./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme --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 372b228f80480ecd742aef5a3f71ea964394f183115b33b2737cae044422d6a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:19,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:19,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:53:19,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:19,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:19,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:19,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:19,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:19,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:53:19,225 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:53:19,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:53:19,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:53:19,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:19,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:19,230 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:19,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:19,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:53:19,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:53:19,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:19,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:53:19,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:53:19,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:53:19,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:19,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:19,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:19,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:19,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:53:19,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:53:19,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:19,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:19,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:53:19,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:53:19,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:53:19,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:53:19,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:53:19,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:53:19,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:53:19,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:53:19,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:53:19,242 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372b228f80480ecd742aef5a3f71ea964394f183115b33b2737cae044422d6a1 [2023-11-26 11:53:19,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:19,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:19,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:19,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:19,674 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:19,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2023-11-26 11:53:23,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:23,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:23,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2023-11-26 11:53:23,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/data/aa2b08e65/995b4692a4dc4f769c96b4148ae31efc/FLAG90790ec7f [2023-11-26 11:53:23,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/data/aa2b08e65/995b4692a4dc4f769c96b4148ae31efc [2023-11-26 11:53:23,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:23,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:23,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:23,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:23,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:23,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:23" (1/1) ... [2023-11-26 11:53:23,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138ea8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:23, skipping insertion in model container [2023-11-26 11:53:23,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:23" (1/1) ... [2023-11-26 11:53:23,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:25,480 WARN L240 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_c284a167-7cb6-4ece-8d59-35cc2f4551a1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2023-11-26 11:53:25,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:25,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:26,063 WARN L240 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_c284a167-7cb6-4ece-8d59-35cc2f4551a1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i[166121,166134] [2023-11-26 11:53:26,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:26,315 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:53:26,323 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:26,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26 WrapperNode [2023-11-26 11:53:26,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:26,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:26,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:26,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:26,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:26,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:26,722 INFO L138 Inliner]: procedures = 178, calls = 3619, calls flagged for inlining = 74, calls inlined = 37, statements flattened = 4762 [2023-11-26 11:53:26,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:26,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:26,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:26,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:26,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:26,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:26,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:26,985 INFO L175 MemorySlicer]: Split 2656 memory accesses to 49 slices as follows [4, 4, 4, 14, 4, 4, 154, 11, 11, 11, 11, 4, 6, 4, 7, 6, 4, 251, 4, 2, 3, 2, 3, 4, 4, 4, 4, 4, 14, 2, 4, 8, 4, 30, 8, 1641, 72, 178, 1, 6, 111, 4, 4, 4, 4, 4, 4, 1, 4]. 62 percent of accesses are in the largest equivalence class. The 2382 initializations are split as follows [4, 4, 0, 0, 4, 4, 0, 4, 10, 10, 10, 4, 5, 4, 5, 5, 4, 251, 3, 2, 2, 2, 2, 4, 3, 4, 3, 4, 12, 0, 4, 3, 4, 30, 8, 1641, 0, 178, 0, 6, 111, 4, 4, 4, 4, 4, 4, 0, 4]. The 169 writes are split as follows [0, 0, 0, 3, 0, 0, 132, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2023-11-26 11:53:26,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:26,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:27,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:27,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:27,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:27,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:27,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:27,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:27,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:27,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:27,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (1/1) ... [2023-11-26 11:53:27,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:27,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:27,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c284a167-7cb6-4ece-8d59-35cc2f4551a1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-26 11:53:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-26 11:53:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-26 11:53:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-26 11:53:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:53:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:53:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:53:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:53:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:53:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:53:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:53:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:53:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:53:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:53:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:53:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:53:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:53:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:53:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:53:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:53:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:53:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 11:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 11:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 11:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 11:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 11:53:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 11:53:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 11:53:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 11:53:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 11:53:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 11:53:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 11:53:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 11:53:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 11:53:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 11:53:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 11:53:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-26 11:53:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-26 11:53:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-26 11:53:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-26 11:53:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-26 11:53:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-26 11:53:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-26 11:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-26 11:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-26 11:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-26 11:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-26 11:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-26 11:53:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-26 11:53:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-26 11:53:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-26 11:53:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-26 11:53:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-26 11:53:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-26 11:53:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-26 11:53:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-26 11:53:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:53:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:53:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_write [2023-11-26 11:53:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_write [2023-11-26 11:53:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:53:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:53:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:53:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:53:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:53:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:53:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:53:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:53:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:53:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:53:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:53:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:53:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:53:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:53:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:53:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:53:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:53:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:53:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 11:53:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 11:53:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 11:53:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 11:53:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 11:53:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 11:53:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 11:53:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 11:53:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 11:53:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 11:53:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 11:53:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 11:53:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 11:53:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 11:53:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 11:53:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-26 11:53:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-26 11:53:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-26 11:53:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-26 11:53:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-26 11:53:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-26 11:53:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-26 11:53:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-26 11:53:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-26 11:53:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-26 11:53:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-26 11:53:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-26 11:53:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-26 11:53:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-26 11:53:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-26 11:53:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-26 11:53:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 11:53:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 11:53:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:53:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:53:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-26 11:53:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-26 11:53:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_read [2023-11-26 11:53:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_read [2023-11-26 11:53:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:53:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:53:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:53:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 11:53:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 11:53:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:53:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:53:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:53:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:53:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:53:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:53:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:53:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:53:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:53:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:53:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:53:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:53:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:53:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:53:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:53:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:53:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 11:53:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 11:53:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 11:53:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 11:53:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 11:53:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 11:53:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 11:53:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 11:53:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 11:53:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 11:53:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 11:53:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 11:53:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 11:53:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-26 11:53:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-26 11:53:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-26 11:53:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-26 11:53:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-26 11:53:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-26 11:53:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-26 11:53:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-26 11:53:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2023-11-26 11:53:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2023-11-26 11:53:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2023-11-26 11:53:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2023-11-26 11:53:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2023-11-26 11:53:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2023-11-26 11:53:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2023-11-26 11:53:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2023-11-26 11:53:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2023-11-26 11:53:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#45 [2023-11-26 11:53:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#46 [2023-11-26 11:53:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#47 [2023-11-26 11:53:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#48 [2023-11-26 11:53:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:53:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-26 11:53:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83791d_data [2023-11-26 11:53:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83791d_data [2023-11-26 11:53:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:53:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:53:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:53:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:53:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:53:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:53:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:53:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:53:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:53:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:53:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:53:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 11:53:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 11:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 11:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 11:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 11:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 11:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 11:53:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 11:53:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 11:53:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 11:53:27,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 11:53:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 11:53:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 11:53:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-26 11:53:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-26 11:53:27,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-26 11:53:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-26 11:53:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-26 11:53:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-26 11:53:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-26 11:53:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-26 11:53:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2023-11-26 11:53:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2023-11-26 11:53:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2023-11-26 11:53:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2023-11-26 11:53:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2023-11-26 11:53:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2023-11-26 11:53:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2023-11-26 11:53:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2023-11-26 11:53:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2023-11-26 11:53:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#45 [2023-11-26 11:53:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#46 [2023-11-26 11:53:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#47 [2023-11-26 11:53:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#48 [2023-11-26 11:53:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_update_device [2023-11-26 11:53:27,483 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_update_device [2023-11-26 11:53:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:53:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-26 11:53:27,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-26 11:53:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:53:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:53:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:53:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:53:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:53:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:53:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:53:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:53:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:53:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:53:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:53:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:53:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:53:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:53:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:53:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 11:53:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 11:53:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 11:53:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 11:53:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 11:53:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 11:53:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 11:53:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 11:53:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 11:53:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 11:53:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 11:53:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 11:53:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 11:53:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-26 11:53:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-26 11:53:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-26 11:53:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-26 11:53:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-26 11:53:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-26 11:53:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-26 11:53:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-26 11:53:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2023-11-26 11:53:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2023-11-26 11:53:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2023-11-26 11:53:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2023-11-26 11:53:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2023-11-26 11:53:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2023-11-26 11:53:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2023-11-26 11:53:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2023-11-26 11:53:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2023-11-26 11:53:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#45 [2023-11-26 11:53:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#46 [2023-11-26 11:53:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#47 [2023-11-26 11:53:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#48 [2023-11-26 11:53:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-26 11:53:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-26 11:53:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 11:53:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 11:53:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83791d_data [2023-11-26 11:53:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83791d_data [2023-11-26 11:53:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2023-11-26 11:53:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2023-11-26 11:53:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:53:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:53:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:53:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:53:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:53:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:53:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:53:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:53:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:53:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:53:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:53:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:53:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:53:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:53:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:53:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:53:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:53:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:53:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:53:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:53:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 11:53:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 11:53:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 11:53:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 11:53:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 11:53:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 11:53:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 11:53:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 11:53:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 11:53:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 11:53:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 11:53:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 11:53:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 11:53:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-26 11:53:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-26 11:53:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-26 11:53:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-26 11:53:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-26 11:53:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-26 11:53:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-26 11:53:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-26 11:53:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-26 11:53:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-26 11:53:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-26 11:53:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-26 11:53:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-26 11:53:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-26 11:53:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-26 11:53:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-26 11:53:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure w83791d_detect [2023-11-26 11:53:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure w83791d_detect [2023-11-26 11:53:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 11:53:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 11:53:28,187 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:28,190 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:53:34,994 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:53:35,637 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:53:35,638 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:53:35,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:35 BoogieIcfgContainer [2023-11-26 11:53:35,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:53:35,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:53:35,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:53:35,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:53:35,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:53:23" (1/3) ... [2023-11-26 11:53:35,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e10e271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:35, skipping insertion in model container [2023-11-26 11:53:35,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:26" (2/3) ... [2023-11-26 11:53:35,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e10e271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:35, skipping insertion in model container [2023-11-26 11:53:35,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:35" (3/3) ... [2023-11-26 11:53:35,653 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83791d.ko-main.cil.out.i [2023-11-26 11:53:35,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:53:35,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:53:35,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:53:35,779 INFO L357 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, mHoare=true, 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;@271a7c3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:53:35,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:53:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 513 states, 357 states have (on average 1.4481792717086834) internal successors, (517), 366 states have internal predecessors, (517), 133 states have call successors, (133), 21 states have call predecessors, (133), 21 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-11-26 11:53:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 11:53:35,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:35,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:35,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:35,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:35,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1389230560, now seen corresponding path program 1 times [2023-11-26 11:53:35,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934170298] [2023-11-26 11:53:35,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:35,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:37,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:37,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934170298] [2023-11-26 11:53:37,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934170298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:37,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:37,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:37,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25781704] [2023-11-26 11:53:37,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:37,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:37,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:37,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:37,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:37,710 INFO L87 Difference]: Start difference. First operand has 513 states, 357 states have (on average 1.4481792717086834) internal successors, (517), 366 states have internal predecessors, (517), 133 states have call successors, (133), 21 states have call predecessors, (133), 21 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:38,781 INFO L93 Difference]: Finished difference Result 1523 states and 2361 transitions. [2023-11-26 11:53:38,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-26 11:53:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:38,820 INFO L225 Difference]: With dead ends: 1523 [2023-11-26 11:53:38,820 INFO L226 Difference]: Without dead ends: 1009 [2023-11-26 11:53:38,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:38,837 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 748 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:38,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1388 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 11:53:38,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2023-11-26 11:53:39,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 1005. [2023-11-26 11:53:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 704 states have (on average 1.4332386363636365) internal successors, (1009), 713 states have internal predecessors, (1009), 260 states have call successors, (260), 41 states have call predecessors, (260), 40 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2023-11-26 11:53:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1523 transitions. [2023-11-26 11:53:39,034 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1523 transitions. Word has length 12 [2023-11-26 11:53:39,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:39,035 INFO L495 AbstractCegarLoop]: Abstraction has 1005 states and 1523 transitions. [2023-11-26 11:53:39,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1523 transitions. [2023-11-26 11:53:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 11:53:39,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:39,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:39,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:53:39,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:39,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:39,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1452135933, now seen corresponding path program 1 times [2023-11-26 11:53:39,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:39,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027654409] [2023-11-26 11:53:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:39,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:39,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:39,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027654409] [2023-11-26 11:53:39,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027654409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:39,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:39,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:53:39,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939640650] [2023-11-26 11:53:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:39,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:39,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:39,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:39,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:39,801 INFO L87 Difference]: Start difference. First operand 1005 states and 1523 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:40,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:40,311 INFO L93 Difference]: Finished difference Result 1027 states and 1549 transitions. [2023-11-26 11:53:40,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:40,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-26 11:53:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:40,322 INFO L225 Difference]: With dead ends: 1027 [2023-11-26 11:53:40,322 INFO L226 Difference]: Without dead ends: 1016 [2023-11-26 11:53:40,323 INFO L412 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 [2023-11-26 11:53:40,324 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 767 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:40,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 721 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 11:53:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2023-11-26 11:53:40,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1005. [2023-11-26 11:53:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 704 states have (on average 1.4318181818181819) internal successors, (1008), 713 states have internal predecessors, (1008), 260 states have call successors, (260), 41 states have call predecessors, (260), 40 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2023-11-26 11:53:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1522 transitions. [2023-11-26 11:53:40,409 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1522 transitions. Word has length 15 [2023-11-26 11:53:40,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:40,410 INFO L495 AbstractCegarLoop]: Abstraction has 1005 states and 1522 transitions. [2023-11-26 11:53:40,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1522 transitions. [2023-11-26 11:53:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 11:53:40,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:40,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:40,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:53:40,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:40,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:40,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1394877631, now seen corresponding path program 1 times [2023-11-26 11:53:40,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:40,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084731226] [2023-11-26 11:53:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:41,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:41,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084731226] [2023-11-26 11:53:41,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084731226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:41,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:41,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:41,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934178819] [2023-11-26 11:53:41,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:41,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:41,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:41,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:41,095 INFO L87 Difference]: Start difference. First operand 1005 states and 1522 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:41,633 INFO L93 Difference]: Finished difference Result 1007 states and 1523 transitions. [2023-11-26 11:53:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:41,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-26 11:53:41,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:41,641 INFO L225 Difference]: With dead ends: 1007 [2023-11-26 11:53:41,641 INFO L226 Difference]: Without dead ends: 1004 [2023-11-26 11:53:41,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:41,644 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 758 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:41,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 693 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 11:53:41,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2023-11-26 11:53:41,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2023-11-26 11:53:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 704 states have (on average 1.4303977272727273) internal successors, (1007), 712 states have internal predecessors, (1007), 259 states have call successors, (259), 41 states have call predecessors, (259), 40 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2023-11-26 11:53:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1520 transitions. [2023-11-26 11:53:41,722 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1520 transitions. Word has length 15 [2023-11-26 11:53:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:41,722 INFO L495 AbstractCegarLoop]: Abstraction has 1004 states and 1520 transitions. [2023-11-26 11:53:41,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1520 transitions. [2023-11-26 11:53:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:53:41,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:41,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:41,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:53:41,725 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:41,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:41,726 INFO L85 PathProgramCache]: Analyzing trace with hash -291813262, now seen corresponding path program 1 times [2023-11-26 11:53:41,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:41,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584090752] [2023-11-26 11:53:41,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:41,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:42,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:42,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584090752] [2023-11-26 11:53:42,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584090752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:42,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:42,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:42,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589229118] [2023-11-26 11:53:42,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:42,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:42,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:42,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:42,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:42,461 INFO L87 Difference]: Start difference. First operand 1004 states and 1520 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:43,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:43,134 INFO L93 Difference]: Finished difference Result 1006 states and 1521 transitions. [2023-11-26 11:53:43,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:43,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-26 11:53:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:43,143 INFO L225 Difference]: With dead ends: 1006 [2023-11-26 11:53:43,143 INFO L226 Difference]: Without dead ends: 1003 [2023-11-26 11:53:43,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:43,146 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 755 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:43,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 691 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:53:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2023-11-26 11:53:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1003. [2023-11-26 11:53:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 704 states have (on average 1.4289772727272727) internal successors, (1006), 711 states have internal predecessors, (1006), 258 states have call successors, (258), 41 states have call predecessors, (258), 40 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2023-11-26 11:53:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1518 transitions. [2023-11-26 11:53:43,272 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1518 transitions. Word has length 16 [2023-11-26 11:53:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:43,272 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1518 transitions. [2023-11-26 11:53:43,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1518 transitions. [2023-11-26 11:53:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:53:43,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:43,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:43,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:53:43,277 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:43,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:43,278 INFO L85 PathProgramCache]: Analyzing trace with hash -456551324, now seen corresponding path program 1 times [2023-11-26 11:53:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:43,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374761139] [2023-11-26 11:53:43,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:43,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:43,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:43,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374761139] [2023-11-26 11:53:43,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374761139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:43,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:43,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:43,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787486547] [2023-11-26 11:53:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:43,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:43,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:43,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:43,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:43,963 INFO L87 Difference]: Start difference. First operand 1003 states and 1518 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:44,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:44,561 INFO L93 Difference]: Finished difference Result 1005 states and 1519 transitions. [2023-11-26 11:53:44,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:44,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-26 11:53:44,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:44,570 INFO L225 Difference]: With dead ends: 1005 [2023-11-26 11:53:44,570 INFO L226 Difference]: Without dead ends: 1002 [2023-11-26 11:53:44,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:44,572 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 752 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:44,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 689 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 11:53:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2023-11-26 11:53:44,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2023-11-26 11:53:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 704 states have (on average 1.4275568181818181) internal successors, (1005), 710 states have internal predecessors, (1005), 257 states have call successors, (257), 41 states have call predecessors, (257), 40 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2023-11-26 11:53:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1516 transitions. [2023-11-26 11:53:44,664 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1516 transitions. Word has length 17 [2023-11-26 11:53:44,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:44,664 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1516 transitions. [2023-11-26 11:53:44,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1516 transitions. [2023-11-26 11:53:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 11:53:44,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:44,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:44,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:53:44,667 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:44,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1268459083, now seen corresponding path program 1 times [2023-11-26 11:53:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928359059] [2023-11-26 11:53:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:45,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:45,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928359059] [2023-11-26 11:53:45,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928359059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:45,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:45,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:45,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740242438] [2023-11-26 11:53:45,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:45,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:45,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:45,250 INFO L87 Difference]: Start difference. First operand 1002 states and 1516 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:45,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:45,916 INFO L93 Difference]: Finished difference Result 1016 states and 1523 transitions. [2023-11-26 11:53:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:45,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-26 11:53:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:45,924 INFO L225 Difference]: With dead ends: 1016 [2023-11-26 11:53:45,925 INFO L226 Difference]: Without dead ends: 1007 [2023-11-26 11:53:45,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:45,929 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 611 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:45,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 795 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:53:45,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2023-11-26 11:53:46,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 1007. [2023-11-26 11:53:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 705 states have (on average 1.421276595744681) internal successors, (1002), 709 states have internal predecessors, (1002), 255 states have call successors, (255), 47 states have call predecessors, (255), 46 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2023-11-26 11:53:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1511 transitions. [2023-11-26 11:53:46,019 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1511 transitions. Word has length 18 [2023-11-26 11:53:46,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:46,019 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1511 transitions. [2023-11-26 11:53:46,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:46,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1511 transitions. [2023-11-26 11:53:46,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 11:53:46,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:46,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:46,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:53:46,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:46,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:46,023 INFO L85 PathProgramCache]: Analyzing trace with hash -728430423, now seen corresponding path program 1 times [2023-11-26 11:53:46,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:46,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235041828] [2023-11-26 11:53:46,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:46,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:53:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:53:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 11:53:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:46,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:46,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235041828] [2023-11-26 11:53:46,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235041828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:46,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:46,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:46,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632235988] [2023-11-26 11:53:46,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:46,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:46,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:46,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:46,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:46,738 INFO L87 Difference]: Start difference. First operand 1007 states and 1511 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 11:53:49,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:49,952 INFO L93 Difference]: Finished difference Result 3040 states and 4580 transitions. [2023-11-26 11:53:49,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:53:49,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2023-11-26 11:53:49,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:49,973 INFO L225 Difference]: With dead ends: 3040 [2023-11-26 11:53:49,973 INFO L226 Difference]: Without dead ends: 2034 [2023-11-26 11:53:49,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:53:49,979 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 928 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:49,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 1791 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-26 11:53:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2023-11-26 11:53:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1999. [2023-11-26 11:53:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1399 states have (on average 1.4188706218727662) internal successors, (1985), 1407 states have internal predecessors, (1985), 507 states have call successors, (507), 93 states have call predecessors, (507), 92 states have return successors, (506), 506 states have call predecessors, (506), 506 states have call successors, (506) [2023-11-26 11:53:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2998 transitions. [2023-11-26 11:53:50,208 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2998 transitions. Word has length 42 [2023-11-26 11:53:50,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:50,208 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 2998 transitions. [2023-11-26 11:53:50,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 11:53:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2998 transitions. [2023-11-26 11:53:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-26 11:53:50,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:50,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:50,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:53:50,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:50,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:50,215 INFO L85 PathProgramCache]: Analyzing trace with hash 846117858, now seen corresponding path program 1 times [2023-11-26 11:53:50,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:50,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501329494] [2023-11-26 11:53:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 11:53:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 11:53:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:53:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:50,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:50,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501329494] [2023-11-26 11:53:50,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501329494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:50,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:50,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:50,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831416501] [2023-11-26 11:53:50,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:50,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:50,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:50,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:50,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:50,816 INFO L87 Difference]: Start difference. First operand 1999 states and 2998 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 11:53:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:54,659 INFO L93 Difference]: Finished difference Result 5580 states and 8411 transitions. [2023-11-26 11:53:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:53:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2023-11-26 11:53:54,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:54,684 INFO L225 Difference]: With dead ends: 5580 [2023-11-26 11:53:54,684 INFO L226 Difference]: Without dead ends: 3582 [2023-11-26 11:53:54,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:53:54,692 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 907 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:54,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 2416 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-26 11:53:54,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2023-11-26 11:53:54,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3515. [2023-11-26 11:53:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 2475 states have (on average 1.4274747474747476) internal successors, (3533), 2491 states have internal predecessors, (3533), 871 states have call successors, (871), 169 states have call predecessors, (871), 168 states have return successors, (870), 870 states have call predecessors, (870), 870 states have call successors, (870) [2023-11-26 11:53:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 5274 transitions. [2023-11-26 11:53:55,008 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 5274 transitions. Word has length 43 [2023-11-26 11:53:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:55,011 INFO L495 AbstractCegarLoop]: Abstraction has 3515 states and 5274 transitions. [2023-11-26 11:53:55,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 11:53:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 5274 transitions. [2023-11-26 11:53:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-26 11:53:55,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:55,018 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 11:53:55,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:53:55,018 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:55,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:55,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1833458702, now seen corresponding path program 1 times [2023-11-26 11:53:55,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:55,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328614825] [2023-11-26 11:53:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:55,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 11:53:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 11:53:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:53:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:53:55,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:55,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328614825] [2023-11-26 11:53:55,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328614825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:55,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:55,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:55,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870777894] [2023-11-26 11:53:55,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:55,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:55,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:55,691 INFO L87 Difference]: Start difference. First operand 3515 states and 5274 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 11:53:58,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:58,274 INFO L93 Difference]: Finished difference Result 7099 states and 10701 transitions. [2023-11-26 11:53:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:53:58,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2023-11-26 11:53:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:58,303 INFO L225 Difference]: With dead ends: 7099 [2023-11-26 11:53:58,303 INFO L226 Difference]: Without dead ends: 3585 [2023-11-26 11:53:58,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:53:58,319 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 164 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:58,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1783 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-26 11:53:58,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2023-11-26 11:53:58,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3521. [2023-11-26 11:53:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3521 states, 2481 states have (on average 1.426440951229343) internal successors, (3539), 2497 states have internal predecessors, (3539), 871 states have call successors, (871), 169 states have call predecessors, (871), 168 states have return successors, (870), 870 states have call predecessors, (870), 870 states have call successors, (870) [2023-11-26 11:53:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 5280 transitions. [2023-11-26 11:53:58,685 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 5280 transitions. Word has length 53 [2023-11-26 11:53:58,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:58,687 INFO L495 AbstractCegarLoop]: Abstraction has 3521 states and 5280 transitions. [2023-11-26 11:53:58,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 11:53:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 5280 transitions. [2023-11-26 11:53:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-26 11:53:58,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:58,694 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 11:53:58,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:53:58,694 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:58,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1024112076, now seen corresponding path program 1 times [2023-11-26 11:53:58,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:58,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780727442] [2023-11-26 11:53:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 11:53:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:53:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 11:53:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:53:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:53:59,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:59,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780727442] [2023-11-26 11:53:59,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780727442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:59,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:59,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703855949] [2023-11-26 11:53:59,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:59,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:59,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:59,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:59,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:59,588 INFO L87 Difference]: Start difference. First operand 3521 states and 5280 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 11:54:01,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:01,767 INFO L93 Difference]: Finished difference Result 3585 states and 5414 transitions. [2023-11-26 11:54:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:54:01,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2023-11-26 11:54:01,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:01,769 INFO L225 Difference]: With dead ends: 3585 [2023-11-26 11:54:01,769 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:54:01,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:54:01,780 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 262 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:01,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1683 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-26 11:54:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:54:01,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:54:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:54:01,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2023-11-26 11:54:01,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:01,783 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:54:01,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 11:54:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:54:01,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:54:01,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:54:01,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:54:01,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.