08,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752253347] [2024-11-28 03:00:08,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:08,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:00:08,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:08,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:00:08,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:00:08,801 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) [2024-11-28 03:00:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:09,428 INFO L93 Difference]: Finished difference Result 6542 states and 9703 transitions. [2024-11-28 03:00:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:00:09,429 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 [2024-11-28 03:00:09,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:09,480 INFO L225 Difference]: With dead ends: 6542 [2024-11-28 03:00:09,480 INFO L226 Difference]: Without dead ends: 4449 [2024-11-28 03:00:09,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:00:09,496 INFO L435 NwaCegarLoop]: 2006 mSDtfsCounter, 1965 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:09,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 3569 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:00:09,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2024-11-28 03:00:09,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4433. [2024-11-28 03:00:09,856 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) [2024-11-28 03:00:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4433 states to 4433 states and 6580 transitions. [2024-11-28 03:00:09,893 INFO L78 Accepts]: Start accepts. Automaton has 4433 states and 6580 transitions. Word has length 2075 [2024-11-28 03:00:09,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:09,897 INFO L471 AbstractCegarLoop]: Abstraction has 4433 states and 6580 transitions. [2024-11-28 03:00:09,897 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) [2024-11-28 03:00:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4433 states and 6580 transitions. [2024-11-28 03:00:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2075 [2024-11-28 03:00:09,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:09,934 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] [2024-11-28 03:00:09,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:00:09,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:09,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:09,935 INFO L85 PathProgramCache]: Analyzing trace with hash 807764599, now seen corresponding path program 1 times [2024-11-28 03:00:09,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:09,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090881851] [2024-11-28 03:00:09,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:09,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-11-28 03:00:52,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090881851] [2024-11-28 03:00:52,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090881851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:52,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:00:52,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736784495] [2024-11-28 03:00:52,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:52,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:00:52,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:52,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:00:52,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:00:52,823 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) [2024-11-28 03:00:53,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:53,468 INFO L93 Difference]: Finished difference Result 12694 states and 18841 transitions. [2024-11-28 03:00:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:00:53,469 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 [2024-11-28 03:00:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:53,548 INFO L225 Difference]: With dead ends: 12694 [2024-11-28 03:00:53,549 INFO L226 Difference]: Without dead ends: 8549 [2024-11-28 03:00:53,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:00:53,578 INFO L435 NwaCegarLoop]: 2022 mSDtfsCounter, 1974 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:53,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 3585 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:00:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8549 states. [2024-11-28 03:00:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8549 to 8533. [2024-11-28 03:00:54,026 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) [2024-11-28 03:00:54,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8533 states to 8533 states and 12668 transitions. [2024-11-28 03:00:54,088 INFO L78 Accepts]: Start accepts. Automaton has 8533 states and 12668 transitions. Word has length 2074 [2024-11-28 03:00:54,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:54,092 INFO L471 AbstractCegarLoop]: Abstraction has 8533 states and 12668 transitions. [2024-11-28 03:00:54,096 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) [2024-11-28 03:00:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 8533 states and 12668 transitions. [2024-11-28 03:00:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2077 [2024-11-28 03:00:54,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:54,132 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] [2024-11-28 03:00:54,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:00:54,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:54,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:54,133 INFO L85 PathProgramCache]: Analyzing trace with hash 901944762, now seen corresponding path program 1 times [2024-11-28 03:00:54,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:54,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725570651] [2024-11-28 03:00:54,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:54,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-11-28 03:01:37,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:37,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725570651] [2024-11-28 03:01:37,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725570651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:37,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:37,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:01:37,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682739556] [2024-11-28 03:01:37,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:37,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:37,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:37,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:37,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:37,631 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) [2024-11-28 03:01:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:38,436 INFO L93 Difference]: Finished difference Result 24970 states and 37069 transitions. [2024-11-28 03:01:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:38,441 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 [2024-11-28 03:01:38,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:38,577 INFO L225 Difference]: With dead ends: 24970 [2024-11-28 03:01:38,577 INFO L226 Difference]: Without dead ends: 16725 [2024-11-28 03:01:38,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:38,621 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:38,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 3595 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:01:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16725 states. [2024-11-28 03:01:39,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16725 to 16709. [2024-11-28 03:01:39,546 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) [2024-11-28 03:01:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16709 states to 16709 states and 24804 transitions. [2024-11-28 03:01:39,698 INFO L78 Accepts]: Start accepts. Automaton has 16709 states and 24804 transitions. Word has length 2076 [2024-11-28 03:01:39,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:39,703 INFO L471 AbstractCegarLoop]: Abstraction has 16709 states and 24804 transitions. [2024-11-28 03:01:39,705 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) [2024-11-28 03:01:39,705 INFO L276 IsEmpty]: Start isEmpty. Operand 16709 states and 24804 transitions. [2024-11-28 03:01:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2075 [2024-11-28 03:01:39,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:39,789 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] [2024-11-28 03:01:39,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:01:39,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:39,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:39,792 INFO L85 PathProgramCache]: Analyzing trace with hash -785855650, now seen corresponding path program 1 times [2024-11-28 03:01:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:39,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843166518] [2024-11-28 03:01:39,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-11-28 03:02:26,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:26,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843166518] [2024-11-28 03:02:26,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843166518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:26,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:26,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:02:26,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026042346] [2024-11-28 03:02:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:26,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:02:26,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:26,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:02:26,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:26,150 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) [2024-11-28 03:02:27,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:27,561 INFO L93 Difference]: Finished difference Result 49386 states and 73293 transitions. [2024-11-28 03:02:27,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:02:27,561 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 [2024-11-28 03:02:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:27,798 INFO L225 Difference]: With dead ends: 49386 [2024-11-28 03:02:27,799 INFO L226 Difference]: Without dead ends: 32965 [2024-11-28 03:02:27,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:02:27,896 INFO L435 NwaCegarLoop]: 2028 mSDtfsCounter, 1968 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:27,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 3588 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:02:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32965 states. [2024-11-28 03:02:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32965 to 32949. [2024-11-28 03:02:29,805 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) [2024-11-28 03:02:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32949 states to 32949 states and 48884 transitions. [2024-11-28 03:02:30,004 INFO L78 Accepts]: Start accepts. Automaton has 32949 states and 48884 transitions. Word has length 2074 [2024-11-28 03:02:30,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:30,008 INFO L471 AbstractCegarLoop]: Abstraction has 32949 states and 48884 transitions. [2024-11-28 03:02:30,008 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) [2024-11-28 03:02:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32949 states and 48884 transitions. [2024-11-28 03:02:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2080 [2024-11-28 03:02:30,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:30,049 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] [2024-11-28 03:02:30,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:02:30,049 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:30,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:30,050 INFO L85 PathProgramCache]: Analyzing trace with hash 245470876, now seen corresponding path program 1 times [2024-11-28 03:02:30,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:30,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566068789] [2024-11-28 03:02:30,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:30,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 99344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99344 trivial. 0 not checked. [2024-11-28 03:03:20,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:20,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566068789] [2024-11-28 03:03:20,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566068789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:20,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:20,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:03:20,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852365404] [2024-11-28 03:03:20,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:20,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:03:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:20,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:03:20,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:20,479 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) [2024-11-28 03:03:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:22,953 INFO L93 Difference]: Finished difference Result 97848 states and 145115 transitions. [2024-11-28 03:03:22,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:03:22,953 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 [2024-11-28 03:03:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:23,440 INFO L225 Difference]: With dead ends: 97848 [2024-11-28 03:03:23,440 INFO L226 Difference]: Without dead ends: 65187 [2024-11-28 03:03:23,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:03:23,613 INFO L435 NwaCegarLoop]: 2059 mSDtfsCounter, 1956 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:23,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 3619 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:03:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65187 states.