./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--hid--hid-roccat-pyra.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_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d48abbc06c71aeec5c2fd7c4bfe3a64e4c3a331115f87234999cdb923340216 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:51:47,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:51:47,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:51:47,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:51:47,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:51:47,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:51:47,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:51:47,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:51:47,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:51:47,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:51:47,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:51:47,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:51:47,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:51:47,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:51:47,290 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:51:47,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:51:47,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:51:47,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:51:47,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:51:47,291 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_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d48abbc06c71aeec5c2fd7c4bfe3a64e4c3a331115f87234999cdb923340216 [2024-12-02 10:51:47,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:51:47,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:51:47,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:51:47,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:51:47,514 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:51:47,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i [2024-12-02 10:51:50,163 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/data/a146cd928/744329439512405bae90dcc2cf54b405/FLAGe9039de3d [2024-12-02 10:51:50,558 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:51:50,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i [2024-12-02 10:51:50,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/data/a146cd928/744329439512405bae90dcc2cf54b405/FLAGe9039de3d [2024-12-02 10:51:50,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/data/a146cd928/744329439512405bae90dcc2cf54b405 [2024-12-02 10:51:50,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:51:50,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:51:50,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:51:50,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:51:50,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:51:50,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:50" (1/1) ... [2024-12-02 10:51:50,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ff3fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:50, skipping insertion in model container [2024-12-02 10:51:50,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:50" (1/1) ... [2024-12-02 10:51:50,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:51:51,687 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_8a807f2a-2280-4bdd-8db3-654295e799a7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i[184130,184143] [2024-12-02 10:51:51,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:51:51,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:51:52,016 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_8a807f2a-2280-4bdd-8db3-654295e799a7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i[184130,184143] [2024-12-02 10:51:52,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:51:52,129 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:51:52,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52 WrapperNode [2024-12-02 10:51:52,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:51:52,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:51:52,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:51:52,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:51:52,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,275 INFO L138 Inliner]: procedures = 207, calls = 1200, calls flagged for inlining = 96, calls inlined = 92, statements flattened = 3542 [2024-12-02 10:51:52,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:51:52,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:51:52,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:51:52,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:51:52,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,690 INFO L175 MemorySlicer]: Split 594 memory accesses to 7 slices as follows [2, 47, 9, 3, 42, 486, 5]. 82 percent of accesses are in the largest equivalence class. The 41 initializations are split as follows [2, 0, 0, 0, 0, 34, 5]. The 449 writes are split as follows [0, 47, 9, 3, 2, 388, 0]. [2024-12-02 10:51:52,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:51:52,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:51:52,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:51:52,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:51:52,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (1/1) ... [2024-12-02 10:51:52,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:51:52,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:51:52,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:51:52,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:51:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2024-12-02 10:51:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:51:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2024-12-02 10:51:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 10:51:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 10:51:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_read_profilex_settings [2024-12-02 10:51:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_read_profilex_settings [2024-12-02 10:51:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure profile_activated [2024-12-02 10:51:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure profile_activated [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 10:51:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_send_control [2024-12-02 10:51:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_send_control [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:51:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_read_profilex_buttons [2024-12-02 10:51:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_read_profilex_buttons [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 10:51:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 10:51:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pyra_lock_of_pyra_device [2024-12-02 10:51:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pyra_lock_of_pyra_device [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:51:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:51:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:51:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:51:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_show_actual_profile [2024-12-02 10:51:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_show_actual_profile [2024-12-02 10:51:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_read [2024-12-02 10:51:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_read [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 10:51:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-12-02 10:51:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:51:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_raw_event [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_raw_event [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pyra_lock_of_pyra_device [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pyra_lock_of_pyra_device [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_remove [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_remove [2024-12-02 10:51:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2024-12-02 10:51:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-12-02 10:51:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:51:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure pyra_sysfs_write [2024-12-02 10:51:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pyra_sysfs_write [2024-12-02 10:51:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 10:51:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 10:51:53,393 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:51:53,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:51:53,547 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:52:06,873 INFO L? ?]: Removed 1102 outVars from TransFormulas that were not future-live. [2024-12-02 10:52:06,873 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:52:06,897 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:52:06,897 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 10:52:06,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:06 BoogieIcfgContainer [2024-12-02 10:52:06,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:52:06,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:52:06,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:52:06,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:52:06,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:51:50" (1/3) ... [2024-12-02 10:52:06,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892cd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:52:06, skipping insertion in model container [2024-12-02 10:52:06,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:52" (2/3) ... [2024-12-02 10:52:06,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892cd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:52:06, skipping insertion in model container [2024-12-02 10:52:06,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:06" (3/3) ... [2024-12-02 10:52:06,906 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i [2024-12-02 10:52:06,917 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:52:06,919 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-pyra.ko-entry_point.cil.out.i that has 35 procedures, 933 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-02 10:52:06,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:52:06,988 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;@23df9774, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:52:06,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:52:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 932 states, 637 states have (on average 1.3783359497645211) internal successors, (878), 673 states have internal predecessors, (878), 260 states have call successors, (260), 34 states have call predecessors, (260), 33 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2024-12-02 10:52:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2024-12-02 10:52:07,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:07,052 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:52:07,052 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:07,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:07,056 INFO L85 PathProgramCache]: Analyzing trace with hash 6941159, now seen corresponding path program 1 times [2024-12-02 10:52:07,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:07,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467165035] [2024-12-02 10:52:07,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:07,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 25485 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 25210 trivial. 0 not checked. [2024-12-02 10:52:17,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:17,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467165035] [2024-12-02 10:52:17,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467165035] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:52:17,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792018909] [2024-12-02 10:52:17,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:17,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:52:17,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:52:17,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:52:17,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:52:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:27,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 10796 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:52:27,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:52:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 25485 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 24990 trivial. 0 not checked. [2024-12-02 10:52:27,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:52:27,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792018909] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:27,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:52:27,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:52:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498011555] [2024-12-02 10:52:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:27,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:52:27,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:27,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:52:27,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:52:27,656 INFO L87 Difference]: Start difference. First operand has 932 states, 637 states have (on average 1.3783359497645211) internal successors, (878), 673 states have internal predecessors, (878), 260 states have call successors, (260), 34 states have call predecessors, (260), 33 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 10:52:27,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:27,745 INFO L93 Difference]: Finished difference Result 1841 states and 2841 transitions. [2024-12-02 10:52:27,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:52:27,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 1259 [2024-12-02 10:52:27,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:27,762 INFO L225 Difference]: With dead ends: 1841 [2024-12-02 10:52:27,762 INFO L226 Difference]: Without dead ends: 874 [2024-12-02 10:52:27,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1260 GetRequests, 1260 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:52:27,774 INFO L435 NwaCegarLoop]: 1354 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, 1354 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:27,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:52:27,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2024-12-02 10:52:27,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2024-12-02 10:52:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 616 states have (on average 1.3409090909090908) internal successors, (826), 626 states have internal predecessors, (826), 228 states have call successors, (228), 30 states have call predecessors, (228), 29 states have return successors, (222), 220 states have call predecessors, (222), 222 states have call successors, (222) [2024-12-02 10:52:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1276 transitions. [2024-12-02 10:52:27,884 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1276 transitions. Word has length 1259 [2024-12-02 10:52:27,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:27,884 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1276 transitions. [2024-12-02 10:52:27,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 10:52:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1276 transitions. [2024-12-02 10:52:27,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2024-12-02 10:52:27,915 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:27,915 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:52:27,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:52:28,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a807f2a-2280-4bdd-8db3-654295e799a7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:52:28,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:28,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2134300279, now seen corresponding path program 1 times [2024-12-02 10:52:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381656216] [2024-12-02 10:52:28,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:28,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25485 trivial. 0 not checked. [2024-12-02 10:52:38,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:38,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381656216] [2024-12-02 10:52:38,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381656216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:38,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:38,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:38,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642643394] [2024-12-02 10:52:38,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:38,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:38,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:38,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:38,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:38,118 INFO L87 Difference]: Start difference. First operand 874 states and 1276 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 10:52:42,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:42,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:42,796 INFO L93 Difference]: Finished difference Result 2115 states and 3086 transitions. [2024-12-02 10:52:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:42,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1259 [2024-12-02 10:52:42,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:42,810 INFO L225 Difference]: With dead ends: 2115 [2024-12-02 10:52:42,810 INFO L226 Difference]: Without dead ends: 1461 [2024-12-02 10:52:42,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:42,814 INFO L435 NwaCegarLoop]: 1295 mSDtfsCounter, 865 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 2541 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:42,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 2541 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 10:52:42,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2024-12-02 10:52:42,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1457. [2024-12-02 10:52:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1076 states have (on average 1.3810408921933086) internal successors, (1486), 1090 states have internal predecessors, (1486), 325 states have call successors, (325), 56 states have call predecessors, (325), 55 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-12-02 10:52:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2130 transitions. [2024-12-02 10:52:42,893 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2130 transitions. Word has length 1259 [2024-12-02 10:52:42,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:42,896 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 2130 transitions. [2024-12-02 10:52:42,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (110), 2 states have call predecessors, (110), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 10:52:42,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2130 transitions. [2024-12-02 10:52:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1272 [2024-12-02 10:52:42,926 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:42,927 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:52:42,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:52:42,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:42,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:42,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1261409111, now seen corresponding path program 1 times [2024-12-02 10:52:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:42,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996724489] [2024-12-02 10:52:42,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:52:51,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:51,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996724489] [2024-12-02 10:52:51,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996724489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:51,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:51,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969048772] [2024-12-02 10:52:51,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:51,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:51,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:51,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:51,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:51,971 INFO L87 Difference]: Start difference. First operand 1457 states and 2130 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:52:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:52,277 INFO L93 Difference]: Finished difference Result 3883 states and 5664 transitions. [2024-12-02 10:52:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:52,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1271 [2024-12-02 10:52:52,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:52,298 INFO L225 Difference]: With dead ends: 3883 [2024-12-02 10:52:52,298 INFO L226 Difference]: Without dead ends: 2646 [2024-12-02 10:52:52,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:52,304 INFO L435 NwaCegarLoop]: 1282 mSDtfsCounter, 1226 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:52,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 2226 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:52,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2024-12-02 10:52:52,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 2625. [2024-12-02 10:52:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 1998 states have (on average 1.4039039039039038) internal successors, (2805), 2022 states have internal predecessors, (2805), 518 states have call successors, (518), 109 states have call predecessors, (518), 108 states have return successors, (512), 503 states have call predecessors, (512), 512 states have call successors, (512) [2024-12-02 10:52:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3835 transitions. [2024-12-02 10:52:52,421 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3835 transitions. Word has length 1271 [2024-12-02 10:52:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:52,424 INFO L471 AbstractCegarLoop]: Abstraction has 2625 states and 3835 transitions. [2024-12-02 10:52:52,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:52:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3835 transitions. [2024-12-02 10:52:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1274 [2024-12-02 10:52:52,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:52,440 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:52:52,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:52:52,440 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:52,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2008650819, now seen corresponding path program 1 times [2024-12-02 10:52:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985572606] [2024-12-02 10:52:52,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:52,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:53:01,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985572606] [2024-12-02 10:53:01,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985572606] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:01,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:01,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:01,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388274687] [2024-12-02 10:53:01,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:01,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:01,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:01,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:01,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:01,697 INFO L87 Difference]: Start difference. First operand 2625 states and 3835 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:02,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:02,129 INFO L93 Difference]: Finished difference Result 7355 states and 10729 transitions. [2024-12-02 10:53:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1273 [2024-12-02 10:53:02,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:02,159 INFO L225 Difference]: With dead ends: 7355 [2024-12-02 10:53:02,159 INFO L226 Difference]: Without dead ends: 4950 [2024-12-02 10:53:02,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:02,168 INFO L435 NwaCegarLoop]: 1314 mSDtfsCounter, 1230 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:02,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 2249 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:53:02,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2024-12-02 10:53:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4929. [2024-12-02 10:53:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4929 states, 3802 states have (on average 1.4137296159915833) internal successors, (5375), 3846 states have internal predecessors, (5375), 912 states have call successors, (912), 215 states have call predecessors, (912), 214 states have return successors, (906), 887 states have call predecessors, (906), 906 states have call successors, (906) [2024-12-02 10:53:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4929 states to 4929 states and 7193 transitions. [2024-12-02 10:53:02,381 INFO L78 Accepts]: Start accepts. Automaton has 4929 states and 7193 transitions. Word has length 1273 [2024-12-02 10:53:02,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:02,383 INFO L471 AbstractCegarLoop]: Abstraction has 4929 states and 7193 transitions. [2024-12-02 10:53:02,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:02,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4929 states and 7193 transitions. [2024-12-02 10:53:02,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1277 [2024-12-02 10:53:02,398 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:02,398 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:02,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:53:02,398 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:02,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:02,399 INFO L85 PathProgramCache]: Analyzing trace with hash 777073679, now seen corresponding path program 1 times [2024-12-02 10:53:02,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:02,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472785417] [2024-12-02 10:53:02,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:53:11,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:11,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472785417] [2024-12-02 10:53:11,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472785417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:11,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:11,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:11,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046096855] [2024-12-02 10:53:11,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:11,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:11,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:11,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:11,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:11,453 INFO L87 Difference]: Start difference. First operand 4929 states and 7193 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:11,801 INFO L93 Difference]: Finished difference Result 14161 states and 20641 transitions. [2024-12-02 10:53:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:11,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1276 [2024-12-02 10:53:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:11,838 INFO L225 Difference]: With dead ends: 14161 [2024-12-02 10:53:11,838 INFO L226 Difference]: Without dead ends: 9452 [2024-12-02 10:53:11,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:11,851 INFO L435 NwaCegarLoop]: 1343 mSDtfsCounter, 1213 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 2278 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:11,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 2278 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:11,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2024-12-02 10:53:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9425. [2024-12-02 10:53:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9425 states, 7322 states have (on average 1.4191477738322862) internal successors, (10391), 7406 states have internal predecessors, (10391), 1676 states have call successors, (1676), 427 states have call predecessors, (1676), 426 states have return successors, (1670), 1631 states have call predecessors, (1670), 1670 states have call successors, (1670) [2024-12-02 10:53:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 13737 transitions. [2024-12-02 10:53:12,088 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 13737 transitions. Word has length 1276 [2024-12-02 10:53:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:12,089 INFO L471 AbstractCegarLoop]: Abstraction has 9425 states and 13737 transitions. [2024-12-02 10:53:12,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 13737 transitions. [2024-12-02 10:53:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2024-12-02 10:53:12,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:12,099 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:12,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:53:12,099 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:12,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:12,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1978120084, now seen corresponding path program 1 times [2024-12-02 10:53:12,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916282013] [2024-12-02 10:53:12,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:53:20,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:20,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916282013] [2024-12-02 10:53:20,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916282013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:20,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:20,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:20,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687353885] [2024-12-02 10:53:20,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:20,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:20,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:20,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:20,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:20,789 INFO L87 Difference]: Start difference. First operand 9425 states and 13737 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:21,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:21,212 INFO L93 Difference]: Finished difference Result 27089 states and 39385 transitions. [2024-12-02 10:53:21,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:21,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1279 [2024-12-02 10:53:21,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:21,294 INFO L225 Difference]: With dead ends: 27089 [2024-12-02 10:53:21,295 INFO L226 Difference]: Without dead ends: 17884 [2024-12-02 10:53:21,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:21,318 INFO L435 NwaCegarLoop]: 1372 mSDtfsCounter, 1162 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 2307 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:21,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 2307 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:21,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17884 states. [2024-12-02 10:53:21,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17884 to 17849. [2024-12-02 10:53:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17849 states, 14010 states have (on average 1.4240542469664526) internal successors, (19951), 14174 states have internal predecessors, (19951), 2988 states have call successors, (2988), 851 states have call predecessors, (2988), 850 states have return successors, (2982), 2903 states have call predecessors, (2982), 2982 states have call successors, (2982) [2024-12-02 10:53:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17849 states to 17849 states and 25921 transitions. [2024-12-02 10:53:21,922 INFO L78 Accepts]: Start accepts. Automaton has 17849 states and 25921 transitions. Word has length 1279 [2024-12-02 10:53:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:21,923 INFO L471 AbstractCegarLoop]: Abstraction has 17849 states and 25921 transitions. [2024-12-02 10:53:21,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 17849 states and 25921 transitions. [2024-12-02 10:53:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1288 [2024-12-02 10:53:21,939 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:21,939 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:21,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:53:21,939 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:21,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash 984781059, now seen corresponding path program 1 times [2024-12-02 10:53:21,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:21,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530842125] [2024-12-02 10:53:21,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:53:30,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530842125] [2024-12-02 10:53:30,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530842125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:30,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:30,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:30,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156456011] [2024-12-02 10:53:30,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:30,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:30,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:30,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:30,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:30,900 INFO L87 Difference]: Start difference. First operand 17849 states and 25921 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:31,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:31,501 INFO L93 Difference]: Finished difference Result 52825 states and 76689 transitions. [2024-12-02 10:53:31,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:31,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1287 [2024-12-02 10:53:31,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:31,640 INFO L225 Difference]: With dead ends: 52825 [2024-12-02 10:53:31,640 INFO L226 Difference]: Without dead ends: 35196 [2024-12-02 10:53:31,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:31,681 INFO L435 NwaCegarLoop]: 1438 mSDtfsCounter, 1210 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:31,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 2382 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:53:31,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35196 states. [2024-12-02 10:53:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35196 to 35161. [2024-12-02 10:53:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35161 states, 27674 states have (on average 1.4257064392570644) internal successors, (39455), 27998 states have internal predecessors, (39455), 5788 states have call successors, (5788), 1699 states have call predecessors, (5788), 1698 states have return successors, (5782), 5623 states have call predecessors, (5782), 5782 states have call successors, (5782) [2024-12-02 10:53:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35161 states to 35161 states and 51025 transitions. [2024-12-02 10:53:32,769 INFO L78 Accepts]: Start accepts. Automaton has 35161 states and 51025 transitions. Word has length 1287 [2024-12-02 10:53:32,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:32,770 INFO L471 AbstractCegarLoop]: Abstraction has 35161 states and 51025 transitions. [2024-12-02 10:53:32,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35161 states and 51025 transitions. [2024-12-02 10:53:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2024-12-02 10:53:32,785 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:32,785 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:32,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:53:32,786 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:32,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:32,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1783080113, now seen corresponding path program 1 times [2024-12-02 10:53:32,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:32,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707404286] [2024-12-02 10:53:32,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:32,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:53:41,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:41,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707404286] [2024-12-02 10:53:41,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707404286] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:41,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:41,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:41,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408639310] [2024-12-02 10:53:41,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:41,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:41,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:41,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:41,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:41,744 INFO L87 Difference]: Start difference. First operand 35161 states and 51025 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:42,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:42,840 INFO L93 Difference]: Finished difference Result 103993 states and 150881 transitions. [2024-12-02 10:53:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:42,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1280 [2024-12-02 10:53:42,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:43,033 INFO L225 Difference]: With dead ends: 103993 [2024-12-02 10:53:43,033 INFO L226 Difference]: Without dead ends: 69052 [2024-12-02 10:53:43,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:43,108 INFO L435 NwaCegarLoop]: 1446 mSDtfsCounter, 1217 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:43,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 2390 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:53:43,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69052 states. [2024-12-02 10:53:44,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69052 to 69017. [2024-12-02 10:53:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69017 states, 54554 states have (on average 1.4277046596033287) internal successors, (77887), 55198 states have internal predecessors, (77887), 11100 states have call successors, (11100), 3363 states have call predecessors, (11100), 3362 states have return successors, (11094), 10775 states have call predecessors, (11094), 11094 states have call successors, (11094) [2024-12-02 10:53:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69017 states to 69017 states and 100081 transitions. [2024-12-02 10:53:45,151 INFO L78 Accepts]: Start accepts. Automaton has 69017 states and 100081 transitions. Word has length 1280 [2024-12-02 10:53:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:45,152 INFO L471 AbstractCegarLoop]: Abstraction has 69017 states and 100081 transitions. [2024-12-02 10:53:45,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:53:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 69017 states and 100081 transitions. [2024-12-02 10:53:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1278 [2024-12-02 10:53:45,162 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:45,162 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:45,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:53:45,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:45,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:45,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1871239345, now seen corresponding path program 1 times [2024-12-02 10:53:45,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:45,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337400504] [2024-12-02 10:53:45,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 25529 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25529 trivial. 0 not checked. [2024-12-02 10:53:54,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:54,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337400504] [2024-12-02 10:53:54,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337400504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:54,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:54,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:54,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468795569] [2024-12-02 10:53:54,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:54,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:54,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:54,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:54,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:54,603 INFO L87 Difference]: Start difference. First operand 69017 states and 100081 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 10:53:55,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:55,589 INFO L93 Difference]: Finished difference Result 69019 states and 100082 transitions. [2024-12-02 10:53:55,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:55,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 1277 [2024-12-02 10:53:55,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:55,755 INFO L225 Difference]: With dead ends: 69019 [2024-12-02 10:53:55,755 INFO L226 Difference]: Without dead ends: 69016 [2024-12-02 10:53:55,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:55,771 INFO L435 NwaCegarLoop]: 1273 mSDtfsCounter, 1035 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:55,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1273 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:55,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69016 states. [2024-12-02 10:53:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69016 to 69016. [2024-12-02 10:53:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69016 states, 54554 states have (on average 1.4276863291417679) internal successors, (77886), 55197 states have internal predecessors, (77886), 11099 states have call successors, (11099), 3363 states have call predecessors, (11099), 3362 states have return successors, (11094), 10775 states have call predecessors, (11094), 11094 states have call successors, (11094) [2024-12-02 10:53:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69016 states to 69016 states and 100079 transitions. [2024-12-02 10:53:57,335 INFO L78 Accepts]: Start accepts. Automaton has 69016 states and 100079 transitions. Word has length 1277 [2024-12-02 10:53:57,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:57,335 INFO L471 AbstractCegarLoop]: Abstraction has 69016 states and 100079 transitions. [2024-12-02 10:53:57,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 10:53:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 69016 states and 100079 transitions. [2024-12-02 10:53:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1279 [2024-12-02 10:53:57,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:57,346 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:57,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:53:57,346 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:57,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:57,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2120742849, now seen corresponding path program 1 times [2024-12-02 10:53:57,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:57,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984721649] [2024-12-02 10:53:57,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:57,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:54:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:54:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 25529 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25529 trivial. 0 not checked. [2024-12-02 10:54:05,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:54:05,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984721649] [2024-12-02 10:54:05,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984721649] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:54:05,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:54:05,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:54:05,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116945610] [2024-12-02 10:54:05,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:54:05,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:54:05,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:54:05,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:54:05,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:05,999 INFO L87 Difference]: Start difference. First operand 69016 states and 100079 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 10:54:06,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:54:06,923 INFO L93 Difference]: Finished difference Result 69018 states and 100080 transitions. [2024-12-02 10:54:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:54:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 1278 [2024-12-02 10:54:06,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:54:07,121 INFO L225 Difference]: With dead ends: 69018 [2024-12-02 10:54:07,121 INFO L226 Difference]: Without dead ends: 69015 [2024-12-02 10:54:07,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:07,151 INFO L435 NwaCegarLoop]: 1271 mSDtfsCounter, 1032 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:54:07,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1271 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:54:07,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69015 states. [2024-12-02 10:54:08,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69015 to 69015. [2024-12-02 10:54:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69015 states, 54554 states have (on average 1.4276679986802068) internal successors, (77885), 55196 states have internal predecessors, (77885), 11098 states have call successors, (11098), 3363 states have call predecessors, (11098), 3362 states have return successors, (11094), 10775 states have call predecessors, (11094), 11094 states have call successors, (11094) [2024-12-02 10:54:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69015 states to 69015 states and 100077 transitions. [2024-12-02 10:54:08,881 INFO L78 Accepts]: Start accepts. Automaton has 69015 states and 100077 transitions. Word has length 1278 [2024-12-02 10:54:08,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:54:08,882 INFO L471 AbstractCegarLoop]: Abstraction has 69015 states and 100077 transitions. [2024-12-02 10:54:08,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2024-12-02 10:54:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 69015 states and 100077 transitions. [2024-12-02 10:54:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1294 [2024-12-02 10:54:08,896 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:54:08,897 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:54:08,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:54:08,897 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:54:08,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:54:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1610963483, now seen corresponding path program 1 times [2024-12-02 10:54:08,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:54:08,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904670986] [2024-12-02 10:54:08,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:54:08,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:54:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:54:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25491 trivial. 0 not checked. [2024-12-02 10:54:17,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:54:17,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904670986] [2024-12-02 10:54:17,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904670986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:54:17,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:54:17,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:54:17,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101958545] [2024-12-02 10:54:17,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:54:17,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:54:17,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:54:17,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:54:17,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:17,726 INFO L87 Difference]: Start difference. First operand 69015 states and 100077 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-12-02 10:54:20,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:54:20,480 INFO L93 Difference]: Finished difference Result 205027 states and 297085 transitions. [2024-12-02 10:54:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:54:20,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 1293 [2024-12-02 10:54:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:54:20,846 INFO L225 Difference]: With dead ends: 205027 [2024-12-02 10:54:20,846 INFO L226 Difference]: Without dead ends: 136232 [2024-12-02 10:54:20,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:20,967 INFO L435 NwaCegarLoop]: 1440 mSDtfsCounter, 1216 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:54:20,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 2374 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:54:21,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136232 states. [2024-12-02 10:54:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136232 to 136207. [2024-12-02 10:54:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136207 states, 107546 states have (on average 1.4255202425008833) internal successors, (153309), 108828 states have internal predecessors, (153309), 21938 states have call successors, (21938), 6723 states have call predecessors, (21938), 6722 states have return successors, (21934), 21295 states have call predecessors, (21934), 21934 states have call successors, (21934) [2024-12-02 10:54:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136207 states to 136207 states and 197181 transitions. [2024-12-02 10:54:24,609 INFO L78 Accepts]: Start accepts. Automaton has 136207 states and 197181 transitions. Word has length 1293 [2024-12-02 10:54:24,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:54:24,610 INFO L471 AbstractCegarLoop]: Abstraction has 136207 states and 197181 transitions. [2024-12-02 10:54:24,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-12-02 10:54:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 136207 states and 197181 transitions. [2024-12-02 10:54:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1287 [2024-12-02 10:54:24,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:54:24,620 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:54:24,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:54:24,620 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:54:24,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:54:24,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1426833680, now seen corresponding path program 1 times [2024-12-02 10:54:24,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:54:24,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67691582] [2024-12-02 10:54:24,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:54:24,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:54:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:54:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25491 trivial. 0 not checked. [2024-12-02 10:54:35,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:54:35,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67691582] [2024-12-02 10:54:35,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67691582] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:54:35,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:54:35,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:54:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379245222] [2024-12-02 10:54:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:54:35,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:54:35,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:54:35,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:54:35,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:35,149 INFO L87 Difference]: Start difference. First operand 136207 states and 197181 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-12-02 10:54:40,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:54:40,987 INFO L93 Difference]: Finished difference Result 405108 states and 586025 transitions. [2024-12-02 10:54:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:54:40,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 1286 [2024-12-02 10:54:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:54:41,746 INFO L225 Difference]: With dead ends: 405108 [2024-12-02 10:54:41,746 INFO L226 Difference]: Without dead ends: 269121 [2024-12-02 10:54:42,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:42,006 INFO L435 NwaCegarLoop]: 1474 mSDtfsCounter, 1247 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:54:42,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 2408 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:54:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269121 states. [2024-12-02 10:54:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269121 to 269102. [2024-12-02 10:54:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269102 states, 212150 states have (on average 1.4229601696912562) internal successors, (301881), 214712 states have internal predecessors, (301881), 43509 states have call successors, (43509), 13443 states have call predecessors, (43509), 13442 states have return successors, (43505), 42226 states have call predecessors, (43505), 43505 states have call successors, (43505) [2024-12-02 10:54:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269102 states to 269102 states and 388895 transitions. [2024-12-02 10:54:50,779 INFO L78 Accepts]: Start accepts. Automaton has 269102 states and 388895 transitions. Word has length 1286 [2024-12-02 10:54:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:54:50,780 INFO L471 AbstractCegarLoop]: Abstraction has 269102 states and 388895 transitions. [2024-12-02 10:54:50,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-12-02 10:54:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 269102 states and 388895 transitions. [2024-12-02 10:54:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1285 [2024-12-02 10:54:50,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:54:50,790 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:54:50,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:54:50,790 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:54:50,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:54:50,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1834268828, now seen corresponding path program 1 times [2024-12-02 10:54:50,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:54:50,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490054422] [2024-12-02 10:54:50,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:54:50,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:54:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:55:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25488 trivial. 0 not checked. [2024-12-02 10:55:00,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:55:00,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490054422] [2024-12-02 10:55:00,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490054422] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:55:00,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:55:00,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:55:00,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672376268] [2024-12-02 10:55:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:55:00,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:55:00,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:55:00,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:55:00,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:55:00,397 INFO L87 Difference]: Start difference. First operand 269102 states and 388895 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:55:13,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:55:13,180 INFO L93 Difference]: Finished difference Result 799953 states and 1155401 transitions. [2024-12-02 10:55:13,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:55:13,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1284 [2024-12-02 10:55:13,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:55:14,979 INFO L225 Difference]: With dead ends: 799953 [2024-12-02 10:55:14,979 INFO L226 Difference]: Without dead ends: 531071 [2024-12-02 10:55:15,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:55:15,744 INFO L435 NwaCegarLoop]: 1520 mSDtfsCounter, 1199 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:55:15,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 2454 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:55:16,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531071 states. [2024-12-02 10:55:30,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531071 to 530990. [2024-12-02 10:55:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530990 states, 417846 states have (on average 1.4209086601283727) internal successors, (593721), 422968 states have internal predecessors, (593721), 86261 states have call successors, (86261), 26883 states have call predecessors, (86261), 26882 states have return successors, (86257), 83698 states have call predecessors, (86257), 86257 states have call successors, (86257) [2024-12-02 10:55:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530990 states to 530990 states and 766239 transitions. [2024-12-02 10:55:33,419 INFO L78 Accepts]: Start accepts. Automaton has 530990 states and 766239 transitions. Word has length 1284 [2024-12-02 10:55:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:55:33,420 INFO L471 AbstractCegarLoop]: Abstraction has 530990 states and 766239 transitions. [2024-12-02 10:55:33,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-12-02 10:55:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 530990 states and 766239 transitions. [2024-12-02 10:55:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2024-12-02 10:55:33,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:55:33,444 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 39, 39, 39, 39, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:55:33,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:55:33,444 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:55:33,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:55:33,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1318144146, now seen corresponding path program 1 times [2024-12-02 10:55:33,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:55:33,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448827318] [2024-12-02 10:55:33,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:55:33,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:55:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:55:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 25529 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25529 trivial. 0 not checked. [2024-12-02 10:55:42,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:55:42,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448827318] [2024-12-02 10:55:42,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448827318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:55:42,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:55:42,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:55:42,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446425587] [2024-12-02 10:55:42,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:55:42,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:55:42,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:55:42,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:55:42,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:55:42,683 INFO L87 Difference]: Start difference. First operand 530990 states and 766239 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 3 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111)