./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl --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 b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:57,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:57,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:06:57,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:57,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:57,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:57,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:57,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:57,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:57,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:57,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:57,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:57,605 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:57,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:57,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:57,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:57,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:57,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:57,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:57,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:57,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:57,611 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:57,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:57,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:57,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:57,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:57,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:57,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:57,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:57,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:57,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:57,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:57,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:57,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:57,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:57,618 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:57,618 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 [2023-11-12 02:06:57,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:57,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:57,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:58,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:58,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:58,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2023-11-12 02:07:01,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:07:01,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:07:01,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2023-11-12 02:07:01,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/data/3fb0adfef/c2640a6aa16e4dbabd0db679bf30a1c1/FLAGda293cfdb [2023-11-12 02:07:01,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/data/3fb0adfef/c2640a6aa16e4dbabd0db679bf30a1c1 [2023-11-12 02:07:01,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:07:01,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:07:01,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:07:01,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:07:01,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:07:01,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:07:01" (1/1) ... [2023-11-12 02:07:01,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d7ad0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:01, skipping insertion in model container [2023-11-12 02:07:01,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:07:01" (1/1) ... [2023-11-12 02:07:02,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:07:05,149 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2023-11-12 02:07:05,155 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2023-11-12 02:07:05,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:07:05,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:07:05,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6268] [2023-11-12 02:07:05,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6275] [2023-11-12 02:07:05,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6282] [2023-11-12 02:07:05,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6335] [2023-11-12 02:07:05,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6342] [2023-11-12 02:07:05,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6391] [2023-11-12 02:07:05,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6394] [2023-11-12 02:07:05,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6397] [2023-11-12 02:07:05,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6400] [2023-11-12 02:07:05,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/cfg80211.h"), "i" (3014), "i" (12UL)); [6751-6752] [2023-11-12 02:07:05,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/cfg80211.h"), "i" (3243), "i" (12UL)); [6771-6772] [2023-11-12 02:07:05,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (319), "i" (12UL)); [6949-6950] [2023-11-12 02:07:05,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (320), "i" (12UL)); [6961-6962] [2023-11-12 02:07:05,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (750), "i" (12UL)); [7608-7609] [2023-11-12 02:07:05,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (879), "i" (12UL)); [7806-7807] [2023-11-12 02:07:05,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1369), "i" (12UL)); [8512-8513] [2023-11-12 02:07:05,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1370), "i" (12UL)); [8524-8525] [2023-11-12 02:07:05,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1469), "i" (12UL)); [8691-8692] [2023-11-12 02:07:05,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/wireless/orinoco/orinoco_usb.c"), "i" (1470), "i" (12UL)); [8703-8704] [2023-11-12 02:07:05,601 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2023-11-12 02:07:05,602 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2023-11-12 02:07:05,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:07:05,820 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:07:05,829 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:07:05,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05 WrapperNode [2023-11-12 02:07:05,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:07:05,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:07:05,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:07:05,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:07:05,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:05,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,188 INFO L138 Inliner]: procedures = 421, calls = 1906, calls flagged for inlining = 206, calls inlined = 180, statements flattened = 4378 [2023-11-12 02:07:06,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:07:06,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:07:06,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:07:06,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:07:06,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:07:06,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:07:06,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:07:06,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:07:06,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (1/1) ... [2023-11-12 02:07:06,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:07:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:06,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e927ca-c3ba-4f8b-9c63-f0ba23e31f76/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:07:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure build_crc [2023-11-12 02:07:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure build_crc [2023-11-12 02:07:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_set_multicast_list [2023-11-12 02:07:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_set_multicast_list [2023-11-12 02:07:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:07:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:07:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 02:07:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-12 02:07:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:07:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:07:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irqsave [2023-11-12 02:07:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irqsave [2023-11-12 02:07:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 02:07:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 02:07:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:07:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:07:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure free_orinocodev [2023-11-12 02:07:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure free_orinocodev [2023-11-12 02:07:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:07:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:07:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:07:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:07:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:07:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:07:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_8051_cpucs [2023-11-12 02:07:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_8051_cpucs [2023-11-12 02:07:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:07:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:07:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:07:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_unlock [2023-11-12 02:07:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_unlock [2023-11-12 02:07:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_open [2023-11-12 02:07:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_open [2023-11-12 02:07:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:07:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:07:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 02:07:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 02:07:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irqrestore [2023-11-12 02:07:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irqrestore [2023-11-12 02:07:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:07:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_disconnect [2023-11-12 02:07:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_disconnect [2023-11-12 02:07:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:07:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:07:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:07:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:07:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:07:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:07:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 02:07:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 02:07:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:07:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:07:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_init [2023-11-12 02:07:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_init [2023-11-12 02:07:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:07:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:07:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-12 02:07:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-12 02:07:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:07:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:07:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_hard_reset [2023-11-12 02:07:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_hard_reset [2023-11-12 02:07:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 02:07:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 02:07:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:07:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 02:07:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 02:07:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:07:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:07:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:07:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:07:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:07:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:07:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:07:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-12 02:07:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-12 02:07:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:07:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:07:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_request_context_put [2023-11-12 02:07:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_request_context_put [2023-11-12 02:07:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 02:07:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 02:07:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-12 02:07:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-12 02:07:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_submit_in_urb [2023-11-12 02:07:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_submit_in_urb [2023-11-12 02:07:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 02:07:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 02:07:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:07:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:07:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irq [2023-11-12 02:07:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irq [2023-11-12 02:07:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:07:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:07:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure ndev_priv [2023-11-12 02:07:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ndev_priv [2023-11-12 02:07:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 02:07:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 02:07:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:07:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:07:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:07:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:07:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-12 02:07:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-12 02:07:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irq [2023-11-12 02:07:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irq [2023-11-12 02:07:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:07:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:07:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:07:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-12 02:07:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-12 02:07:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:07:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-12 02:07:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-12 02:07:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2023-11-12 02:07:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2023-11-12 02:07:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:07:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_tx_timeout [2023-11-12 02:07:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_tx_timeout [2023-11-12 02:07:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:07:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:07:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_program_end [2023-11-12 02:07:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_program_end [2023-11-12 02:07:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-12 02:07:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-12 02:07:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:07:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:07:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:07:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:07:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2023-11-12 02:07:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2023-11-12 02:07:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_stop [2023-11-12 02:07:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_stop [2023-11-12 02:07:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_access_ltv [2023-11-12 02:07:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_access_ltv [2023-11-12 02:07:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 02:07:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 02:07:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_write_ltv [2023-11-12 02:07:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_write_ltv [2023-11-12 02:07:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_mod_timer [2023-11-12 02:07:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_mod_timer [2023-11-12 02:07:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:07:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:07:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 02:07:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 02:07:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:07:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:07:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_req_queue_run [2023-11-12 02:07:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_req_queue_run [2023-11-12 02:07:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:07:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:07:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2023-11-12 02:07:06,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2023-11-12 02:07:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_ctx_complete [2023-11-12 02:07:06,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_ctx_complete [2023-11-12 02:07:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_delete [2023-11-12 02:07:06,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_delete [2023-11-12 02:07:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:07:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_alloc_ctx [2023-11-12 02:07:06,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_alloc_ctx [2023-11-12 02:07:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:07:06,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:07:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 02:07:06,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 02:07:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_reply_inc [2023-11-12 02:07:06,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_reply_inc [2023-11-12 02:07:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2023-11-12 02:07:06,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2023-11-12 02:07:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_docmd_wait [2023-11-12 02:07:06,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_docmd_wait [2023-11-12 02:07:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:07:06,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:07:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2023-11-12 02:07:06,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2023-11-12 02:07:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:07:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:07:06,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:07:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_complete_all [2023-11-12 02:07:06,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_complete_all [2023-11-12 02:07:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:07:06,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:07:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-12 02:07:06,732 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-12 02:07:07,533 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:07:07,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:07:08,183 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:07:11,182 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:07:11,427 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:07:11,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:07:11,459 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:07:11,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:07:11 BoogieIcfgContainer [2023-11-12 02:07:11,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:07:11,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:07:11,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:07:11,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:07:11,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:07:01" (1/3) ... [2023-11-12 02:07:11,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab45470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:07:11, skipping insertion in model container [2023-11-12 02:07:11,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:07:05" (2/3) ... [2023-11-12 02:07:11,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab45470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:07:11, skipping insertion in model container [2023-11-12 02:07:11,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:07:11" (3/3) ... [2023-11-12 02:07:11,474 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2023-11-12 02:07:11,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:07:11,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:07:11,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:07:11,606 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a55a430, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:07:11,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:07:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 1584 states, 1091 states have (on average 1.2933088909257562) internal successors, (1411), 1104 states have internal predecessors, (1411), 410 states have call successors, (410), 83 states have call predecessors, (410), 82 states have return successors, (403), 399 states have call predecessors, (403), 403 states have call successors, (403) [2023-11-12 02:07:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-12 02:07:11,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:11,665 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:11,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:11,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash 958640905, now seen corresponding path program 1 times [2023-11-12 02:07:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684785816] [2023-11-12 02:07:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:07:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:07:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:07:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:07:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:07:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:07:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:07:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-12 02:07:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-12 02:07:13,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:13,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684785816] [2023-11-12 02:07:13,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684785816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:13,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:13,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:13,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283187643] [2023-11-12 02:07:13,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:13,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:13,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:13,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:13,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:13,356 INFO L87 Difference]: Start difference. First operand has 1584 states, 1091 states have (on average 1.2933088909257562) internal successors, (1411), 1104 states have internal predecessors, (1411), 410 states have call successors, (410), 83 states have call predecessors, (410), 82 states have return successors, (403), 399 states have call predecessors, (403), 403 states have call successors, (403) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 02:07:19,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:19,205 INFO L93 Difference]: Finished difference Result 4744 states and 6885 transitions. [2023-11-12 02:07:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:19,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 203 [2023-11-12 02:07:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:19,277 INFO L225 Difference]: With dead ends: 4744 [2023-11-12 02:07:19,277 INFO L226 Difference]: Without dead ends: 3116 [2023-11-12 02:07:19,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:19,316 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 2533 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 2065 mSolverCounterSat, 1126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 4123 SdHoareTripleChecker+Invalid, 3191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 2065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:19,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 4123 Invalid, 3191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1126 Valid, 2065 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-12 02:07:19,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3116 states. [2023-11-12 02:07:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3116 to 2810. [2023-11-12 02:07:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2810 states, 1962 states have (on average 1.275229357798165) internal successors, (2502), 1988 states have internal predecessors, (2502), 689 states have call successors, (689), 158 states have call predecessors, (689), 158 states have return successors, (689), 679 states have call predecessors, (689), 689 states have call successors, (689) [2023-11-12 02:07:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 3880 transitions. [2023-11-12 02:07:19,749 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 3880 transitions. Word has length 203 [2023-11-12 02:07:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:19,751 INFO L495 AbstractCegarLoop]: Abstraction has 2810 states and 3880 transitions. [2023-11-12 02:07:19,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 02:07:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3880 transitions. [2023-11-12 02:07:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-12 02:07:19,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:19,763 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:19,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:07:19,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:19,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:19,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1966317067, now seen corresponding path program 1 times [2023-11-12 02:07:19,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:19,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887616988] [2023-11-12 02:07:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:19,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:07:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:07:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:07:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:07:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:07:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:07:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:07:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-12 02:07:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-12 02:07:20,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:20,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887616988] [2023-11-12 02:07:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887616988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:20,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:20,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527300593] [2023-11-12 02:07:20,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:20,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:20,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:20,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:20,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:20,812 INFO L87 Difference]: Start difference. First operand 2810 states and 3880 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 02:07:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:25,727 INFO L93 Difference]: Finished difference Result 7971 states and 11139 transitions. [2023-11-12 02:07:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:25,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 209 [2023-11-12 02:07:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:25,777 INFO L225 Difference]: With dead ends: 7971 [2023-11-12 02:07:25,777 INFO L226 Difference]: Without dead ends: 5196 [2023-11-12 02:07:25,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:25,793 INFO L413 NwaCegarLoop]: 1672 mSDtfsCounter, 2105 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 2902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 883 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:25,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 4053 Invalid, 2902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [883 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-12 02:07:25,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2023-11-12 02:07:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 4679. [2023-11-12 02:07:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4679 states, 3289 states have (on average 1.2736394040741867) internal successors, (4189), 3339 states have internal predecessors, (4189), 1110 states have call successors, (1110), 279 states have call predecessors, (1110), 279 states have return successors, (1110), 1086 states have call predecessors, (1110), 1110 states have call successors, (1110) [2023-11-12 02:07:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4679 states and 6409 transitions. [2023-11-12 02:07:26,109 INFO L78 Accepts]: Start accepts. Automaton has 4679 states and 6409 transitions. Word has length 209 [2023-11-12 02:07:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:26,112 INFO L495 AbstractCegarLoop]: Abstraction has 4679 states and 6409 transitions. [2023-11-12 02:07:26,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 02:07:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4679 states and 6409 transitions. [2023-11-12 02:07:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-12 02:07:26,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:26,125 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2023-11-12 02:07:26,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:07:26,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:26,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:26,127 INFO L85 PathProgramCache]: Analyzing trace with hash 244637607, now seen corresponding path program 1 times [2023-11-12 02:07:26,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:26,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291313191] [2023-11-12 02:07:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:26,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:07:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:07:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:07:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:07:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:07:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:07:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:07:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-12 02:07:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-12 02:07:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-12 02:07:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2023-11-12 02:07:27,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:27,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291313191] [2023-11-12 02:07:27,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291313191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:27,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:27,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:27,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348006361] [2023-11-12 02:07:27,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:27,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:27,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:27,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:27,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:27,046 INFO L87 Difference]: Start difference. First operand 4679 states and 6409 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 02:07:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:32,458 INFO L93 Difference]: Finished difference Result 12074 states and 16738 transitions. [2023-11-12 02:07:32,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:32,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-11-12 02:07:32,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:32,540 INFO L225 Difference]: With dead ends: 12074 [2023-11-12 02:07:32,540 INFO L226 Difference]: Without dead ends: 7430 [2023-11-12 02:07:32,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:32,579 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 2544 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 3857 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:32,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 3857 Invalid, 2864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1128 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-12 02:07:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7430 states. [2023-11-12 02:07:33,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7430 to 6666. [2023-11-12 02:07:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 4688 states have (on average 1.2713310580204777) internal successors, (5960), 4761 states have internal predecessors, (5960), 1561 states have call successors, (1561), 416 states have call predecessors, (1561), 416 states have return successors, (1561), 1527 states have call predecessors, (1561), 1561 states have call successors, (1561) [2023-11-12 02:07:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9082 transitions. [2023-11-12 02:07:33,063 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9082 transitions. Word has length 225 [2023-11-12 02:07:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:33,067 INFO L495 AbstractCegarLoop]: Abstraction has 6666 states and 9082 transitions. [2023-11-12 02:07:33,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 02:07:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9082 transitions. [2023-11-12 02:07:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-12 02:07:33,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:33,076 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2023-11-12 02:07:33,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:07:33,077 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:33,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:33,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1783374595, now seen corresponding path program 1 times [2023-11-12 02:07:33,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:33,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661044948] [2023-11-12 02:07:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:33,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:07:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:07:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:07:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:07:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:07:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:07:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:07:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-12 02:07:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-12 02:07:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-12 02:07:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2023-11-12 02:07:34,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:34,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661044948] [2023-11-12 02:07:34,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661044948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:34,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:34,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:34,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256451227] [2023-11-12 02:07:34,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:34,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:34,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:34,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:34,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:34,060 INFO L87 Difference]: Start difference. First operand 6666 states and 9082 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 02:07:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:39,727 INFO L93 Difference]: Finished difference Result 17846 states and 24672 transitions. [2023-11-12 02:07:39,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:39,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 232 [2023-11-12 02:07:39,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:39,824 INFO L225 Difference]: With dead ends: 17846 [2023-11-12 02:07:39,824 INFO L226 Difference]: Without dead ends: 11215 [2023-11-12 02:07:39,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:39,861 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 2433 mSDsluCounter, 2997 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 5715 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 734 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:39,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 5715 Invalid, 3227 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [734 Valid, 2493 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-12 02:07:39,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11215 states. [2023-11-12 02:07:40,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11215 to 10087. [2023-11-12 02:07:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10087 states, 7102 states have (on average 1.2706279921148973) internal successors, (9024), 7211 states have internal predecessors, (9024), 2354 states have call successors, (2354), 630 states have call predecessors, (2354), 630 states have return successors, (2354), 2302 states have call predecessors, (2354), 2354 states have call successors, (2354) [2023-11-12 02:07:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10087 states to 10087 states and 13732 transitions. [2023-11-12 02:07:40,635 INFO L78 Accepts]: Start accepts. Automaton has 10087 states and 13732 transitions. Word has length 232 [2023-11-12 02:07:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:40,636 INFO L495 AbstractCegarLoop]: Abstraction has 10087 states and 13732 transitions. [2023-11-12 02:07:40,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 02:07:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 10087 states and 13732 transitions. [2023-11-12 02:07:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-11-12 02:07:40,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:40,648 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2023-11-12 02:07:40,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:07:40,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:07:40,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1780475511, now seen corresponding path program 1 times [2023-11-12 02:07:40,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:40,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944813453] [2023-11-12 02:07:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:40,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:07:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:07:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:07:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:07:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:07:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-12 02:07:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-12 02:07:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-12 02:07:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-12 02:07:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-12 02:07:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-12 02:07:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-12 02:07:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-12 02:07:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-12 02:07:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-12 02:07:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-12 02:07:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-11-12 02:07:41,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:41,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944813453] [2023-11-12 02:07:41,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944813453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:41,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:41,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:41,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144985357] [2023-11-12 02:07:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:41,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:41,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:41,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:41,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:41,560 INFO L87 Difference]: Start difference. First operand 10087 states and 13732 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)