./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 11:18:15,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:18:15,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:18:15,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:18:15,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:18:15,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:18:15,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:18:15,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:18:15,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:18:15,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:18:15,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:18:15,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:18:15,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:18:15,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:18:15,427 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:18:15,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:18:15,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:18:15,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:18:15,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:18:15,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:18:15,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:18:15,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:18:15,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:18:15,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:18:15,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:18:15,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:18:15,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:18:15,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:18:15,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:18:15,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:18:15,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:18:15,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:18:15,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:18:15,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:18:15,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:18:15,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:18:15,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:18:15,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:18:15,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:18:15,435 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9 [2024-11-20 11:18:15,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:18:15,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:18:15,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:18:15,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:18:15,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:18:15,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-20 11:18:17,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:18:17,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:18:17,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-20 11:18:17,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09dcefa9/16ff119c3f3f48688dd2ea213fdd8afe/FLAG9c8bd8d5f [2024-11-20 11:18:17,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b09dcefa9/16ff119c3f3f48688dd2ea213fdd8afe [2024-11-20 11:18:17,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:18:17,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:18:17,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:18:17,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:18:17,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:18:17,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:17" (1/1) ... [2024-11-20 11:18:17,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c92138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:17, skipping insertion in model container [2024-11-20 11:18:17,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:17" (1/1) ... [2024-11-20 11:18:17,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:18:18,119 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-11-20 11:18:18,120 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2024-11-20 11:18:18,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854] [2024-11-20 11:18:18,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:18:18,551 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:18:18,617 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2024-11-20 11:18:18,618 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2024-11-20 11:18:18,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854] [2024-11-20 11:18:18,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:18:18,804 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:18:18,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18 WrapperNode [2024-11-20 11:18:18,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:18:18,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:18:18,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:18:18,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:18:18,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:18,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:18,968 INFO L138 Inliner]: procedures = 143, calls = 706, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2149 [2024-11-20 11:18:18,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:18:18,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:18:18,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:18:18,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:18:18,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:18,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,165 INFO L175 MemorySlicer]: Split 358 memory accesses to 19 slices as follows [9, 2, 3, 8, 31, 5, 4, 7, 10, 143, 5, 13, 6, 12, 12, 28, 42, 13, 5]. 40 percent of accesses are in the largest equivalence class. The 118 initializations are split as follows [6, 2, 3, 8, 0, 5, 4, 0, 0, 0, 0, 13, 6, 0, 12, 0, 42, 13, 4]. The 117 writes are split as follows [0, 0, 0, 0, 31, 0, 0, 6, 10, 43, 3, 0, 0, 0, 0, 24, 0, 0, 0]. [2024-11-20 11:18:19,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:18:19,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:18:19,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:18:19,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:18:19,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (1/1) ... [2024-11-20 11:18:19,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:18:19,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:18:19,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 11:18:19,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 11:18:19,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:18:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:18:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:18:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:18:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:18:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:18:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:18:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 11:18:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 11:18:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 11:18:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 11:18:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-20 11:18:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-20 11:18:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-20 11:18:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-20 11:18:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-20 11:18:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-20 11:18:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-20 11:18:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-20 11:18:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-20 11:18:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-20 11:18:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2024-11-20 11:18:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2024-11-20 11:18:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-20 11:18:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-20 11:18:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-20 11:18:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-20 11:18:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-20 11:18:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-20 11:18:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-20 11:18:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-20 11:18:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-20 11:18:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-20 11:18:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-20 11:18:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-20 11:18:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-20 11:18:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-20 11:18:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-20 11:18:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-20 11:18:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-20 11:18:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-20 11:18:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-20 11:18:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-20 11:18:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-20 11:18:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:18:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:18:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:18:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:18:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:18:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:18:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:18:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 11:18:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 11:18:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 11:18:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 11:18:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-20 11:18:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-20 11:18:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-20 11:18:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-20 11:18:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-20 11:18:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-20 11:18:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-20 11:18:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-20 11:18:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-20 11:18:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-20 11:18:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:18:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:18:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:18:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:18:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:18:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:18:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-20 11:18:19,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-20 11:18:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-20 11:18:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2024-11-20 11:18:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 11:18:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 11:18:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-20 11:18:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-20 11:18:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-20 11:18:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-20 11:18:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-20 11:18:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-20 11:18:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-20 11:18:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2024-11-20 11:18:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:18:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-20 11:18:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-20 11:18:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-20 11:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-20 11:18:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:18:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:18:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-20 11:18:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-20 11:18:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-20 11:18:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-20 11:18:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-20 11:18:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-20 11:18:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-20 11:18:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-20 11:18:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2024-11-20 11:18:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2024-11-20 11:18:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2024-11-20 11:18:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2024-11-20 11:18:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 11:18:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 11:18:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2024-11-20 11:18:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2024-11-20 11:18:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2024-11-20 11:18:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2024-11-20 11:18:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:18:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:18:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:18:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:18:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:18:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:18:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-20 11:18:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2024-11-20 11:18:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-20 11:18:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-20 11:18:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2024-11-20 11:18:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2024-11-20 11:18:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:18:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:18:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 11:18:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 11:18:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 11:18:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 11:18:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-20 11:18:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-20 11:18:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-20 11:18:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:18:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-20 11:18:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-20 11:18:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-20 11:18:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-20 11:18:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-20 11:18:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 11:18:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 11:18:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2024-11-20 11:18:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2024-11-20 11:18:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-20 11:18:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-20 11:18:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-20 11:18:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2024-11-20 11:18:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-20 11:18:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:18:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-20 11:18:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-20 11:18:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-20 11:18:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-20 11:18:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-20 11:18:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-20 11:18:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-20 11:18:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-20 11:18:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:18:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:18:20,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:18:20,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:18:20,225 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-20 11:18:26,001 INFO L? ?]: Removed 772 outVars from TransFormulas that were not future-live. [2024-11-20 11:18:26,001 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:18:26,080 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:18:26,084 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 11:18:26,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:26 BoogieIcfgContainer [2024-11-20 11:18:26,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:18:26,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:18:26,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:18:26,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:18:26,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:17" (1/3) ... [2024-11-20 11:18:26,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37143366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:26, skipping insertion in model container [2024-11-20 11:18:26,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:18" (2/3) ... [2024-11-20 11:18:26,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37143366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:26, skipping insertion in model container [2024-11-20 11:18:26,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:26" (3/3) ... [2024-11-20 11:18:26,104 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2024-11-20 11:18:26,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:18:26,142 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:18:26,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:18:26,246 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6692e58e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:18:26,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:18:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 595 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 454 states have internal predecessors, (601), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-20 11:18:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 11:18:26,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:18:26,284 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:18:26,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:18:26,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:18:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash 533051669, now seen corresponding path program 1 times [2024-11-20 11:18:26,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:18:26,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907662612] [2024-11-20 11:18:26,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:18:26,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:18:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:18:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:18:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:18:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:18:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:18:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:18:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:18:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:18:27,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907662612] [2024-11-20 11:18:27,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907662612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:18:27,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:18:27,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:18:27,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588902323] [2024-11-20 11:18:27,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:18:27,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:18:27,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:18:27,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:18:27,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:18:27,480 INFO L87 Difference]: Start difference. First operand has 595 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 454 states have internal predecessors, (601), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:31,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:18:33,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:18:33,281 INFO L93 Difference]: Finished difference Result 1824 states and 2627 transitions. [2024-11-20 11:18:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:18:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2024-11-20 11:18:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:18:33,308 INFO L225 Difference]: With dead ends: 1824 [2024-11-20 11:18:33,308 INFO L226 Difference]: Without dead ends: 1200 [2024-11-20 11:18:33,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:18:33,317 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 1025 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 261 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 2975 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-20 11:18:33,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 2975 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 887 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-20 11:18:33,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-20 11:18:33,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1139. [2024-11-20 11:18:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 859 states have (on average 1.3329452852153667) internal successors, (1145), 867 states have internal predecessors, (1145), 212 states have call successors, (212), 68 states have call predecessors, (212), 67 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-20 11:18:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1568 transitions. [2024-11-20 11:18:33,483 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1568 transitions. Word has length 74 [2024-11-20 11:18:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:18:33,484 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1568 transitions. [2024-11-20 11:18:33,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1568 transitions. [2024-11-20 11:18:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-20 11:18:33,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:18:33,491 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:18:33,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:18:33,491 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:18:33,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:18:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1068625083, now seen corresponding path program 1 times [2024-11-20 11:18:33,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:18:33,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402627863] [2024-11-20 11:18:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:18:33,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:18:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:18:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:18:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:18:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:18:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:18:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 11:18:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:18:33,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:18:33,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402627863] [2024-11-20 11:18:33,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402627863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:18:33,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:18:33,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:18:33,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150486345] [2024-11-20 11:18:33,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:18:33,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:18:33,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:18:33,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:18:33,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:18:33,993 INFO L87 Difference]: Start difference. First operand 1139 states and 1568 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:38,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:18:39,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:18:39,528 INFO L93 Difference]: Finished difference Result 3499 states and 4857 transitions. [2024-11-20 11:18:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:18:39,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2024-11-20 11:18:39,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:18:39,546 INFO L225 Difference]: With dead ends: 3499 [2024-11-20 11:18:39,547 INFO L226 Difference]: Without dead ends: 2373 [2024-11-20 11:18:39,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:18:39,554 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 982 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 244 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:18:39,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 2869 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 883 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-20 11:18:39,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2024-11-20 11:18:39,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2254. [2024-11-20 11:18:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1701 states have (on average 1.3315696649029982) internal successors, (2265), 1723 states have internal predecessors, (2265), 418 states have call successors, (418), 137 states have call predecessors, (418), 134 states have return successors, (417), 399 states have call predecessors, (417), 417 states have call successors, (417) [2024-11-20 11:18:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3100 transitions. [2024-11-20 11:18:39,678 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3100 transitions. Word has length 71 [2024-11-20 11:18:39,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:18:39,679 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3100 transitions. [2024-11-20 11:18:39,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3100 transitions. [2024-11-20 11:18:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-20 11:18:39,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:18:39,685 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:18:39,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:18:39,685 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:18:39,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:18:39,686 INFO L85 PathProgramCache]: Analyzing trace with hash 445670616, now seen corresponding path program 1 times [2024-11-20 11:18:39,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:18:39,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683197021] [2024-11-20 11:18:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:18:39,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:18:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:18:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:18:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:18:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:18:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:18:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 11:18:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:18:40,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:18:40,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683197021] [2024-11-20 11:18:40,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683197021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:18:40,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:18:40,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:18:40,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400413349] [2024-11-20 11:18:40,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:18:40,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:18:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:18:40,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:18:40,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:18:40,178 INFO L87 Difference]: Start difference. First operand 2254 states and 3100 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:44,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:18:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:18:45,472 INFO L93 Difference]: Finished difference Result 3907 states and 5383 transitions. [2024-11-20 11:18:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:18:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2024-11-20 11:18:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:18:45,489 INFO L225 Difference]: With dead ends: 3907 [2024-11-20 11:18:45,489 INFO L226 Difference]: Without dead ends: 2382 [2024-11-20 11:18:45,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:18:45,498 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 852 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 133 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:18:45,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 2266 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 699 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-20 11:18:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2024-11-20 11:18:45,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2262. [2024-11-20 11:18:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1709 states have (on average 1.3300175541252195) internal successors, (2273), 1729 states have internal predecessors, (2273), 416 states have call successors, (416), 139 states have call predecessors, (416), 136 states have return successors, (415), 399 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-20 11:18:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3104 transitions. [2024-11-20 11:18:45,616 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3104 transitions. Word has length 75 [2024-11-20 11:18:45,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:18:45,617 INFO L471 AbstractCegarLoop]: Abstraction has 2262 states and 3104 transitions. [2024-11-20 11:18:45,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3104 transitions. [2024-11-20 11:18:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 11:18:45,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:18:45,623 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:18:45,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:18:45,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:18:45,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:18:45,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2003839444, now seen corresponding path program 1 times [2024-11-20 11:18:45,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:18:45,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827356490] [2024-11-20 11:18:45,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:18:45,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:18:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:45,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:18:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:46,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:18:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:18:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:18:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:46,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:18:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 11:18:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:18:46,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:18:46,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827356490] [2024-11-20 11:18:46,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827356490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:18:46,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:18:46,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:18:46,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53067325] [2024-11-20 11:18:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:18:46,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:18:46,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:18:46,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:18:46,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:18:46,047 INFO L87 Difference]: Start difference. First operand 2262 states and 3104 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:50,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:18:51,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:18:51,655 INFO L93 Difference]: Finished difference Result 5104 states and 7032 transitions. [2024-11-20 11:18:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:18:51,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72 [2024-11-20 11:18:51,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:18:51,673 INFO L225 Difference]: With dead ends: 5104 [2024-11-20 11:18:51,674 INFO L226 Difference]: Without dead ends: 3570 [2024-11-20 11:18:51,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:18:51,679 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 981 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-20 11:18:51,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 2870 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 884 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-20 11:18:51,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2024-11-20 11:18:51,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3393. [2024-11-20 11:18:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2567 states have (on average 1.328788469029996) internal successors, (3411), 2592 states have internal predecessors, (3411), 619 states have call successors, (619), 209 states have call predecessors, (619), 206 states have return successors, (620), 601 states have call predecessors, (620), 618 states have call successors, (620) [2024-11-20 11:18:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4650 transitions. [2024-11-20 11:18:51,830 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4650 transitions. Word has length 72 [2024-11-20 11:18:51,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:18:51,831 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4650 transitions. [2024-11-20 11:18:51,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4650 transitions. [2024-11-20 11:18:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-20 11:18:51,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:18:51,834 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:18:51,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:18:51,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:18:51,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:18:51,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1503035886, now seen corresponding path program 1 times [2024-11-20 11:18:51,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:18:51,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292347596] [2024-11-20 11:18:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:18:51,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:18:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:18:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:18:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:18:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:18:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:18:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:18:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:18:52,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:18:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292347596] [2024-11-20 11:18:52,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292347596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:18:52,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:18:52,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:18:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085071163] [2024-11-20 11:18:52,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:18:52,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:18:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:18:52,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:18:52,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:18:52,236 INFO L87 Difference]: Start difference. First operand 3393 states and 4650 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:56,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:18:57,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:18:57,426 INFO L93 Difference]: Finished difference Result 5890 states and 8076 transitions. [2024-11-20 11:18:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:18:57,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 76 [2024-11-20 11:18:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:18:57,448 INFO L225 Difference]: With dead ends: 5890 [2024-11-20 11:18:57,449 INFO L226 Difference]: Without dead ends: 3585 [2024-11-20 11:18:57,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:18:57,457 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 850 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 133 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:18:57,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 2266 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 699 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-20 11:18:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2024-11-20 11:18:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3405. [2024-11-20 11:18:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 2579 states have (on average 1.3272586273749516) internal successors, (3423), 2601 states have internal predecessors, (3423), 616 states have call successors, (616), 212 states have call predecessors, (616), 209 states have return successors, (617), 601 states have call predecessors, (617), 615 states have call successors, (617) [2024-11-20 11:18:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4656 transitions. [2024-11-20 11:18:57,620 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4656 transitions. Word has length 76 [2024-11-20 11:18:57,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:18:57,620 INFO L471 AbstractCegarLoop]: Abstraction has 3405 states and 4656 transitions. [2024-11-20 11:18:57,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:18:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4656 transitions. [2024-11-20 11:18:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-20 11:18:57,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:18:57,624 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:18:57,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 11:18:57,625 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:18:57,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:18:57,625 INFO L85 PathProgramCache]: Analyzing trace with hash -170607422, now seen corresponding path program 1 times [2024-11-20 11:18:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:18:57,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111116839] [2024-11-20 11:18:57,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:18:57,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:18:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:18:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:18:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:57,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:18:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:18:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:18:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:18:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:18:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:18:58,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:18:58,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111116839] [2024-11-20 11:18:58,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111116839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:18:58,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:18:58,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:18:58,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449978133] [2024-11-20 11:18:58,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:18:58,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:18:58,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:18:58,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:18:58,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:18:58,023 INFO L87 Difference]: Start difference. First operand 3405 states and 4656 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:19:02,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:19:03,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:03,432 INFO L93 Difference]: Finished difference Result 7458 states and 10233 transitions. [2024-11-20 11:19:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:19:03,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-20 11:19:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:03,458 INFO L225 Difference]: With dead ends: 7458 [2024-11-20 11:19:03,458 INFO L226 Difference]: Without dead ends: 4783 [2024-11-20 11:19:03,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:19:03,467 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 983 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 2875 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:03,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 2875 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 880 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-20 11:19:03,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2024-11-20 11:19:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4552. [2024-11-20 11:19:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4552 states, 3451 states have (on average 1.326282237032744) internal successors, (4577), 3477 states have internal predecessors, (4577), 818 states have call successors, (818), 285 states have call predecessors, (818), 282 states have return successors, (821), 803 states have call predecessors, (821), 817 states have call successors, (821) [2024-11-20 11:19:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 4552 states and 6216 transitions. [2024-11-20 11:19:03,731 INFO L78 Accepts]: Start accepts. Automaton has 4552 states and 6216 transitions. Word has length 73 [2024-11-20 11:19:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:03,732 INFO L471 AbstractCegarLoop]: Abstraction has 4552 states and 6216 transitions. [2024-11-20 11:19:03,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:19:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 6216 transitions. [2024-11-20 11:19:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 11:19:03,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:19:03,737 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:03,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 11:19:03,738 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:19:03,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:19:03,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1023289163, now seen corresponding path program 1 times [2024-11-20 11:19:03,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:19:03,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740694795] [2024-11-20 11:19:03,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:03,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:19:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:19:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:19:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:19:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:19:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:19:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 11:19:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:19:04,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:19:04,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740694795] [2024-11-20 11:19:04,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740694795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:19:04,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:19:04,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:19:04,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109808816] [2024-11-20 11:19:04,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:19:04,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:19:04,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:19:04,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:19:04,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:19:04,112 INFO L87 Difference]: Start difference. First operand 4552 states and 6216 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:19:08,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:19:09,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:09,231 INFO L93 Difference]: Finished difference Result 7829 states and 10689 transitions. [2024-11-20 11:19:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:19:09,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2024-11-20 11:19:09,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:09,257 INFO L225 Difference]: With dead ends: 7829 [2024-11-20 11:19:09,257 INFO L226 Difference]: Without dead ends: 4728 [2024-11-20 11:19:09,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:19:09,268 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 848 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 133 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:09,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 2270 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 699 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-20 11:19:09,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4728 states. [2024-11-20 11:19:09,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4728 to 4500. [2024-11-20 11:19:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4500 states, 3407 states have (on average 1.3222776636336953) internal successors, (4505), 3429 states have internal predecessors, (4505), 810 states have call successors, (810), 285 states have call predecessors, (810), 282 states have return successors, (813), 799 states have call predecessors, (813), 809 states have call successors, (813) [2024-11-20 11:19:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4500 states and 6128 transitions. [2024-11-20 11:19:09,559 INFO L78 Accepts]: Start accepts. Automaton has 4500 states and 6128 transitions. Word has length 77 [2024-11-20 11:19:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:09,559 INFO L471 AbstractCegarLoop]: Abstraction has 4500 states and 6128 transitions. [2024-11-20 11:19:09,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:19:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4500 states and 6128 transitions. [2024-11-20 11:19:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 11:19:09,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:19:09,562 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:09,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 11:19:09,563 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:19:09,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:19:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1585116553, now seen corresponding path program 1 times [2024-11-20 11:19:09,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:19:09,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135248174] [2024-11-20 11:19:09,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:09,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:19:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:19:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:19:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:19:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:19:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:19:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 11:19:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 11:19:09,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:19:09,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135248174] [2024-11-20 11:19:09,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135248174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:19:09,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:19:09,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:19:09,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458587613] [2024-11-20 11:19:09,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:19:09,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:19:09,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:19:09,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:19:09,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:19:09,904 INFO L87 Difference]: Start difference. First operand 4500 states and 6128 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:19:13,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:19:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:15,409 INFO L93 Difference]: Finished difference Result 9549 states and 13028 transitions. [2024-11-20 11:19:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:19:15,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2024-11-20 11:19:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:15,447 INFO L225 Difference]: With dead ends: 9549 [2024-11-20 11:19:15,447 INFO L226 Difference]: Without dead ends: 5764 [2024-11-20 11:19:15,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:19:15,459 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 985 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:15,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2863 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 880 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-20 11:19:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2024-11-20 11:19:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5495. [2024-11-20 11:19:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5495 states, 4160 states have (on average 1.318028846153846) internal successors, (5483), 4185 states have internal predecessors, (5483), 981 states have call successors, (981), 356 states have call predecessors, (981), 353 states have return successors, (986), 971 states have call predecessors, (986), 980 states have call successors, (986) [2024-11-20 11:19:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 7450 transitions. [2024-11-20 11:19:15,765 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 7450 transitions. Word has length 74 [2024-11-20 11:19:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:15,766 INFO L471 AbstractCegarLoop]: Abstraction has 5495 states and 7450 transitions. [2024-11-20 11:19:15,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 11:19:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 7450 transitions. [2024-11-20 11:19:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 11:19:15,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:19:15,770 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:15,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 11:19:15,770 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:19:15,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:19:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash 583800404, now seen corresponding path program 1 times [2024-11-20 11:19:15,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:19:15,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908119606] [2024-11-20 11:19:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:19:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:19:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:19:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:19:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:19:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:19:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 11:19:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 11:19:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 11:19:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-20 11:19:16,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:19:16,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908119606] [2024-11-20 11:19:16,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908119606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:19:16,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:19:16,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 11:19:16,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303961583] [2024-11-20 11:19:16,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:19:16,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 11:19:16,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:19:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 11:19:16,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:19:16,090 INFO L87 Difference]: Start difference. First operand 5495 states and 7450 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 11:19:20,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:19:24,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:19:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:25,504 INFO L93 Difference]: Finished difference Result 14994 states and 20325 transitions. [2024-11-20 11:19:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:19:25,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2024-11-20 11:19:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:25,546 INFO L225 Difference]: With dead ends: 14994 [2024-11-20 11:19:25,547 INFO L226 Difference]: Without dead ends: 9512 [2024-11-20 11:19:25,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:19:25,562 INFO L432 NwaCegarLoop]: 689 mSDtfsCounter, 740 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 200 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:25,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 2045 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 661 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2024-11-20 11:19:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9512 states. [2024-11-20 11:19:25,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9512 to 8979. [2024-11-20 11:19:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8979 states, 6809 states have (on average 1.3219268615068291) internal successors, (9001), 6841 states have internal predecessors, (9001), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2024-11-20 11:19:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8979 states to 8979 states and 12094 transitions. [2024-11-20 11:19:26,030 INFO L78 Accepts]: Start accepts. Automaton has 8979 states and 12094 transitions. Word has length 80 [2024-11-20 11:19:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:26,031 INFO L471 AbstractCegarLoop]: Abstraction has 8979 states and 12094 transitions. [2024-11-20 11:19:26,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 11:19:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8979 states and 12094 transitions. [2024-11-20 11:19:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-20 11:19:26,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:19:26,035 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:26,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 11:19:26,035 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:19:26,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:19:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash -672599536, now seen corresponding path program 1 times [2024-11-20 11:19:26,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:19:26,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926774045] [2024-11-20 11:19:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:26,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:19:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:19:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:19:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:19:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:19:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:19:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:19:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:19:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-20 11:19:26,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:19:26,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926774045] [2024-11-20 11:19:26,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926774045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:19:26,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80516246] [2024-11-20 11:19:26,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:26,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:19:26,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:19:26,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:19:26,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 11:19:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:27,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:19:27,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:19:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 11:19:27,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:19:27,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80516246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:19:27,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:19:27,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-20 11:19:27,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006322608] [2024-11-20 11:19:27,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:19:27,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:19:27,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:19:27,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:19:27,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:19:27,420 INFO L87 Difference]: Start difference. First operand 8979 states and 12094 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 11:19:27,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:27,830 INFO L93 Difference]: Finished difference Result 17376 states and 23525 transitions. [2024-11-20 11:19:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:19:27,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2024-11-20 11:19:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:27,870 INFO L225 Difference]: With dead ends: 17376 [2024-11-20 11:19:27,871 INFO L226 Difference]: Without dead ends: 8997 [2024-11-20 11:19:27,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:19:27,898 INFO L432 NwaCegarLoop]: 793 mSDtfsCounter, 0 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:27,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1582 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 11:19:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2024-11-20 11:19:28,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8997. [2024-11-20 11:19:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8997 states, 6827 states have (on average 1.3210780723597482) internal successors, (9019), 6859 states have internal predecessors, (9019), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2024-11-20 11:19:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 12112 transitions. [2024-11-20 11:19:28,367 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 12112 transitions. Word has length 84 [2024-11-20 11:19:28,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:28,368 INFO L471 AbstractCegarLoop]: Abstraction has 8997 states and 12112 transitions. [2024-11-20 11:19:28,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 11:19:28,368 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 12112 transitions. [2024-11-20 11:19:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-20 11:19:28,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:19:28,372 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:28,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 11:19:28,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 11:19:28,574 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:19:28,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:19:28,575 INFO L85 PathProgramCache]: Analyzing trace with hash -532050926, now seen corresponding path program 1 times [2024-11-20 11:19:28,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:19:28,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979912842] [2024-11-20 11:19:28,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:28,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:19:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:19:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:19:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:19:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:19:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:19:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:19:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:19:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-20 11:19:29,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:19:29,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979912842] [2024-11-20 11:19:29,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979912842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:19:29,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818186466] [2024-11-20 11:19:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:29,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:19:29,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:19:29,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:19:29,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 11:19:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:29,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:19:29,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:19:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 11:19:29,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:19:29,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818186466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:19:29,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:19:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-20 11:19:29,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046651017] [2024-11-20 11:19:29,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:19:29,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:19:29,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:19:29,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:19:29,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:19:29,838 INFO L87 Difference]: Start difference. First operand 8997 states and 12112 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 11:19:30,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:30,060 INFO L93 Difference]: Finished difference Result 9019 states and 12152 transitions. [2024-11-20 11:19:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:19:30,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84 [2024-11-20 11:19:30,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:30,092 INFO L225 Difference]: With dead ends: 9019 [2024-11-20 11:19:30,092 INFO L226 Difference]: Without dead ends: 9016 [2024-11-20 11:19:30,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:19:30,097 INFO L432 NwaCegarLoop]: 793 mSDtfsCounter, 0 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:30,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1581 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 11:19:30,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2024-11-20 11:19:30,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 9016. [2024-11-20 11:19:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 6846 states have (on average 1.320186970493719) internal successors, (9038), 6878 states have internal predecessors, (9038), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549) [2024-11-20 11:19:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 12131 transitions. [2024-11-20 11:19:30,526 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 12131 transitions. Word has length 84 [2024-11-20 11:19:30,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:30,526 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 12131 transitions. [2024-11-20 11:19:30,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 11:19:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 12131 transitions. [2024-11-20 11:19:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-20 11:19:30,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:19:30,532 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:30,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 11:19:30,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-20 11:19:30,733 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:19:30,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:19:30,735 INFO L85 PathProgramCache]: Analyzing trace with hash -186134394, now seen corresponding path program 1 times [2024-11-20 11:19:30,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:19:30,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957070553] [2024-11-20 11:19:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:19:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:19:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:19:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:19:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:19:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 11:19:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:19:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:19:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-20 11:19:31,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:19:31,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957070553] [2024-11-20 11:19:31,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957070553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:19:31,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596843095] [2024-11-20 11:19:31,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:19:31,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:19:31,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:19:31,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:19:31,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 11:19:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:19:32,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 11:19:32,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:19:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 11:19:32,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:19:32,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596843095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:19:32,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:19:32,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-20 11:19:32,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302698043] [2024-11-20 11:19:32,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:19:32,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 11:19:32,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:19:32,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 11:19:32,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:19:32,259 INFO L87 Difference]: Start difference. First operand 9016 states and 12131 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 11:19:32,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:19:32,535 INFO L93 Difference]: Finished difference Result 17914 states and 24205 transitions. [2024-11-20 11:19:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 11:19:32,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 86 [2024-11-20 11:19:32,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:19:32,544 INFO L225 Difference]: With dead ends: 17914 [2024-11-20 11:19:32,544 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 11:19:32,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-20 11:19:32,568 INFO L432 NwaCegarLoop]: 781 mSDtfsCounter, 725 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:19:32,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1562 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 11:19:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 11:19:32,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 11:19:32,569 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) [2024-11-20 11:19:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 11:19:32,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2024-11-20 11:19:32,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:19:32,577 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 11:19:32,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-20 11:19:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 11:19:32,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 11:19:32,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 11:19:32,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 11:19:32,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:19:32,787 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:19:32,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.