./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/linux-3.14--drivers--usb--misc--adutux.ko.cil.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/linux-3.14--drivers--usb--misc--adutux.ko.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 12:51:23,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 12:51:24,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 12:51:24,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 12:51:24,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 12:51:24,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 12:51:24,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 12:51:24,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 12:51:24,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 12:51:24,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 12:51:24,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 12:51:24,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 12:51:24,092 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 12:51:24,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 12:51:24,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 12:51:24,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 12:51:24,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 12:51:24,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 12:51:24,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 12:51:24,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 12:51:24,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 12:51:24,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 12:51:24,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 12:51:24,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 12:51:24,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 12:51:24,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 12:51:24,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 12:51:24,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 12:51:24,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 12:51:24,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 12:51:24,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 12:51:24,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 12:51:24,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 12:51:24,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 12:51:24,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 12:51:24,100 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 12:51:24,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 12:51:24,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 12:51:24,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 12:51:24,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 12:51:24,101 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 12:51:24,102 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 12:51:24,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 12:51:24,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 12:51:24,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 12:51:24,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 12:51:24,379 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 12:51:24,381 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 12:51:24,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-local/linux-3.14--drivers--usb--misc--adutux.ko.cil.yml/witness.yml [2024-08-27 12:51:24,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 12:51:24,496 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 12:51:24,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-08-27 12:51:25,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 12:51:26,396 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 12:51:26,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-08-27 12:51:26,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9c5da0983/872e95a4a67947819528febfcdcf35c5/FLAGccf4b5ee4 [2024-08-27 12:51:26,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9c5da0983/872e95a4a67947819528febfcdcf35c5 [2024-08-27 12:51:26,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 12:51:26,462 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 12:51:26,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 12:51:26,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 12:51:26,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 12:51:26,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 12:51:24" (1/2) ... [2024-08-27 12:51:26,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509dec28 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 12:51:26, skipping insertion in model container [2024-08-27 12:51:26,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 12:51:24" (1/2) ... [2024-08-27 12:51:26,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57828b53 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 12:51:26, skipping insertion in model container [2024-08-27 12:51:26,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 12:51:26" (2/2) ... [2024-08-27 12:51:26,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509dec28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:26, skipping insertion in model container [2024-08-27 12:51:26,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 12:51:26" (2/2) ... [2024-08-27 12:51:26,473 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 12:51:27,057 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 12:51:27,058 INFO L1541 ArrayList]: Location invariant before [L7125-L7125] (((((((((((((unsigned char )__mod_usb_device_table.bDeviceClass == (unsigned char)0) && ((unsigned char )__mod_usb_device_table.bDeviceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bDeviceSubClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceNumber == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceSubClass == (unsigned char)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_hi == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_lo == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idProduct == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idVendor == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.match_flags == (unsigned short)0)) && ((unsigned long )__mod_usb_device_table.driver_info == 0UL) [2024-08-27 12:51:27,058 INFO L1541 ArrayList]: Location invariant before [L7111-L7111] (((((((((((((unsigned char )__mod_usb_device_table.bDeviceClass == (unsigned char)0) && ((unsigned char )__mod_usb_device_table.bDeviceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bDeviceSubClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceNumber == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceSubClass == (unsigned char)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_hi == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_lo == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idProduct == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idVendor == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.match_flags == (unsigned short)0)) && ((unsigned long )__mod_usb_device_table.driver_info == 0UL) [2024-08-27 12:51:27,058 INFO L1541 ArrayList]: Location invariant before [L6889-L6889] (((((((((((((unsigned char )__mod_usb_device_table.bDeviceClass == (unsigned char)0) && ((unsigned char )__mod_usb_device_table.bDeviceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bDeviceSubClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceNumber == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceSubClass == (unsigned char)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_hi == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_lo == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idProduct == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idVendor == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.match_flags == (unsigned short)0)) && ((unsigned long )__mod_usb_device_table.driver_info == 0UL) [2024-08-27 12:51:27,058 INFO L1541 ArrayList]: Location invariant before [L6903-L6903] (((((((((((((unsigned char )__mod_usb_device_table.bDeviceClass == (unsigned char)0) && ((unsigned char )__mod_usb_device_table.bDeviceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bDeviceSubClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceNumber == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceSubClass == (unsigned char)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_hi == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_lo == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idProduct == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idVendor == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.match_flags == (unsigned short)0)) && ((unsigned long )__mod_usb_device_table.driver_info == 0UL) [2024-08-27 12:51:27,058 INFO L1541 ArrayList]: Location invariant before [L7374-L7374] (((((((((((((unsigned char )__mod_usb_device_table.bDeviceClass == (unsigned char)0) && ((unsigned char )__mod_usb_device_table.bDeviceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bDeviceSubClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceClass == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceNumber == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceProtocol == (unsigned char)0)) && ((unsigned char )__mod_usb_device_table.bInterfaceSubClass == (unsigned char)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_hi == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.bcdDevice_lo == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idProduct == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.idVendor == (unsigned short)0)) && ((unsigned short )__mod_usb_device_table.match_flags == (unsigned short)0)) && ((unsigned long )__mod_usb_device_table.driver_info == 0UL) [2024-08-27 12:51:27,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 12:51:28,632 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2024-08-27 12:51:28,740 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 12:51:28,782 INFO L202 MainTranslator]: Completed pre-run [2024-08-27 12:51:28,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3628-3629] [2024-08-27 12:51:28,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2024-08-27 12:51:28,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2024-08-27 12:51:28,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2024-08-27 12:51:28,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2024-08-27 12:51:28,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] [2024-08-27 12:51:28,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] [2024-08-27 12:51:28,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] [2024-08-27 12:51:28,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] [2024-08-27 12:51:28,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] [2024-08-27 12:51:28,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] [2024-08-27 12:51:28,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] [2024-08-27 12:51:28,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] [2024-08-27 12:51:28,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] [2024-08-27 12:51:28,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] [2024-08-27 12:51:28,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] [2024-08-27 12:51:28,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] [2024-08-27 12:51:28,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] [2024-08-27 12:51:28,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] [2024-08-27 12:51:28,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] [2024-08-27 12:51:28,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] [2024-08-27 12:51:28,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] [2024-08-27 12:51:28,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] [2024-08-27 12:51:28,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] [2024-08-27 12:51:28,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 12:51:29,101 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] Start Parsing Local [2024-08-27 12:51:29,125 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 12:51:29,198 INFO L206 MainTranslator]: Completed translation [2024-08-27 12:51:29,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29 WrapperNode [2024-08-27 12:51:29,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 12:51:29,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 12:51:29,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 12:51:29,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 12:51:29,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,529 INFO L138 Inliner]: procedures = 287, calls = 1742, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6523 [2024-08-27 12:51:29,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 12:51:29,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 12:51:29,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 12:51:29,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 12:51:29,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 12:51:29,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 12:51:29,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 12:51:29,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 12:51:29,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (1/1) ... [2024-08-27 12:51:29,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 12:51:29,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 12:51:29,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-27 12:51:29,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-27 12:51:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2024-08-27 12:51:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2024-08-27 12:51:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-27 12:51:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2024-08-27 12:51:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-27 12:51:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 12:51:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 12:51:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-08-27 12:51:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2024-08-27 12:51:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2024-08-27 12:51:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 12:51:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 12:51:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 12:51:29,874 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 12:51:30,377 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 12:51:30,379 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 12:51:35,465 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 12:51:35,466 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 12:51:41,650 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 12:51:41,650 INFO L318 CfgBuilder]: Removed 58 assume(true) statements. [2024-08-27 12:51:41,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 12:51:41 BoogieIcfgContainer [2024-08-27 12:51:41,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 12:51:41,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 12:51:41,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 12:51:41,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 12:51:41,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 12:51:24" (1/4) ... [2024-08-27 12:51:41,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384378cb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 12:51:41, skipping insertion in model container [2024-08-27 12:51:41,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 12:51:26" (2/4) ... [2024-08-27 12:51:41,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384378cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 12:51:41, skipping insertion in model container [2024-08-27 12:51:41,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 12:51:29" (3/4) ... [2024-08-27 12:51:41,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384378cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 12:51:41, skipping insertion in model container [2024-08-27 12:51:41,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 12:51:41" (4/4) ... [2024-08-27 12:51:41,662 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-08-27 12:51:41,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 12:51:41,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2024-08-27 12:51:41,683 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 12:51:42,624 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-08-27 12:51:42,687 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 12:51:42,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 12:51:42,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 12:51:42,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 12:51:42,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-27 12:51:42,727 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 12:51:42,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_character_driver_scenario_2Thread1of1ForFork1 ======== [2024-08-27 12:51:42,750 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@f94b16a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 12:51:42,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-08-27 12:51:44,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONUNKNOWN (and 39 more)] === [2024-08-27 12:51:44,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 12:51:44,746 INFO L85 PathProgramCache]: Analyzing trace with hash -325567334, now seen corresponding path program 1 times [2024-08-27 12:51:44,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 12:51:44,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134023076] [2024-08-27 12:51:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 12:51:44,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 12:51:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 12:51:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 12:51:46,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 12:51:46,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134023076] [2024-08-27 12:51:46,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134023076] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 12:51:46,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 12:51:46,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 12:51:46,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919094932] [2024-08-27 12:51:46,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 12:51:46,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 12:51:46,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 12:51:46,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 12:51:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-27 12:51:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:51:46,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 12:51:46,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 12:51:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:51:46,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 12:51:46,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 12:51:46,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONUNKNOWN (and 39 more)] === [2024-08-27 12:51:46,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 12:51:46,336 INFO L85 PathProgramCache]: Analyzing trace with hash -636843468, now seen corresponding path program 1 times [2024-08-27 12:51:46,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 12:51:46,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124899610] [2024-08-27 12:51:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 12:51:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 12:51:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 12:51:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 12:51:49,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 12:51:49,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124899610] [2024-08-27 12:51:49,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124899610] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 12:51:49,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 12:51:49,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 12:51:49,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87645072] [2024-08-27 12:51:49,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 12:51:49,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 12:51:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 12:51:49,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 12:51:49,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 12:51:49,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:51:49,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 12:51:49,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 12:51:49,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 12:51:49,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:51:52,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 12:51:54,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 12:51:56,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 12:51:58,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 12:59:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 12:59:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 12:59:35,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 12:59:35,006 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_character_driver_scenario_2Err22ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONUNKNOWN (and 39 more)] === [2024-08-27 12:59:35,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 12:59:35,007 INFO L85 PathProgramCache]: Analyzing trace with hash -382241735, now seen corresponding path program 1 times [2024-08-27 12:59:35,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 12:59:35,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179152169] [2024-08-27 12:59:35,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 12:59:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 12:59:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 12:59:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20930 backedges. 649 proven. 0 refuted. 0 times theorem prover too weak. 20281 trivial. 0 not checked. [2024-08-27 12:59:42,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 12:59:42,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179152169] [2024-08-27 12:59:42,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179152169] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 12:59:42,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 12:59:42,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 12:59:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385457962] [2024-08-27 12:59:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 12:59:42,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 12:59:42,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 12:59:42,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 12:59:42,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 12:59:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:59:42,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 12:59:42,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 12:59:42,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 12:59:42,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 12:59:42,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:59:44,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 12:59:45,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 12:59:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 12:59:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 12:59:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 12:59:46,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 12:59:46,865 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_character_driver_scenario_2Err22ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONUNKNOWN (and 39 more)] === [2024-08-27 12:59:46,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 12:59:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash 808723280, now seen corresponding path program 1 times [2024-08-27 12:59:46,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 12:59:46,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154811096] [2024-08-27 12:59:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 12:59:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 12:59:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 12:59:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20930 backedges. 1134 proven. 0 refuted. 0 times theorem prover too weak. 19796 trivial. 0 not checked. [2024-08-27 12:59:56,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 12:59:56,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154811096] [2024-08-27 12:59:56,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154811096] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 12:59:56,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 12:59:56,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 12:59:56,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534538314] [2024-08-27 12:59:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 12:59:56,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 12:59:56,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 12:59:56,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 12:59:56,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 12:59:56,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:59:56,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 12:59:56,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 12:59:56,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 12:59:56,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 12:59:56,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 12:59:56,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 12:59:58,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:00,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:05,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:08,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:00:08,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:00:08,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:00:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:00:08,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 13:00:08,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_character_driver_scenario_2Err22ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONUNKNOWN (and 39 more)] === [2024-08-27 13:00:08,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 13:00:08,771 INFO L85 PathProgramCache]: Analyzing trace with hash -351262978, now seen corresponding path program 1 times [2024-08-27 13:00:08,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 13:00:08,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972434724] [2024-08-27 13:00:08,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 13:00:08,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 13:00:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 13:00:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-08-27 13:00:10,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 13:00:10,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972434724] [2024-08-27 13:00:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972434724] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 13:00:10,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 13:00:10,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 13:00:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356300085] [2024-08-27 13:00:10,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 13:00:10,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 13:00:10,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 13:00:10,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 13:00:10,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 13:00:10,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:00:10,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 13:00:10,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 13:00:10,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 13:00:10,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:00:10,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:00:10,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 13:00:10,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 13:00:12,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:14,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:16,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:17,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:27,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:28,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:30,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-08-27 13:00:31,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15