./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-kovaplus.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_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/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_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/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-kovaplus.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/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_6802e670-8f55-4021-b274-032bbdb5e42f/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 e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:42:13,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:42:13,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:42:13,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:42:13,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:42:13,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:42:13,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:42:13,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:42:13,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:42:13,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:42:13,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:42:13,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:42:13,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:42:13,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:42:13,678 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:42:13,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:42:13,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:42:13,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:42:13,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:42:13,680 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_6802e670-8f55-4021-b274-032bbdb5e42f/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 -> e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e [2024-12-02 12:42:13,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:42:13,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:42:13,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:42:13,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:42:13,950 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:42:13,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-12-02 12:42:16,691 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/data/1bee53afc/a06b9ad7192f475e95dd00b3b8d69ad6/FLAGf05bf81df [2024-12-02 12:42:17,039 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:42:17,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-12-02 12:42:17,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/data/1bee53afc/a06b9ad7192f475e95dd00b3b8d69ad6/FLAGf05bf81df [2024-12-02 12:42:17,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/data/1bee53afc/a06b9ad7192f475e95dd00b3b8d69ad6 [2024-12-02 12:42:17,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:42:17,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:42:17,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:42:17,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:42:17,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:42:17,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:42:17" (1/1) ... [2024-12-02 12:42:17,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d2a463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:17, skipping insertion in model container [2024-12-02 12:42:17,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:42:17" (1/1) ... [2024-12-02 12:42:17,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:42:18,006 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_6802e670-8f55-4021-b274-032bbdb5e42f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i[186321,186334] [2024-12-02 12:42:18,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:42:18,156 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:42:18,366 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_6802e670-8f55-4021-b274-032bbdb5e42f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i[186321,186334] [2024-12-02 12:42:18,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:42:18,503 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:42:18,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18 WrapperNode [2024-12-02 12:42:18,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:42:18,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:42:18,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:42:18,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:42:18,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:18,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:18,659 INFO L138 Inliner]: procedures = 210, calls = 1206, calls flagged for inlining = 98, calls inlined = 94, statements flattened = 3589 [2024-12-02 12:42:18,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:42:18,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:42:18,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:42:18,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:42:18,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:18,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:18,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,143 INFO L175 MemorySlicer]: Split 604 memory accesses to 7 slices as follows [2, 39, 491, 47, 3, 17, 5]. 81 percent of accesses are in the largest equivalence class. The 42 initializations are split as follows [2, 0, 40, 0, 0, 0, 0]. The 446 writes are split as follows [0, 2, 382, 47, 3, 12, 0]. [2024-12-02 12:42:19,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,216 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:42:19,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:42:19,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:42:19,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:42:19,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (1/1) ... [2024-12-02 12:42:19,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:42:19,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:42:19,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:42:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:42:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_select_profile [2024-12-02 12:42:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_select_profile [2024-12-02 12:42:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 12:42:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 12:42:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2024-12-02 12:42:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2024-12-02 12:42:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:42:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2024-12-02 12:42:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 12:42:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 12:42:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_raw_event [2024-12-02 12:42:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_raw_event [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 12:42:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:42:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 12:42:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-12-02 12:42:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write [2024-12-02 12:42:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove [2024-12-02 12:42:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:42:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_convert_event_cpi [2024-12-02 12:42:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_convert_event_cpi [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 12:42:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:42:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:42:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 12:42:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 12:42:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-12-02 12:42:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:42:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_settings [2024-12-02 12:42:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_settings [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read [2024-12-02 12:42:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_profile_activated [2024-12-02 12:42:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_profile_activated [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:42:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-12-02 12:42:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:42:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 12:42:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 12:42:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:42:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 12:42:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_buttons [2024-12-02 12:42:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_buttons [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2024-12-02 12:42:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-12-02 12:42:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:42:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:42:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 12:42:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 12:42:19,910 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:42:19,913 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:42:20,013 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:42:32,596 INFO L? ?]: Removed 1147 outVars from TransFormulas that were not future-live. [2024-12-02 12:42:32,596 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:42:32,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:42:32,622 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-02 12:42:32,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:32 BoogieIcfgContainer [2024-12-02 12:42:32,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:42:32,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:42:32,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:42:32,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:42:32,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:42:17" (1/3) ... [2024-12-02 12:42:32,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35170581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:42:32, skipping insertion in model container [2024-12-02 12:42:32,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:42:18" (2/3) ... [2024-12-02 12:42:32,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35170581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:42:32, skipping insertion in model container [2024-12-02 12:42:32,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:42:32" (3/3) ... [2024-12-02 12:42:32,632 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-12-02 12:42:32,647 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:42:32,650 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i that has 36 procedures, 934 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-12-02 12:42:32,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:42:32,736 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;@5b46df41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:42:32,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:42:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 933 states, 641 states have (on average 1.3790951638065523) internal successors, (884), 677 states have internal predecessors, (884), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2024-12-02 12:42:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2024-12-02 12:42:32,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:32,830 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:42:32,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:42:32,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:32,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1389906855, now seen corresponding path program 1 times [2024-12-02 12:42:32,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:32,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023440631] [2024-12-02 12:42:32,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:42:32,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:42:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 24655 trivial. 0 not checked. [2024-12-02 12:42:43,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:42:43,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023440631] [2024-12-02 12:42:43,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023440631] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:42:43,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802812498] [2024-12-02 12:42:43,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:42:43,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:43,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:42:43,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:42:43,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:42:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:42:53,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 10478 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:42:53,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:42:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 24435 trivial. 0 not checked. [2024-12-02 12:42:53,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:42:53,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802812498] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:42:53,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:42:53,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:42:53,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461473101] [2024-12-02 12:42:53,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:42:53,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:42:53,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:42:53,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:42:53,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:42:53,210 INFO L87 Difference]: Start difference. First operand has 933 states, 641 states have (on average 1.3790951638065523) internal successors, (884), 677 states have internal predecessors, (884), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) Second operand has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:42:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:42:53,303 INFO L93 Difference]: Finished difference Result 1843 states and 2831 transitions. [2024-12-02 12:42:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:42:53,305 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1238 [2024-12-02 12:42:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:42:53,322 INFO L225 Difference]: With dead ends: 1843 [2024-12-02 12:42:53,322 INFO L226 Difference]: Without dead ends: 877 [2024-12-02 12:42:53,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1239 GetRequests, 1239 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 12:42:53,333 INFO L435 NwaCegarLoop]: 1352 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, 1352 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 12:42:53,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:42:53,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2024-12-02 12:42:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2024-12-02 12:42:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 621 states have (on average 1.3413848631239935) internal successors, (833), 631 states have internal predecessors, (833), 225 states have call successors, (225), 31 states have call predecessors, (225), 30 states have return successors, (219), 217 states have call predecessors, (219), 219 states have call successors, (219) [2024-12-02 12:42:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1277 transitions. [2024-12-02 12:42:53,443 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1277 transitions. Word has length 1238 [2024-12-02 12:42:53,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:42:53,443 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1277 transitions. [2024-12-02 12:42:53,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:42:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1277 transitions. [2024-12-02 12:42:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2024-12-02 12:42:53,473 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:53,473 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:42:53,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:42:53,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6802e670-8f55-4021-b274-032bbdb5e42f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:53,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:42:53,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1515684247, now seen corresponding path program 1 times [2024-12-02 12:42:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785178908] [2024-12-02 12:42:53,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:42:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:43:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24930 trivial. 0 not checked. [2024-12-02 12:43:05,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:05,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785178908] [2024-12-02 12:43:05,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785178908] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:43:05,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:43:05,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:43:05,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490229646] [2024-12-02 12:43:05,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:43:05,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:43:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:05,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:43:05,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:43:05,190 INFO L87 Difference]: Start difference. First operand 877 states and 1277 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2024-12-02 12:43:09,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:43:09,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:09,949 INFO L93 Difference]: Finished difference Result 2138 states and 3110 transitions. [2024-12-02 12:43:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:43:09,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) Word has length 1238 [2024-12-02 12:43:09,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:09,966 INFO L225 Difference]: With dead ends: 2138 [2024-12-02 12:43:09,967 INFO L226 Difference]: Without dead ends: 1475 [2024-12-02 12:43:09,970 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 12:43:09,971 INFO L435 NwaCegarLoop]: 1296 mSDtfsCounter, 878 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 2543 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:43:09,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 2543 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:43:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-12-02 12:43:10,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1471. [2024-12-02 12:43:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1090 states have (on average 1.379816513761468) internal successors, (1504), 1104 states have internal predecessors, (1504), 323 states have call successors, (323), 58 states have call predecessors, (323), 57 states have return successors, (317), 313 states have call predecessors, (317), 317 states have call successors, (317) [2024-12-02 12:43:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2144 transitions. [2024-12-02 12:43:10,061 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2144 transitions. Word has length 1238 [2024-12-02 12:43:10,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:10,064 INFO L471 AbstractCegarLoop]: Abstraction has 1471 states and 2144 transitions. [2024-12-02 12:43:10,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2024-12-02 12:43:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2144 transitions. [2024-12-02 12:43:10,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2024-12-02 12:43:10,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:10,093 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:43:10,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:43:10,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:43:10,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1503483385, now seen corresponding path program 1 times [2024-12-02 12:43:10,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:10,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663063933] [2024-12-02 12:43:10,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:43:10,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:43:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-12-02 12:43:19,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:19,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663063933] [2024-12-02 12:43:19,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663063933] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:43:19,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:43:19,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:43:19,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075796418] [2024-12-02 12:43:19,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:43:19,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:43:19,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:19,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:43:19,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:43:19,036 INFO L87 Difference]: Start difference. First operand 1471 states and 2144 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, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:19,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:19,377 INFO L93 Difference]: Finished difference Result 3937 states and 5724 transitions. [2024-12-02 12:43:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:43:19,378 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, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1250 [2024-12-02 12:43:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:19,408 INFO L225 Difference]: With dead ends: 3937 [2024-12-02 12:43:19,409 INFO L226 Difference]: Without dead ends: 2680 [2024-12-02 12:43:19,416 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 12:43:19,417 INFO L435 NwaCegarLoop]: 1283 mSDtfsCounter, 1227 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2237 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 12:43:19,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2237 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:43:19,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2024-12-02 12:43:19,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2659. [2024-12-02 12:43:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 2029 states have (on average 1.401675702316412) internal successors, (2844), 2053 states have internal predecessors, (2844), 517 states have call successors, (517), 113 states have call predecessors, (517), 112 states have return successors, (511), 502 states have call predecessors, (511), 511 states have call successors, (511) [2024-12-02 12:43:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 3872 transitions. [2024-12-02 12:43:19,565 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 3872 transitions. Word has length 1250 [2024-12-02 12:43:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:19,570 INFO L471 AbstractCegarLoop]: Abstraction has 2659 states and 3872 transitions. [2024-12-02 12:43:19,571 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, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3872 transitions. [2024-12-02 12:43:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1253 [2024-12-02 12:43:19,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:19,581 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:43:19,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:43:19,581 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:43:19,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:19,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1640884981, now seen corresponding path program 1 times [2024-12-02 12:43:19,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:19,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716928653] [2024-12-02 12:43:19,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:43:19,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:43:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-12-02 12:43:28,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:28,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716928653] [2024-12-02 12:43:28,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716928653] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:43:28,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:43:28,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:43:28,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824661265] [2024-12-02 12:43:28,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:43:28,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:43:28,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:28,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:43:28,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:43:28,416 INFO L87 Difference]: Start difference. First operand 2659 states and 3872 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:28,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:28,730 INFO L93 Difference]: Finished difference Result 7469 states and 10858 transitions. [2024-12-02 12:43:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:43:28,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1252 [2024-12-02 12:43:28,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:28,754 INFO L225 Difference]: With dead ends: 7469 [2024-12-02 12:43:28,754 INFO L226 Difference]: Without dead ends: 5024 [2024-12-02 12:43:28,761 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 12:43:28,762 INFO L435 NwaCegarLoop]: 1315 mSDtfsCounter, 1231 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 2260 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 12:43:28,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 2260 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:43:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5024 states. [2024-12-02 12:43:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5024 to 5003. [2024-12-02 12:43:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5003 states, 3867 states have (on average 1.4109128523403154) internal successors, (5456), 3911 states have internal predecessors, (5456), 913 states have call successors, (913), 223 states have call predecessors, (913), 222 states have return successors, (907), 888 states have call predecessors, (907), 907 states have call successors, (907) [2024-12-02 12:43:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5003 states to 5003 states and 7276 transitions. [2024-12-02 12:43:28,937 INFO L78 Accepts]: Start accepts. Automaton has 5003 states and 7276 transitions. Word has length 1252 [2024-12-02 12:43:28,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:28,939 INFO L471 AbstractCegarLoop]: Abstraction has 5003 states and 7276 transitions. [2024-12-02 12:43:28,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5003 states and 7276 transitions. [2024-12-02 12:43:28,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2024-12-02 12:43:28,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:28,949 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:43:28,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:43:28,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:43:28,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:28,950 INFO L85 PathProgramCache]: Analyzing trace with hash -295804747, now seen corresponding path program 1 times [2024-12-02 12:43:28,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:28,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286860631] [2024-12-02 12:43:28,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:43:28,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:43:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-12-02 12:43:37,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:37,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286860631] [2024-12-02 12:43:37,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286860631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:43:37,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:43:37,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:43:37,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130270980] [2024-12-02 12:43:37,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:43:37,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:43:37,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:37,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:43:37,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:43:37,878 INFO L87 Difference]: Start difference. First operand 5003 states and 7276 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, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:38,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:38,245 INFO L93 Difference]: Finished difference Result 14395 states and 20908 transitions. [2024-12-02 12:43:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:43:38,246 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, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1255 [2024-12-02 12:43:38,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:38,287 INFO L225 Difference]: With dead ends: 14395 [2024-12-02 12:43:38,287 INFO L226 Difference]: Without dead ends: 9606 [2024-12-02 12:43:38,302 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 12:43:38,302 INFO L435 NwaCegarLoop]: 1344 mSDtfsCounter, 1214 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 2289 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 12:43:38,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 2289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:43:38,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9606 states. [2024-12-02 12:43:38,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9606 to 9579. [2024-12-02 12:43:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9579 states, 7455 states have (on average 1.415962441314554) internal successors, (10556), 7539 states have internal predecessors, (10556), 1681 states have call successors, (1681), 443 states have call predecessors, (1681), 442 states have return successors, (1675), 1636 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-12-02 12:43:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9579 states to 9579 states and 13912 transitions. [2024-12-02 12:43:38,597 INFO L78 Accepts]: Start accepts. Automaton has 9579 states and 13912 transitions. Word has length 1255 [2024-12-02 12:43:38,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:38,599 INFO L471 AbstractCegarLoop]: Abstraction has 9579 states and 13912 transitions. [2024-12-02 12:43:38,599 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, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 9579 states and 13912 transitions. [2024-12-02 12:43:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1257 [2024-12-02 12:43:38,613 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:38,614 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:43:38,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:43:38,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:43:38,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:38,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1260711447, now seen corresponding path program 1 times [2024-12-02 12:43:38,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:38,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853290197] [2024-12-02 12:43:38,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:43:38,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:43:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-12-02 12:43:47,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:47,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853290197] [2024-12-02 12:43:47,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853290197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:43:47,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:43:47,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:43:47,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017089275] [2024-12-02 12:43:47,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:43:47,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:43:47,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:47,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:43:47,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:43:47,277 INFO L87 Difference]: Start difference. First operand 9579 states and 13912 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:43:47,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:47,411 INFO L93 Difference]: Finished difference Result 9581 states and 13913 transitions. [2024-12-02 12:43:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:43:47,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1256 [2024-12-02 12:43:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:47,463 INFO L225 Difference]: With dead ends: 9581 [2024-12-02 12:43:47,463 INFO L226 Difference]: Without dead ends: 9578 [2024-12-02 12:43:47,467 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 12:43:47,468 INFO L435 NwaCegarLoop]: 1274 mSDtfsCounter, 1042 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1274 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 12:43:47,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1274 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:43:47,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9578 states. [2024-12-02 12:43:47,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9578 to 9578. [2024-12-02 12:43:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9578 states, 7455 states have (on average 1.4158283031522467) internal successors, (10555), 7538 states have internal predecessors, (10555), 1680 states have call successors, (1680), 443 states have call predecessors, (1680), 442 states have return successors, (1675), 1636 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-12-02 12:43:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9578 states to 9578 states and 13910 transitions. [2024-12-02 12:43:47,806 INFO L78 Accepts]: Start accepts. Automaton has 9578 states and 13910 transitions. Word has length 1256 [2024-12-02 12:43:47,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:47,807 INFO L471 AbstractCegarLoop]: Abstraction has 9578 states and 13910 transitions. [2024-12-02 12:43:47,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:43:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9578 states and 13910 transitions. [2024-12-02 12:43:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1261 [2024-12-02 12:43:47,818 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:47,819 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:43:47,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:43:47,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:43:47,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1475106438, now seen corresponding path program 1 times [2024-12-02 12:43:47,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:47,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545853506] [2024-12-02 12:43:47,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:43:47,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:43:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-12-02 12:43:55,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:55,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545853506] [2024-12-02 12:43:55,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545853506] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:43:55,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:43:55,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:43:55,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475853909] [2024-12-02 12:43:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:43:55,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:43:55,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:55,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:43:55,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:43:55,937 INFO L87 Difference]: Start difference. First operand 9578 states and 13910 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, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:56,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:56,610 INFO L93 Difference]: Finished difference Result 27592 states and 39994 transitions. [2024-12-02 12:43:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:43:56,611 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, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1260 [2024-12-02 12:43:56,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:56,704 INFO L225 Difference]: With dead ends: 27592 [2024-12-02 12:43:56,704 INFO L226 Difference]: Without dead ends: 18228 [2024-12-02 12:43:56,735 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 12:43:56,736 INFO L435 NwaCegarLoop]: 1371 mSDtfsCounter, 1167 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:43:56,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 2320 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:43:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18228 states. [2024-12-02 12:43:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18228 to 18194. [2024-12-02 12:43:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 14319 states have (on average 1.4226552133528878) internal successors, (20371), 14482 states have internal predecessors, (20371), 2992 states have call successors, (2992), 883 states have call predecessors, (2992), 882 states have return successors, (2987), 2908 states have call predecessors, (2987), 2987 states have call successors, (2987) [2024-12-02 12:43:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 26350 transitions. [2024-12-02 12:43:57,492 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 26350 transitions. Word has length 1260 [2024-12-02 12:43:57,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:57,493 INFO L471 AbstractCegarLoop]: Abstraction has 18194 states and 26350 transitions. [2024-12-02 12:43:57,493 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, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-12-02 12:43:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 26350 transitions. [2024-12-02 12:43:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2024-12-02 12:43:57,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:57,509 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:43:57,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:43:57,509 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:43:57,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash -427722781, now seen corresponding path program 1 times [2024-12-02 12:43:57,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:57,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548920895] [2024-12-02 12:43:57,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:43:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-12-02 12:44:05,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:05,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548920895] [2024-12-02 12:44:05,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548920895] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:44:05,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:44:05,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:44:05,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46624152] [2024-12-02 12:44:05,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:44:05,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:44:05,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:05,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:44:05,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:44:05,984 INFO L87 Difference]: Start difference. First operand 18194 states and 26350 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:44:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:06,308 INFO L93 Difference]: Finished difference Result 18390 states and 26480 transitions. [2024-12-02 12:44:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:44:06,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1257 [2024-12-02 12:44:06,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:06,402 INFO L225 Difference]: With dead ends: 18390 [2024-12-02 12:44:06,402 INFO L226 Difference]: Without dead ends: 18386 [2024-12-02 12:44:06,413 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 12:44:06,414 INFO L435 NwaCegarLoop]: 1269 mSDtfsCounter, 984 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:44:06,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1325 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:44:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18386 states. [2024-12-02 12:44:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18386 to 18384. [2024-12-02 12:44:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18384 states, 14447 states have (on average 1.4166262891949886) internal successors, (20466), 14608 states have internal predecessors, (20466), 2990 states have call successors, (2990), 947 states have call predecessors, (2990), 946 states have return successors, (2987), 2908 states have call predecessors, (2987), 2987 states have call successors, (2987) [2024-12-02 12:44:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18384 states to 18384 states and 26443 transitions. [2024-12-02 12:44:07,184 INFO L78 Accepts]: Start accepts. Automaton has 18384 states and 26443 transitions. Word has length 1257 [2024-12-02 12:44:07,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:07,185 INFO L471 AbstractCegarLoop]: Abstraction has 18384 states and 26443 transitions. [2024-12-02 12:44:07,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:44:07,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18384 states and 26443 transitions. [2024-12-02 12:44:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2024-12-02 12:44:07,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:07,203 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:44:07,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:44:07,203 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:44:07,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash -374873044, now seen corresponding path program 1 times [2024-12-02 12:44:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:07,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424265262] [2024-12-02 12:44:07,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:44:07,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-12-02 12:44:15,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:15,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424265262] [2024-12-02 12:44:15,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424265262] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:44:15,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:44:15,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:44:15,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069210172] [2024-12-02 12:44:15,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:44:15,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:44:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:15,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:44:15,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:44:15,673 INFO L87 Difference]: Start difference. First operand 18384 states and 26443 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:44:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:15,986 INFO L93 Difference]: Finished difference Result 18386 states and 26444 transitions. [2024-12-02 12:44:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:44:15,987 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), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1258 [2024-12-02 12:44:15,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:16,046 INFO L225 Difference]: With dead ends: 18386 [2024-12-02 12:44:16,047 INFO L226 Difference]: Without dead ends: 18383 [2024-12-02 12:44:16,054 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 12:44:16,055 INFO L435 NwaCegarLoop]: 1268 mSDtfsCounter, 1034 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1268 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 12:44:16,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1268 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:44:16,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18383 states. [2024-12-02 12:44:16,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18383 to 18383. [2024-12-02 12:44:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18383 states, 14447 states have (on average 1.4165570706721118) internal successors, (20465), 14607 states have internal predecessors, (20465), 2989 states have call successors, (2989), 947 states have call predecessors, (2989), 946 states have return successors, (2987), 2908 states have call predecessors, (2987), 2987 states have call successors, (2987) [2024-12-02 12:44:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18383 states to 18383 states and 26441 transitions. [2024-12-02 12:44:16,790 INFO L78 Accepts]: Start accepts. Automaton has 18383 states and 26441 transitions. Word has length 1258 [2024-12-02 12:44:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:16,791 INFO L471 AbstractCegarLoop]: Abstraction has 18383 states and 26441 transitions. [2024-12-02 12:44:16,791 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), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:44:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 18383 states and 26441 transitions. [2024-12-02 12:44:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2024-12-02 12:44:16,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:16,801 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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] [2024-12-02 12:44:16,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:44:16,802 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:44:16,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:16,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1263473670, now seen corresponding path program 1 times [2024-12-02 12:44:16,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:16,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704972303] [2024-12-02 12:44:16,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:44:16,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-12-02 12:44:24,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:24,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704972303] [2024-12-02 12:44:24,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704972303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:44:24,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:44:24,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:44:24,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978265477] [2024-12-02 12:44:24,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:44:24,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:44:24,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:24,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:44:24,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:44:24,953 INFO L87 Difference]: Start difference. First operand 18383 states and 26441 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, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:44:25,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:25,266 INFO L93 Difference]: Finished difference Result 18385 states and 26442 transitions. [2024-12-02 12:44:25,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:44:25,266 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, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1259 [2024-12-02 12:44:25,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:25,316 INFO L225 Difference]: With dead ends: 18385 [2024-12-02 12:44:25,316 INFO L226 Difference]: Without dead ends: 18371 [2024-12-02 12:44:25,323 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 12:44:25,324 INFO L435 NwaCegarLoop]: 1267 mSDtfsCounter, 1031 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 1267 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 12:44:25,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:44:25,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18371 states. [2024-12-02 12:44:25,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18371 to 18371. [2024-12-02 12:44:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18371 states, 14438 states have (on average 1.4145310984900956) internal successors, (20423), 14597 states have internal predecessors, (20423), 2987 states have call successors, (2987), 946 states have call predecessors, (2987), 945 states have return successors, (2986), 2907 states have call predecessors, (2986), 2986 states have call successors, (2986) [2024-12-02 12:44:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18371 states to 18371 states and 26396 transitions. [2024-12-02 12:44:25,993 INFO L78 Accepts]: Start accepts. Automaton has 18371 states and 26396 transitions. Word has length 1259 [2024-12-02 12:44:25,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:25,994 INFO L471 AbstractCegarLoop]: Abstraction has 18371 states and 26396 transitions. [2024-12-02 12:44:25,994 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, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-12-02 12:44:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 18371 states and 26396 transitions. [2024-12-02 12:44:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2024-12-02 12:44:26,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:26,004 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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, 1, 1, 1, 1] [2024-12-02 12:44:26,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:44:26,005 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:44:26,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash -130462170, now seen corresponding path program 1 times [2024-12-02 12:44:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:26,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74754506] [2024-12-02 12:44:26,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:44:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-12-02 12:44:33,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:33,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74754506] [2024-12-02 12:44:33,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74754506] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:44:33,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:44:33,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:44:33,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261866639] [2024-12-02 12:44:33,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:44:33,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:44:33,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:33,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:44:33,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:44:33,951 INFO L87 Difference]: Start difference. First operand 18371 states and 26396 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 12:44:34,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:34,952 INFO L93 Difference]: Finished difference Result 54195 states and 77805 transitions. [2024-12-02 12:44:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:44:34,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 1279 [2024-12-02 12:44:34,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:35,046 INFO L225 Difference]: With dead ends: 54195 [2024-12-02 12:44:35,046 INFO L226 Difference]: Without dead ends: 36038 [2024-12-02 12:44:35,082 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 12:44:35,083 INFO L435 NwaCegarLoop]: 1411 mSDtfsCounter, 1187 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 2339 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 12:44:35,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 2339 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:44:35,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36038 states. [2024-12-02 12:44:35,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36038 to 36019. [2024-12-02 12:44:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36019 states, 28326 states have (on average 1.4146367295064606) internal successors, (40071), 28645 states have internal predecessors, (40071), 5803 states have call successors, (5803), 1890 states have call predecessors, (5803), 1889 states have return successors, (5802), 5643 states have call predecessors, (5802), 5802 states have call successors, (5802) [2024-12-02 12:44:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36019 states to 36019 states and 51676 transitions. [2024-12-02 12:44:36,116 INFO L78 Accepts]: Start accepts. Automaton has 36019 states and 51676 transitions. Word has length 1279 [2024-12-02 12:44:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:36,117 INFO L471 AbstractCegarLoop]: Abstraction has 36019 states and 51676 transitions. [2024-12-02 12:44:36,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 12:44:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 36019 states and 51676 transitions. [2024-12-02 12:44:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1290 [2024-12-02 12:44:36,128 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:36,128 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:44:36,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:44:36,128 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:44:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1503955058, now seen corresponding path program 1 times [2024-12-02 12:44:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863036155] [2024-12-02 12:44:36,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:44:36,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24936 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24936 trivial. 0 not checked. [2024-12-02 12:44:44,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:44,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863036155] [2024-12-02 12:44:44,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863036155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:44:44,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:44:44,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:44:44,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654177528] [2024-12-02 12:44:44,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:44:44,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:44:44,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:44,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:44:44,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:44:44,679 INFO L87 Difference]: Start difference. First operand 36019 states and 51676 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 12:44:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:46,496 INFO L93 Difference]: Finished difference Result 106819 states and 153117 transitions. [2024-12-02 12:44:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:44:46,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 1289 [2024-12-02 12:44:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:46,722 INFO L225 Difference]: With dead ends: 106819 [2024-12-02 12:44:46,722 INFO L226 Difference]: Without dead ends: 71014 [2024-12-02 12:44:46,790 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 12:44:46,790 INFO L435 NwaCegarLoop]: 1432 mSDtfsCounter, 1201 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 2360 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 12:44:46,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 2360 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:44:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71014 states. [2024-12-02 12:44:48,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71014 to 71003. [2024-12-02 12:44:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71003 states, 55806 states have (on average 1.4128767516037701) internal successors, (78847), 56445 states have internal predecessors, (78847), 11419 states have call successors, (11419), 3778 states have call predecessors, (11419), 3777 states have return successors, (11418), 11099 states have call predecessors, (11418), 11418 states have call successors, (11418) [2024-12-02 12:44:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71003 states to 71003 states and 101684 transitions. [2024-12-02 12:44:48,987 INFO L78 Accepts]: Start accepts. Automaton has 71003 states and 101684 transitions. Word has length 1289 [2024-12-02 12:44:48,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:48,988 INFO L471 AbstractCegarLoop]: Abstraction has 71003 states and 101684 transitions. [2024-12-02 12:44:48,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 12:44:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 71003 states and 101684 transitions. [2024-12-02 12:44:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1287 [2024-12-02 12:44:48,999 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:48,999 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:44:48,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:44:48,999 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:44:49,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:49,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2116751026, now seen corresponding path program 1 times [2024-12-02 12:44:49,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:49,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80467392] [2024-12-02 12:44:49,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:44:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-12-02 12:44:58,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80467392] [2024-12-02 12:44:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80467392] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:44:58,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:44:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:44:58,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477316471] [2024-12-02 12:44:58,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:44:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:44:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:58,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:44:58,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:44:58,088 INFO L87 Difference]: Start difference. First operand 71003 states and 101684 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (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 12:45:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:01,580 INFO L93 Difference]: Finished difference Result 208869 states and 299047 transitions. [2024-12-02 12:45:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:45:01,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (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 1286 [2024-12-02 12:45:01,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:02,204 INFO L225 Difference]: With dead ends: 208869 [2024-12-02 12:45:02,204 INFO L226 Difference]: Without dead ends: 138080 [2024-12-02 12:45:02,319 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 12:45:02,320 INFO L435 NwaCegarLoop]: 1482 mSDtfsCounter, 1164 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 2407 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 12:45:02,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 2407 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:45:02,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138080 states. [2024-12-02 12:45:06,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138080 to 138077. [2024-12-02 12:45:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138077 states, 108692 states have (on average 1.4130662790269752) internal successors, (153589), 109907 states have internal predecessors, (153589), 21981 states have call successors, (21981), 7404 states have call predecessors, (21981), 7403 states have return successors, (21980), 21405 states have call predecessors, (21980), 21980 states have call successors, (21980) [2024-12-02 12:45:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138077 states to 138077 states and 197550 transitions. [2024-12-02 12:45:06,460 INFO L78 Accepts]: Start accepts. Automaton has 138077 states and 197550 transitions. Word has length 1286 [2024-12-02 12:45:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:06,461 INFO L471 AbstractCegarLoop]: Abstraction has 138077 states and 197550 transitions. [2024-12-02 12:45:06,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 2 states have call successors, (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 12:45:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 138077 states and 197550 transitions. [2024-12-02 12:45:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2024-12-02 12:45:06,471 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:06,471 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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, 1, 1] [2024-12-02 12:45:06,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:45:06,472 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:45:06,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:06,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1484016210, now seen corresponding path program 1 times [2024-12-02 12:45:06,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:06,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137383454] [2024-12-02 12:45:06,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:06,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 24936 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24936 trivial. 0 not checked. [2024-12-02 12:45:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137383454] [2024-12-02 12:45:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137383454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:15,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:15,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:45:15,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589903756] [2024-12-02 12:45:15,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:15,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:45:15,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:15,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:45:15,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:45:15,447 INFO L87 Difference]: Start difference. First operand 138077 states and 197550 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 12:45:22,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:22,099 INFO L93 Difference]: Finished difference Result 410710 states and 587131 transitions. [2024-12-02 12:45:22,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:45:22,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 1283 [2024-12-02 12:45:22,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:23,144 INFO L225 Difference]: With dead ends: 410710 [2024-12-02 12:45:23,144 INFO L226 Difference]: Without dead ends: 272857 [2024-12-02 12:45:23,376 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 12:45:23,376 INFO L435 NwaCegarLoop]: 1495 mSDtfsCounter, 1231 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 2423 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 12:45:23,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 2423 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:45:23,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272857 states. [2024-12-02 12:45:32,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272857 to 272852. [2024-12-02 12:45:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272852 states, 214448 states have (on average 1.4103605536074013) internal successors, (302449), 216879 states have internal predecessors, (302449), 43600 states have call successors, (43600), 14804 states have call predecessors, (43600), 14803 states have return successors, (43599), 42448 states have call predecessors, (43599), 43599 states have call successors, (43599) [2024-12-02 12:45:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272852 states to 272852 states and 389648 transitions. [2024-12-02 12:45:33,449 INFO L78 Accepts]: Start accepts. Automaton has 272852 states and 389648 transitions. Word has length 1283 [2024-12-02 12:45:33,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:33,449 INFO L471 AbstractCegarLoop]: Abstraction has 272852 states and 389648 transitions. [2024-12-02 12:45:33,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 12:45:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 272852 states and 389648 transitions. [2024-12-02 12:45:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1299 [2024-12-02 12:45:33,460 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:33,460 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:45:33,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:45:33,460 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:45:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1326461466, now seen corresponding path program 1 times [2024-12-02 12:45:33,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:33,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524764302] [2024-12-02 12:45:33,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:33,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24936 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24936 trivial. 0 not checked. [2024-12-02 12:45:42,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:42,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524764302] [2024-12-02 12:45:42,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524764302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:42,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:42,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:45:42,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527022149] [2024-12-02 12:45:42,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:42,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:45:42,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:42,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:45:42,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:45:42,432 INFO L87 Difference]: Start difference. First operand 272852 states and 389648 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 12:45:57,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:57,313 INFO L93 Difference]: Finished difference Result 811771 states and 1158267 transitions. [2024-12-02 12:45:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:45:57,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 1298 [2024-12-02 12:45:57,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:59,215 INFO L225 Difference]: With dead ends: 811771 [2024-12-02 12:45:59,216 INFO L226 Difference]: Without dead ends: 539143 [2024-12-02 12:45:59,930 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 12:45:59,931 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 1185 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2459 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 12:45:59,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 2459 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:46:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539143 states. [2024-12-02 12:46:16,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539143 to 539076. [2024-12-02 12:46:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539076 states, 422992 states have (on average 1.4076129099368309) internal successors, (595409), 427855 states have internal predecessors, (595409), 86480 states have call successors, (86480), 29604 states have call predecessors, (86480), 29603 states have return successors, (86479), 84176 states have call predecessors, (86479), 86479 states have call successors, (86479) [2024-12-02 12:46:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539076 states to 539076 states and 768368 transitions. [2024-12-02 12:46:19,374 INFO L78 Accepts]: Start accepts. Automaton has 539076 states and 768368 transitions. Word has length 1298 [2024-12-02 12:46:19,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:19,375 INFO L471 AbstractCegarLoop]: Abstraction has 539076 states and 768368 transitions. [2024-12-02 12:46:19,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 12:46:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 539076 states and 768368 transitions. [2024-12-02 12:46:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1302 [2024-12-02 12:46:19,385 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:19,385 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:46:19,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:46:19,386 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:46:19,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:19,386 INFO L85 PathProgramCache]: Analyzing trace with hash 819190213, now seen corresponding path program 1 times [2024-12-02 12:46:19,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:19,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264850845] [2024-12-02 12:46:19,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:46:19,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:46:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 24936 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24936 trivial. 0 not checked. [2024-12-02 12:46:27,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:27,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264850845] [2024-12-02 12:46:27,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264850845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:46:27,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:46:27,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:46:27,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986725474] [2024-12-02 12:46:27,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:46:27,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:46:27,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:27,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:46:27,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:46:27,513 INFO L87 Difference]: Start difference. First operand 539076 states and 768368 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (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)