./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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.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 98b726a200cc424fa7bb1c37464c61d975878210ba7711cf31eb9bd278784d63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:37:18,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:37:18,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:37:18,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:37:18,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:37:18,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:37:18,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:37:18,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:37:18,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:37:18,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:37:18,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:37:18,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:37:18,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:37:18,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:37:18,523 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:37:18,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:37:18,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:37:18,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:37:18,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:37:18,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:37:18,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:37:18,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:37:18,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:37:18,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:37:18,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:37:18,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:37:18,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:37:18,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:37:18,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:37:18,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:37:18,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:37:18,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:37:18,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:37:18,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:37:18,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:37:18,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:37:18,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:37:18,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:37:18,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:37:18,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98b726a200cc424fa7bb1c37464c61d975878210ba7711cf31eb9bd278784d63 [2024-10-24 13:37:18,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:37:18,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:37:18,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:37:18,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:37:18,792 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:37:18,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2024-10-24 13:37:20,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:37:20,368 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:37:20,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2024-10-24 13:37:20,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b58150896/26d4771d6a1b43b7abbcca118ff7a53e/FLAG8ac026e8c [2024-10-24 13:37:20,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b58150896/26d4771d6a1b43b7abbcca118ff7a53e [2024-10-24 13:37:20,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:37:20,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:37:20,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:37:20,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:37:20,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:37:20,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:37:20" (1/1) ... [2024-10-24 13:37:20,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bb412a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:20, skipping insertion in model container [2024-10-24 13:37:20,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:37:20" (1/1) ... [2024-10-24 13:37:20,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:37:21,400 WARN L248 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i[171889,171902] [2024-10-24 13:37:21,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:37:21,486 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:37:21,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3647] [2024-10-24 13:37:21,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3654] [2024-10-24 13:37:21,677 WARN L248 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i[171889,171902] [2024-10-24 13:37:21,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:37:21,743 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:37:21,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21 WrapperNode [2024-10-24 13:37:21,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:37:21,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:37:21,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:37:21,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:37:21,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:21,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:21,901 INFO L138 Inliner]: procedures = 180, calls = 1665, calls flagged for inlining = 68, calls inlined = 60, statements flattened = 3679 [2024-10-24 13:37:21,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:37:21,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:37:21,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:37:21,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:37:21,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:21,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:21,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,366 INFO L175 MemorySlicer]: Split 1074 memory accesses to 16 slices as follows [2, 4, 14, 77, 1, 66, 28, 6, 6, 36, 7, 40, 752, 12, 21, 2]. 70 percent of accesses are in the largest equivalence class. The 626 initializations are split as follows [2, 0, 14, 0, 0, 66, 0, 0, 6, 18, 6, 40, 440, 12, 21, 1]. The 163 writes are split as follows [0, 3, 0, 66, 1, 0, 6, 2, 0, 0, 0, 0, 85, 0, 0, 0]. [2024-10-24 13:37:22,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:37:22,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:37:22,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:37:22,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:37:22,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (1/1) ... [2024-10-24 13:37:22,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:37:22,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:37:22,593 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) [2024-10-24 13:37:22,599 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 [2024-10-24 13:37:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_remove [2024-10-24 13:37:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_remove [2024-10-24 13:37:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-10-24 13:37:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-10-24 13:37:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:37:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:37:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_mdelay [2024-10-24 13:37:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_mdelay [2024-10-24 13:37:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2024-10-24 13:37:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2024-10-24 13:37:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_clock [2024-10-24 13:37:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_clock [2024-10-24 13:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_input [2024-10-24 13:37:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_input [2024-10-24 13:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_probe [2024-10-24 13:37:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_probe [2024-10-24 13:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-24 13:37:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-24 13:37:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_regs [2024-10-24 13:37:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_regs [2024-10-24 13:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_setup_uart_data [2024-10-24 13:37:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_setup_uart_data [2024-10-24 13:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_remove [2024-10-24 13:37:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_remove [2024-10-24 13:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:37:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:37:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:37:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_power [2024-10-24 13:37:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_power [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_pin2nr [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_pin2nr [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm501_gpio [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm501_gpio [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_unit_power [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_unit_power [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dev_remove [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dev_remove [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_get [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_get [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_mem [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_mem [2024-10-24 13:37:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:37:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_pll [2024-10-24 13:37:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_pll [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:37:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subio [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subio [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_device [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_device [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_dev [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_dev [2024-10-24 13:37:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_register_chip [2024-10-24 13:37:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_register_chip [2024-10-24 13:37:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:37:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm_device [2024-10-24 13:37:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm_device [2024-10-24 13:37:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-24 13:37:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-24 13:37:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:37:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:37:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_select_clock [2024-10-24 13:37:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_select_clock [2024-10-24 13:37:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:37:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_irq [2024-10-24 13:37:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_irq [2024-10-24 13:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:37:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:37:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_sync_regs [2024-10-24 13:37:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_sync_regs [2024-10-24 13:37:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2024-10-24 13:37:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2024-10-24 13:37:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 13:37:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 13:37:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:37:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:37:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:37:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:37:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:37:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subdev [2024-10-24 13:37:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subdev [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_to_dev [2024-10-24 13:37:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_to_dev [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-10-24 13:37:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 13:37:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-10-24 13:37:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:37:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dump_gate [2024-10-24 13:37:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dump_gate [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-10-24 13:37:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-24 13:37:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:37:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_clock [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_clock [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_modify_reg [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_modify_reg [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_reg [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_reg [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 13:37:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:37:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:37:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:37:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:37:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-10-24 13:37:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-10-24 13:37:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_resume [2024-10-24 13:37:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_resume [2024-10-24 13:37:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_ensure_gpio [2024-10-24 13:37:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_ensure_gpio [2024-10-24 13:37:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:37:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:37:23,105 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:37:23,109 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:37:26,343 INFO L? ?]: Removed 1058 outVars from TransFormulas that were not future-live. [2024-10-24 13:37:26,344 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:37:26,517 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:37:26,517 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 13:37:26,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:37:26 BoogieIcfgContainer [2024-10-24 13:37:26,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:37:26,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:37:26,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:37:26,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:37:26,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:37:20" (1/3) ... [2024-10-24 13:37:26,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0775b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:37:26, skipping insertion in model container [2024-10-24 13:37:26,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:37:21" (2/3) ... [2024-10-24 13:37:26,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0775b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:37:26, skipping insertion in model container [2024-10-24 13:37:26,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:37:26" (3/3) ... [2024-10-24 13:37:26,525 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2024-10-24 13:37:26,538 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:37:26,538 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:37:26,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:37:26,619 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;@39c66d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:37:26,620 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:37:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 751 states have (on average 1.3754993342210386) internal successors, (1033), 766 states have internal predecessors, (1033), 285 states have call successors, (285), 61 states have call predecessors, (285), 61 states have return successors, (285), 285 states have call predecessors, (285), 285 states have call successors, (285) [2024-10-24 13:37:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 13:37:26,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:26,639 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:26,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:26,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash 499103056, now seen corresponding path program 1 times [2024-10-24 13:37:26,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:26,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260226002] [2024-10-24 13:37:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:27,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260226002] [2024-10-24 13:37:27,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260226002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:27,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:27,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 13:37:27,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958667326] [2024-10-24 13:37:27,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:27,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:37:27,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:37:27,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:27,111 INFO L87 Difference]: Start difference. First operand has 1099 states, 751 states have (on average 1.3754993342210386) internal successors, (1033), 766 states have internal predecessors, (1033), 285 states have call successors, (285), 61 states have call predecessors, (285), 61 states have return successors, (285), 285 states have call predecessors, (285), 285 states have call successors, (285) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:27,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:27,759 INFO L93 Difference]: Finished difference Result 3281 states and 4901 transitions. [2024-10-24 13:37:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:37:27,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-24 13:37:27,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:27,790 INFO L225 Difference]: With dead ends: 3281 [2024-10-24 13:37:27,792 INFO L226 Difference]: Without dead ends: 2181 [2024-10-24 13:37:27,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:27,806 INFO L432 NwaCegarLoop]: 1482 mSDtfsCounter, 1557 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:27,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 2956 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:37:27,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2024-10-24 13:37:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2177. [2024-10-24 13:37:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 1492 states have (on average 1.3532171581769437) internal successors, (2019), 1513 states have internal predecessors, (2019), 564 states have call successors, (564), 121 states have call predecessors, (564), 120 states have return successors, (558), 558 states have call predecessors, (558), 558 states have call successors, (558) [2024-10-24 13:37:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 3141 transitions. [2024-10-24 13:37:27,963 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 3141 transitions. Word has length 12 [2024-10-24 13:37:27,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:27,963 INFO L471 AbstractCegarLoop]: Abstraction has 2177 states and 3141 transitions. [2024-10-24 13:37:27,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 3141 transitions. [2024-10-24 13:37:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 13:37:27,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:27,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:27,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:37:27,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:27,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1204976480, now seen corresponding path program 1 times [2024-10-24 13:37:27,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:27,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275620917] [2024-10-24 13:37:27,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:28,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:28,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275620917] [2024-10-24 13:37:28,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275620917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:28,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:28,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 13:37:28,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129016181] [2024-10-24 13:37:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:28,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:37:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:37:28,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:28,111 INFO L87 Difference]: Start difference. First operand 2177 states and 3141 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:28,378 INFO L93 Difference]: Finished difference Result 2199 states and 3167 transitions. [2024-10-24 13:37:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:37:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 13:37:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:28,389 INFO L225 Difference]: With dead ends: 2199 [2024-10-24 13:37:28,390 INFO L226 Difference]: Without dead ends: 2188 [2024-10-24 13:37:28,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:28,392 INFO L432 NwaCegarLoop]: 1492 mSDtfsCounter, 1576 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:28,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 1505 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:37:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2024-10-24 13:37:28,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2177. [2024-10-24 13:37:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 1492 states have (on average 1.3525469168900803) internal successors, (2018), 1513 states have internal predecessors, (2018), 564 states have call successors, (564), 121 states have call predecessors, (564), 120 states have return successors, (558), 558 states have call predecessors, (558), 558 states have call successors, (558) [2024-10-24 13:37:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 3140 transitions. [2024-10-24 13:37:28,552 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 3140 transitions. Word has length 15 [2024-10-24 13:37:28,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:28,552 INFO L471 AbstractCegarLoop]: Abstraction has 2177 states and 3140 transitions. [2024-10-24 13:37:28,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 3140 transitions. [2024-10-24 13:37:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 13:37:28,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:28,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:28,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:37:28,557 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:28,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1147718178, now seen corresponding path program 1 times [2024-10-24 13:37:28,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:28,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783155482] [2024-10-24 13:37:28,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:28,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:28,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783155482] [2024-10-24 13:37:28,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783155482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:28,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:28,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 13:37:28,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5010552] [2024-10-24 13:37:28,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:28,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:37:28,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:28,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:37:28,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:28,740 INFO L87 Difference]: Start difference. First operand 2177 states and 3140 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:29,064 INFO L93 Difference]: Finished difference Result 2221 states and 3174 transitions. [2024-10-24 13:37:29,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:37:29,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 13:37:29,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:29,075 INFO L225 Difference]: With dead ends: 2221 [2024-10-24 13:37:29,075 INFO L226 Difference]: Without dead ends: 2217 [2024-10-24 13:37:29,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:29,080 INFO L432 NwaCegarLoop]: 1474 mSDtfsCounter, 1365 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:29,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1676 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:37:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2024-10-24 13:37:29,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2215. [2024-10-24 13:37:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2215 states, 1516 states have (on average 1.3476253298153034) internal successors, (2043), 1535 states have internal predecessors, (2043), 564 states have call successors, (564), 135 states have call predecessors, (564), 134 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560) [2024-10-24 13:37:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 3167 transitions. [2024-10-24 13:37:29,153 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 3167 transitions. Word has length 15 [2024-10-24 13:37:29,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:29,153 INFO L471 AbstractCegarLoop]: Abstraction has 2215 states and 3167 transitions. [2024-10-24 13:37:29,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 3167 transitions. [2024-10-24 13:37:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 13:37:29,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:29,155 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:29,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:37:29,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:29,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:29,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1220071346, now seen corresponding path program 1 times [2024-10-24 13:37:29,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:29,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399841594] [2024-10-24 13:37:29,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:29,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:29,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:29,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399841594] [2024-10-24 13:37:29,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399841594] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:29,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:29,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 13:37:29,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951842915] [2024-10-24 13:37:29,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:29,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:37:29,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:29,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:37:29,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:29,308 INFO L87 Difference]: Start difference. First operand 2215 states and 3167 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:29,571 INFO L93 Difference]: Finished difference Result 2217 states and 3168 transitions. [2024-10-24 13:37:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:37:29,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-24 13:37:29,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:29,580 INFO L225 Difference]: With dead ends: 2217 [2024-10-24 13:37:29,580 INFO L226 Difference]: Without dead ends: 2214 [2024-10-24 13:37:29,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:29,582 INFO L432 NwaCegarLoop]: 1473 mSDtfsCounter, 1562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:29,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 1473 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:37:29,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2024-10-24 13:37:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214. [2024-10-24 13:37:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1516 states have (on average 1.3469656992084433) internal successors, (2042), 1534 states have internal predecessors, (2042), 563 states have call successors, (563), 135 states have call predecessors, (563), 134 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560) [2024-10-24 13:37:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3165 transitions. [2024-10-24 13:37:29,664 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3165 transitions. Word has length 16 [2024-10-24 13:37:29,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:29,664 INFO L471 AbstractCegarLoop]: Abstraction has 2214 states and 3165 transitions. [2024-10-24 13:37:29,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3165 transitions. [2024-10-24 13:37:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 13:37:29,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:29,665 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:29,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:37:29,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:29,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:29,666 INFO L85 PathProgramCache]: Analyzing trace with hash 831952609, now seen corresponding path program 1 times [2024-10-24 13:37:29,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:29,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29974680] [2024-10-24 13:37:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:29,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:29,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29974680] [2024-10-24 13:37:29,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29974680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:29,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:29,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 13:37:29,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513387684] [2024-10-24 13:37:29,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:29,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:37:29,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:29,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:37:29,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:29,798 INFO L87 Difference]: Start difference. First operand 2214 states and 3165 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:30,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:30,147 INFO L93 Difference]: Finished difference Result 2216 states and 3166 transitions. [2024-10-24 13:37:30,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:37:30,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-24 13:37:30,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:30,157 INFO L225 Difference]: With dead ends: 2216 [2024-10-24 13:37:30,157 INFO L226 Difference]: Without dead ends: 2213 [2024-10-24 13:37:30,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:30,159 INFO L432 NwaCegarLoop]: 1471 mSDtfsCounter, 1559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:30,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 1471 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:37:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-10-24 13:37:30,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2024-10-24 13:37:30,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1516 states have (on average 1.346306068601583) internal successors, (2041), 1533 states have internal predecessors, (2041), 562 states have call successors, (562), 135 states have call predecessors, (562), 134 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560) [2024-10-24 13:37:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3163 transitions. [2024-10-24 13:37:30,244 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3163 transitions. Word has length 17 [2024-10-24 13:37:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:30,244 INFO L471 AbstractCegarLoop]: Abstraction has 2213 states and 3163 transitions. [2024-10-24 13:37:30,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3163 transitions. [2024-10-24 13:37:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 13:37:30,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:30,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:30,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:37:30,246 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:30,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:30,247 INFO L85 PathProgramCache]: Analyzing trace with hash 20190641, now seen corresponding path program 1 times [2024-10-24 13:37:30,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:30,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793871255] [2024-10-24 13:37:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:30,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:30,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793871255] [2024-10-24 13:37:30,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793871255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:30,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:30,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 13:37:30,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441611760] [2024-10-24 13:37:30,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:30,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:37:30,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:30,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:37:30,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:30,355 INFO L87 Difference]: Start difference. First operand 2213 states and 3163 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:30,619 INFO L93 Difference]: Finished difference Result 2215 states and 3164 transitions. [2024-10-24 13:37:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:37:30,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-24 13:37:30,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:30,628 INFO L225 Difference]: With dead ends: 2215 [2024-10-24 13:37:30,628 INFO L226 Difference]: Without dead ends: 2207 [2024-10-24 13:37:30,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:37:30,630 INFO L432 NwaCegarLoop]: 1470 mSDtfsCounter, 1556 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:30,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 1470 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:37:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2024-10-24 13:37:30,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2207. [2024-10-24 13:37:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 1511 states have (on average 1.3461283917935143) internal successors, (2034), 1527 states have internal predecessors, (2034), 561 states have call successors, (561), 135 states have call predecessors, (561), 134 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560) [2024-10-24 13:37:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 3155 transitions. [2024-10-24 13:37:30,743 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 3155 transitions. Word has length 18 [2024-10-24 13:37:30,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:30,744 INFO L471 AbstractCegarLoop]: Abstraction has 2207 states and 3155 transitions. [2024-10-24 13:37:30,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 13:37:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 3155 transitions. [2024-10-24 13:37:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 13:37:30,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:30,757 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:30,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:37:30,758 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:30,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:30,758 INFO L85 PathProgramCache]: Analyzing trace with hash -537087267, now seen corresponding path program 1 times [2024-10-24 13:37:30,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:30,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62475396] [2024-10-24 13:37:30,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:30,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:37:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:37:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:37:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 13:37:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:37:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 13:37:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:37:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:37:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:37:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:37:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:37:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:37:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:37:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:37:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:37:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:37:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:37:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:37:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:37:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:37:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:37:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:37:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 13:37:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:37:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 13:37:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 13:37:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 13:37:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 13:37:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:37:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 13:37:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 13:37:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 13:37:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-10-24 13:37:31,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:31,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62475396] [2024-10-24 13:37:31,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62475396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:31,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:31,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:37:31,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119333018] [2024-10-24 13:37:31,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:31,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:37:31,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:37:31,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:37:31,355 INFO L87 Difference]: Start difference. First operand 2207 states and 3155 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:37:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:40,935 INFO L93 Difference]: Finished difference Result 7450 states and 10903 transitions. [2024-10-24 13:37:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:37:40,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 267 [2024-10-24 13:37:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:40,959 INFO L225 Difference]: With dead ends: 7450 [2024-10-24 13:37:40,960 INFO L226 Difference]: Without dead ends: 5244 [2024-10-24 13:37:40,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:37:40,967 INFO L432 NwaCegarLoop]: 1441 mSDtfsCounter, 3128 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 2220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 6172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2220 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:40,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 5236 Invalid, 6172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2220 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-10-24 13:37:40,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2024-10-24 13:37:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 4080. [2024-10-24 13:37:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4080 states, 2810 states have (on average 1.3448398576512455) internal successors, (3779), 2836 states have internal predecessors, (3779), 1017 states have call successors, (1017), 253 states have call predecessors, (1017), 252 states have return successors, (1016), 1016 states have call predecessors, (1016), 1016 states have call successors, (1016) [2024-10-24 13:37:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 4080 states and 5812 transitions. [2024-10-24 13:37:41,245 INFO L78 Accepts]: Start accepts. Automaton has 4080 states and 5812 transitions. Word has length 267 [2024-10-24 13:37:41,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:41,247 INFO L471 AbstractCegarLoop]: Abstraction has 4080 states and 5812 transitions. [2024-10-24 13:37:41,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:37:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4080 states and 5812 transitions. [2024-10-24 13:37:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-10-24 13:37:41,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:41,263 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:41,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:37:41,264 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:41,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash -484320299, now seen corresponding path program 1 times [2024-10-24 13:37:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:41,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002333189] [2024-10-24 13:37:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:37:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:37:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:37:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 13:37:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:37:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 13:37:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:37:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:37:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:37:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:37:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:37:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:37:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:37:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 13:37:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:37:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:37:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 13:37:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:37:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:37:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:37:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:37:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:37:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:37:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:37:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 13:37:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:37:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 13:37:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 13:37:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 13:37:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 13:37:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 13:37:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 13:37:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-24 13:37:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 13:37:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-24 13:37:41,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:41,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002333189] [2024-10-24 13:37:41,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002333189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:41,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:41,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:37:41,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814420798] [2024-10-24 13:37:41,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:41,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:37:41,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:41,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:37:41,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:37:41,941 INFO L87 Difference]: Start difference. First operand 4080 states and 5812 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 13:37:50,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:37:51,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:37:52,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:52,580 INFO L93 Difference]: Finished difference Result 11810 states and 17231 transitions. [2024-10-24 13:37:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:37:52,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 306 [2024-10-24 13:37:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:52,619 INFO L225 Difference]: With dead ends: 11810 [2024-10-24 13:37:52,619 INFO L226 Difference]: Without dead ends: 7731 [2024-10-24 13:37:52,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:37:52,633 INFO L432 NwaCegarLoop]: 1805 mSDtfsCounter, 2672 mSDsluCounter, 4768 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 1505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 6349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1505 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:52,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 6573 Invalid, 6349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1505 Valid, 4844 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-10-24 13:37:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7731 states. [2024-10-24 13:37:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7731 to 6059. [2024-10-24 13:37:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6059 states, 4179 states have (on average 1.343862167982771) internal successors, (5616), 4217 states have internal predecessors, (5616), 1505 states have call successors, (1505), 375 states have call predecessors, (1505), 374 states have return successors, (1504), 1504 states have call predecessors, (1504), 1504 states have call successors, (1504) [2024-10-24 13:37:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 8625 transitions. [2024-10-24 13:37:52,981 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 8625 transitions. Word has length 306 [2024-10-24 13:37:52,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:52,982 INFO L471 AbstractCegarLoop]: Abstraction has 6059 states and 8625 transitions. [2024-10-24 13:37:52,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 13:37:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 8625 transitions. [2024-10-24 13:37:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-10-24 13:37:52,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:52,999 INFO L215 NwaCegarLoop]: trace histogram [9, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:37:52,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:37:52,999 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:53,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:53,000 INFO L85 PathProgramCache]: Analyzing trace with hash 902686997, now seen corresponding path program 1 times [2024-10-24 13:37:53,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:53,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346416444] [2024-10-24 13:37:53,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:53,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 13:37:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:37:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:37:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 13:37:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:37:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:37:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 13:37:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 13:37:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:37:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 13:37:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 13:37:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 13:37:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:37:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:37:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:37:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:37:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:37:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:37:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:37:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:37:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:37:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:37:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 13:37:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:37:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 13:37:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 13:37:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:37:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 13:37:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 13:37:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 13:37:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 13:37:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 13:37:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-10-24 13:37:53,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:53,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346416444] [2024-10-24 13:37:53,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346416444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:53,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:53,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:37:53,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178641740] [2024-10-24 13:37:53,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:53,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:37:53,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:53,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:37:53,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:37:53,466 INFO L87 Difference]: Start difference. First operand 6059 states and 8625 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-10-24 13:37:59,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:03,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:05,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:10,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:11,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:38:11,367 INFO L93 Difference]: Finished difference Result 19332 states and 28178 transitions. [2024-10-24 13:38:11,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:38:11,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 252 [2024-10-24 13:38:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:38:11,423 INFO L225 Difference]: With dead ends: 19332 [2024-10-24 13:38:11,423 INFO L226 Difference]: Without dead ends: 13274 [2024-10-24 13:38:11,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:38:11,445 INFO L432 NwaCegarLoop]: 1373 mSDtfsCounter, 3257 mSDsluCounter, 4423 mSDsCounter, 0 mSdLazyCounter, 5065 mSolverCounterSat, 1556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 5796 SdHoareTripleChecker+Invalid, 6621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1556 IncrementalHoareTripleChecker+Valid, 5065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:38:11,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3527 Valid, 5796 Invalid, 6621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1556 Valid, 5065 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2024-10-24 13:38:11,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13274 states. [2024-10-24 13:38:12,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13274 to 10353. [2024-10-24 13:38:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10353 states, 7147 states have (on average 1.343920526094865) internal successors, (9605), 7207 states have internal predecessors, (9605), 2553 states have call successors, (2553), 653 states have call predecessors, (2553), 652 states have return successors, (2552), 2552 states have call predecessors, (2552), 2552 states have call successors, (2552) [2024-10-24 13:38:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10353 states to 10353 states and 14710 transitions. [2024-10-24 13:38:12,187 INFO L78 Accepts]: Start accepts. Automaton has 10353 states and 14710 transitions. Word has length 252 [2024-10-24 13:38:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:38:12,187 INFO L471 AbstractCegarLoop]: Abstraction has 10353 states and 14710 transitions. [2024-10-24 13:38:12,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-10-24 13:38:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10353 states and 14710 transitions. [2024-10-24 13:38:12,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-24 13:38:12,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:38:12,211 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:38:12,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:38:12,212 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:38:12,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:38:12,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1547677196, now seen corresponding path program 1 times [2024-10-24 13:38:12,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:38:12,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947023606] [2024-10-24 13:38:12,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:38:12,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:38:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:38:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 13:38:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:38:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 13:38:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 13:38:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:38:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 13:38:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 13:38:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:38:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:38:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:38:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:38:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:38:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:38:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:38:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:38:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:38:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:38:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:38:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:38:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:38:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:38:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:38:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:38:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-24 13:38:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 13:38:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 13:38:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-24 13:38:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 13:38:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 13:38:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-24 13:38:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-10-24 13:38:12,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:38:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947023606] [2024-10-24 13:38:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947023606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:38:12,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:38:12,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:38:12,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248080741] [2024-10-24 13:38:12,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:38:12,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:38:12,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:38:12,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:38:12,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:38:12,726 INFO L87 Difference]: Start difference. First operand 10353 states and 14710 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:38:19,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:21,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:38:21,137 INFO L93 Difference]: Finished difference Result 23643 states and 34349 transitions. [2024-10-24 13:38:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:38:21,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 292 [2024-10-24 13:38:21,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:38:21,185 INFO L225 Difference]: With dead ends: 23643 [2024-10-24 13:38:21,186 INFO L226 Difference]: Without dead ends: 13291 [2024-10-24 13:38:21,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:38:21,218 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 1222 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:38:21,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 3808 Invalid, 3817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-10-24 13:38:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13291 states. [2024-10-24 13:38:22,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13291 to 10363. [2024-10-24 13:38:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10363 states, 7157 states have (on average 1.3434399888221322) internal successors, (9615), 7217 states have internal predecessors, (9615), 2553 states have call successors, (2553), 653 states have call predecessors, (2553), 652 states have return successors, (2552), 2552 states have call predecessors, (2552), 2552 states have call successors, (2552) [2024-10-24 13:38:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10363 states to 10363 states and 14720 transitions. [2024-10-24 13:38:22,046 INFO L78 Accepts]: Start accepts. Automaton has 10363 states and 14720 transitions. Word has length 292 [2024-10-24 13:38:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:38:22,047 INFO L471 AbstractCegarLoop]: Abstraction has 10363 states and 14720 transitions. [2024-10-24 13:38:22,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:38:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 10363 states and 14720 transitions. [2024-10-24 13:38:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-10-24 13:38:22,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:38:22,071 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:38:22,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:38:22,071 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:38:22,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:38:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash 297315452, now seen corresponding path program 1 times [2024-10-24 13:38:22,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:38:22,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603764754] [2024-10-24 13:38:22,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:38:22,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:38:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:38:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 13:38:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:38:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 13:38:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 13:38:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:38:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 13:38:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 13:38:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:38:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:38:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:38:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:38:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:38:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:38:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:38:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:38:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:38:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:38:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:38:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:38:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:38:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:38:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:38:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 13:38:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 13:38:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 13:38:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 13:38:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 13:38:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-24 13:38:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 13:38:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 13:38:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-10-24 13:38:22,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:38:22,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603764754] [2024-10-24 13:38:22,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603764754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:38:22,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:38:22,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:38:22,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790401007] [2024-10-24 13:38:22,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:38:22,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:38:22,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:38:22,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:38:22,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:38:22,584 INFO L87 Difference]: Start difference. First operand 10363 states and 14720 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:38:28,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:30,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:32,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:38:32,849 INFO L93 Difference]: Finished difference Result 23673 states and 34379 transitions. [2024-10-24 13:38:32,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:38:32,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 290 [2024-10-24 13:38:32,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:38:32,897 INFO L225 Difference]: With dead ends: 23673 [2024-10-24 13:38:32,897 INFO L226 Difference]: Without dead ends: 13311 [2024-10-24 13:38:32,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:38:32,926 INFO L432 NwaCegarLoop]: 1001 mSDtfsCounter, 1214 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 3948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:38:32,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 3829 Invalid, 3948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 3371 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-10-24 13:38:32,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13311 states. [2024-10-24 13:38:33,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13311 to 10373. [2024-10-24 13:38:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10373 states, 7167 states have (on average 1.342960792521278) internal successors, (9625), 7227 states have internal predecessors, (9625), 2553 states have call successors, (2553), 653 states have call predecessors, (2553), 652 states have return successors, (2552), 2552 states have call predecessors, (2552), 2552 states have call successors, (2552) [2024-10-24 13:38:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10373 states to 10373 states and 14730 transitions. [2024-10-24 13:38:33,585 INFO L78 Accepts]: Start accepts. Automaton has 10373 states and 14730 transitions. Word has length 290 [2024-10-24 13:38:33,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:38:33,585 INFO L471 AbstractCegarLoop]: Abstraction has 10373 states and 14730 transitions. [2024-10-24 13:38:33,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:38:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 10373 states and 14730 transitions. [2024-10-24 13:38:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-24 13:38:33,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:38:33,615 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:38:33,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:38:33,616 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:38:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:38:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash -42036132, now seen corresponding path program 1 times [2024-10-24 13:38:33,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:38:33,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110678151] [2024-10-24 13:38:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:38:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:38:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:38:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 13:38:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 13:38:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 13:38:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 13:38:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:38:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 13:38:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 13:38:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:38:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:38:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:38:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:38:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:38:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:38:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:38:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:38:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:38:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:38:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:33,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:38:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:38:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:38:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:38:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:38:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 13:38:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 13:38:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 13:38:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 13:38:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 13:38:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 13:38:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 13:38:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 13:38:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-10-24 13:38:34,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:38:34,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110678151] [2024-10-24 13:38:34,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110678151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:38:34,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:38:34,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:38:34,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274001798] [2024-10-24 13:38:34,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:38:34,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:38:34,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:38:34,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:38:34,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:38:34,198 INFO L87 Difference]: Start difference. First operand 10373 states and 14730 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:38:40,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:42,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:38:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:38:43,151 INFO L93 Difference]: Finished difference Result 23703 states and 34409 transitions. [2024-10-24 13:38:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:38:43,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 293 [2024-10-24 13:38:43,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:38:43,200 INFO L225 Difference]: With dead ends: 23703 [2024-10-24 13:38:43,200 INFO L226 Difference]: Without dead ends: 13331 [2024-10-24 13:38:43,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:38:43,227 INFO L432 NwaCegarLoop]: 998 mSDtfsCounter, 1353 mSDsluCounter, 2825 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 977 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 3823 SdHoareTripleChecker+Invalid, 4282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 977 IncrementalHoareTripleChecker+Valid, 3305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:38:43,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 3823 Invalid, 4282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [977 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-10-24 13:38:43,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13331 states. [2024-10-24 13:38:43,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13331 to 10383. [2024-10-24 13:38:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10383 states, 7177 states have (on average 1.3424829315870141) internal successors, (9635), 7237 states have internal predecessors, (9635), 2553 states have call successors, (2553), 653 states have call predecessors, (2553), 652 states have return successors, (2552), 2552 states have call predecessors, (2552), 2552 states have call successors, (2552) [2024-10-24 13:38:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10383 states to 10383 states and 14740 transitions. [2024-10-24 13:38:43,877 INFO L78 Accepts]: Start accepts. Automaton has 10383 states and 14740 transitions. Word has length 293 [2024-10-24 13:38:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:38:43,878 INFO L471 AbstractCegarLoop]: Abstraction has 10383 states and 14740 transitions. [2024-10-24 13:38:43,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (44), 8 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-24 13:38:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 10383 states and 14740 transitions. [2024-10-24 13:38:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-10-24 13:38:43,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:38:43,899 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:38:43,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 13:38:43,899 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:38:43,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:38:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1719509283, now seen corresponding path program 1 times [2024-10-24 13:38:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:38:43,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530606442] [2024-10-24 13:38:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:38:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:38:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:38:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 13:38:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:38:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 13:38:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 13:38:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 13:38:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:38:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:38:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:38:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 13:38:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:38:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:38:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:38:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:38:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:38:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:38:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 13:38:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 13:38:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:38:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:38:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:38:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:38:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:38:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 13:38:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:38:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:38:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 13:38:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:38:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 13:38:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 13:38:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:38:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-24 13:38:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-24 13:38:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 13:38:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 13:38:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-24 13:38:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-24 13:38:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:38:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-10-24 13:38:44,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:38:44,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530606442] [2024-10-24 13:38:44,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530606442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:38:44,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:38:44,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:38:44,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032117441] [2024-10-24 13:38:44,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:38:44,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:38:44,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:38:44,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:38:44,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:38:44,422 INFO L87 Difference]: Start difference. First operand 10383 states and 14740 transitions. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (53), 8 states have call predecessors, (53), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)