./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:46:21,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:46:21,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:46:21,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:46:21,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:46:21,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:46:21,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:46:21,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:46:21,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:46:21,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:46:21,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:46:21,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:46:21,936 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:46:21,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:46:21,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:46:21,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:46:21,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:46:21,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:46:21,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:46:21,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:46:21,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:46:21,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:46:21,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:46:21,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:46:21,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:46:21,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:46:21,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:46:21,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:46:21,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:46:21,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:46:21,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:46:21,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:46:21,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:46:21,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:46:21,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:46:21,956 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:46:21,956 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_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2023-11-06 22:46:22,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:46:22,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:46:22,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:46:22,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:46:22,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:46:22,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-06 22:46:25,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:46:26,697 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:46:26,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-06 22:46:26,763 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/data/d6c6c110a/cccf977cb9734987b1a626f6f7a0e841/FLAG199e445cf [2023-11-06 22:46:27,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/data/d6c6c110a/cccf977cb9734987b1a626f6f7a0e841 [2023-11-06 22:46:27,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:46:27,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:46:27,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:27,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:46:27,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:46:27,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:27" (1/1) ... [2023-11-06 22:46:27,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d7e0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:27, skipping insertion in model container [2023-11-06 22:46:27,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:27" (1/1) ... [2023-11-06 22:46:27,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:46:30,575 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_f97101d1-51e7-4655-a62b-f455731163c2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-06 22:46:30,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:30,810 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:46:30,999 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"); [3721] [2023-11-06 22:46:31,002 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)); [3728] [2023-11-06 22:46:31,005 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [3799-3800] [2023-11-06 22:46:31,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3805-3807] [2023-11-06 22:46:31,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3921] [2023-11-06 22:46:31,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3928] [2023-11-06 22:46:31,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7398] [2023-11-06 22:46:31,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7401] [2023-11-06 22:46:31,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7446] [2023-11-06 22:46:31,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7467] [2023-11-06 22:46:31,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-06 22:46:31,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7582] [2023-11-06 22:46:31,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2023-11-06 22:46:31,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7883] [2023-11-06 22:46:31,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7914] [2023-11-06 22:46:31,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7966] [2023-11-06 22:46:31,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8065] [2023-11-06 22:46:31,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8138] [2023-11-06 22:46:31,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8314] [2023-11-06 22:46:31,578 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_f97101d1-51e7-4655-a62b-f455731163c2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-06 22:46:31,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:31,750 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:46:31,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31 WrapperNode [2023-11-06 22:46:31,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:31,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:31,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:46:31,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:46:31,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:31,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,438 INFO L138 Inliner]: procedures = 326, calls = 4607, calls flagged for inlining = 133, calls inlined = 123, statements flattened = 10169 [2023-11-06 22:46:32,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:32,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:46:32,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:46:32,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:46:32,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:32,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:33,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:46:33,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:46:33,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:46:33,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:46:33,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (1/1) ... [2023-11-06 22:46:33,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:46:33,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:33,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:33,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f97101d1-51e7-4655-a62b-f455731163c2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:46:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2023-11-06 22:46:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2023-11-06 22:46:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-06 22:46:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-06 22:46:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-06 22:46:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-06 22:46:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-06 22:46:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-06 22:46:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2023-11-06 22:46:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2023-11-06 22:46:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2023-11-06 22:46:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2023-11-06 22:46:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-06 22:46:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-06 22:46:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2023-11-06 22:46:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2023-11-06 22:46:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-06 22:46:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-06 22:46:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2023-11-06 22:46:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2023-11-06 22:46:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2023-11-06 22:46:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2023-11-06 22:46:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:46:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:46:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-06 22:46:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-06 22:46:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-06 22:46:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-06 22:46:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2023-11-06 22:46:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2023-11-06 22:46:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2023-11-06 22:46:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2023-11-06 22:46:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-06 22:46:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-06 22:46:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2023-11-06 22:46:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2023-11-06 22:46:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2023-11-06 22:46:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2023-11-06 22:46:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2023-11-06 22:46:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2023-11-06 22:46:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:46:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:46:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:46:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:46:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2023-11-06 22:46:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2023-11-06 22:46:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-06 22:46:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-06 22:46:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2023-11-06 22:46:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2023-11-06 22:46:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 22:46:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 22:46:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:46:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:46:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2023-11-06 22:46:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2023-11-06 22:46:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2023-11-06 22:46:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2023-11-06 22:46:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2023-11-06 22:46:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2023-11-06 22:46:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-06 22:46:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-06 22:46:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 22:46:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 22:46:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:46:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:46:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2023-11-06 22:46:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2023-11-06 22:46:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2023-11-06 22:46:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2023-11-06 22:46:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2023-11-06 22:46:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2023-11-06 22:46:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-06 22:46:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-06 22:46:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 22:46:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 22:46:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:46:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2023-11-06 22:46:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2023-11-06 22:46:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:46:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:46:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:46:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-06 22:46:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-06 22:46:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2023-11-06 22:46:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2023-11-06 22:46:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2023-11-06 22:46:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2023-11-06 22:46:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2023-11-06 22:46:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2023-11-06 22:46:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2023-11-06 22:46:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2023-11-06 22:46:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:46:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:46:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-06 22:46:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-06 22:46:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2023-11-06 22:46:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2023-11-06 22:46:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2023-11-06 22:46:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2023-11-06 22:46:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:46:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2023-11-06 22:46:33,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2023-11-06 22:46:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2023-11-06 22:46:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2023-11-06 22:46:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:46:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2023-11-06 22:46:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2023-11-06 22:46:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-06 22:46:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-06 22:46:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-06 22:46:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-06 22:46:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2023-11-06 22:46:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2023-11-06 22:46:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-06 22:46:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-06 22:46:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 22:46:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 22:46:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:46:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:46:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-06 22:46:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-06 22:46:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:46:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:46:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:46:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:46:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:46:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:46:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2023-11-06 22:46:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2023-11-06 22:46:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2023-11-06 22:46:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2023-11-06 22:46:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:46:33,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:46:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-06 22:46:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-06 22:46:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2023-11-06 22:46:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2023-11-06 22:46:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2023-11-06 22:46:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2023-11-06 22:46:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2023-11-06 22:46:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2023-11-06 22:46:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:46:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:46:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-06 22:46:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-06 22:46:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 22:46:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 22:46:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2023-11-06 22:46:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2023-11-06 22:46:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2023-11-06 22:46:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2023-11-06 22:46:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-06 22:46:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-06 22:46:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:46:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2023-11-06 22:46:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2023-11-06 22:46:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2023-11-06 22:46:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2023-11-06 22:46:33,191 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2023-11-06 22:46:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2023-11-06 22:46:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2023-11-06 22:46:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2023-11-06 22:46:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2023-11-06 22:46:33,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2023-11-06 22:46:33,192 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2023-11-06 22:46:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2023-11-06 22:46:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2023-11-06 22:46:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2023-11-06 22:46:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2023-11-06 22:46:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2023-11-06 22:46:33,193 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2023-11-06 22:46:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2023-11-06 22:46:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2023-11-06 22:46:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2023-11-06 22:46:33,194 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2023-11-06 22:46:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2023-11-06 22:46:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2023-11-06 22:46:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2023-11-06 22:46:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:46:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:46:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2023-11-06 22:46:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2023-11-06 22:46:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-06 22:46:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-06 22:46:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2023-11-06 22:46:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2023-11-06 22:46:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:46:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2023-11-06 22:46:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2023-11-06 22:46:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-06 22:46:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-06 22:46:33,197 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2023-11-06 22:46:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2023-11-06 22:46:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 22:46:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 22:46:33,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:46:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:46:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2023-11-06 22:46:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2023-11-06 22:46:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:46:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-06 22:46:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-06 22:46:33,199 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2023-11-06 22:46:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2023-11-06 22:46:33,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2023-11-06 22:46:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2023-11-06 22:46:33,200 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 22:46:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 22:46:33,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:46:33,201 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2023-11-06 22:46:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2023-11-06 22:46:33,201 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-06 22:46:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-06 22:46:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:46:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:46:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:46:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2023-11-06 22:46:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2023-11-06 22:46:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2023-11-06 22:46:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2023-11-06 22:46:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2023-11-06 22:46:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2023-11-06 22:46:33,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:46:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:46:33,204 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2023-11-06 22:46:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2023-11-06 22:46:33,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 22:46:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 22:46:33,204 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2023-11-06 22:46:33,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2023-11-06 22:46:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:46:33,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:46:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-06 22:46:33,205 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-06 22:46:33,205 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2023-11-06 22:46:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2023-11-06 22:46:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-06 22:46:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-06 22:46:33,206 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 22:46:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 22:46:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2023-11-06 22:46:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2023-11-06 22:46:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-06 22:46:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-06 22:46:33,207 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2023-11-06 22:46:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2023-11-06 22:46:33,208 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2023-11-06 22:46:33,208 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2023-11-06 22:46:33,208 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-06 22:46:33,208 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-06 22:46:33,208 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-06 22:46:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-06 22:46:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2023-11-06 22:46:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2023-11-06 22:46:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2023-11-06 22:46:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2023-11-06 22:46:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-06 22:46:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-06 22:46:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2023-11-06 22:46:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2023-11-06 22:46:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-06 22:46:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-06 22:46:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:46:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:46:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 22:46:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 22:46:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-06 22:46:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-06 22:46:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 22:46:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 22:46:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2023-11-06 22:46:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2023-11-06 22:46:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2023-11-06 22:46:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2023-11-06 22:46:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-06 22:46:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-06 22:46:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 22:46:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 22:46:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2023-11-06 22:46:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2023-11-06 22:46:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2023-11-06 22:46:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2023-11-06 22:46:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2023-11-06 22:46:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2023-11-06 22:46:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 22:46:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 22:46:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:46:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:46:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:46:33,216 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-06 22:46:33,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-06 22:46:34,750 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:46:34,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:46:48,560 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:46:48,614 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:46:48,614 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:46:48,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:48 BoogieIcfgContainer [2023-11-06 22:46:48,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:46:48,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:46:48,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:46:48,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:46:48,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:46:27" (1/3) ... [2023-11-06 22:46:48,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7eb933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:48, skipping insertion in model container [2023-11-06 22:46:48,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:31" (2/3) ... [2023-11-06 22:46:48,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7eb933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:48, skipping insertion in model container [2023-11-06 22:46:48,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:48" (3/3) ... [2023-11-06 22:46:48,641 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-06 22:46:48,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:46:48,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:46:48,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:46:48,886 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=LoopsAndPotentialCycles, 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;@79b2de3d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:46:48,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:46:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 4170 states, 3096 states have (on average 1.4757751937984496) internal successors, (4569), 3167 states have internal predecessors, (4569), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) [2023-11-06 22:46:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:46:48,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:48,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:48,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:48,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1136725065, now seen corresponding path program 1 times [2023-11-06 22:46:48,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:48,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909801557] [2023-11-06 22:46:48,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:48,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:50,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:50,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909801557] [2023-11-06 22:46:50,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909801557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:50,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:50,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:46:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145433375] [2023-11-06 22:46:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:50,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:50,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:50,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:50,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:50,151 INFO L87 Difference]: Start difference. First operand has 4170 states, 3096 states have (on average 1.4757751937984496) internal successors, (4569), 3167 states have internal predecessors, (4569), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:51,387 INFO L93 Difference]: Finished difference Result 12454 states and 19556 transitions. [2023-11-06 22:46:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:51,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-06 22:46:51,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:51,545 INFO L225 Difference]: With dead ends: 12454 [2023-11-06 22:46:51,545 INFO L226 Difference]: Without dead ends: 8277 [2023-11-06 22:46:51,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:51,626 INFO L413 NwaCegarLoop]: 8828 mSDtfsCounter, 6320 mSDsluCounter, 6345 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6320 SdHoareTripleChecker+Valid, 15173 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:51,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6320 Valid, 15173 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:46:51,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2023-11-06 22:46:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 8263. [2023-11-06 22:46:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 6130 states have (on average 1.4608482871125612) internal successors, (8955), 6264 states have internal predecessors, (8955), 1854 states have call successors, (1854), 279 states have call predecessors, (1854), 278 states have return successors, (1848), 1829 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-11-06 22:46:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 12657 transitions. [2023-11-06 22:46:52,462 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 12657 transitions. Word has length 14 [2023-11-06 22:46:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:52,463 INFO L495 AbstractCegarLoop]: Abstraction has 8263 states and 12657 transitions. [2023-11-06 22:46:52,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 12657 transitions. [2023-11-06 22:46:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-06 22:46:52,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:52,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:52,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:46:52,478 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:52,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash 740887205, now seen corresponding path program 1 times [2023-11-06 22:46:52,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:52,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441805926] [2023-11-06 22:46:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:52,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:53,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:53,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441805926] [2023-11-06 22:46:53,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441805926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:53,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:53,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:46:53,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869581415] [2023-11-06 22:46:53,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:53,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:53,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:53,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:53,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:53,093 INFO L87 Difference]: Start difference. First operand 8263 states and 12657 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:54,268 INFO L93 Difference]: Finished difference Result 24739 states and 37891 transitions. [2023-11-06 22:46:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:54,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-06 22:46:54,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:54,481 INFO L225 Difference]: With dead ends: 24739 [2023-11-06 22:46:54,481 INFO L226 Difference]: Without dead ends: 16479 [2023-11-06 22:46:54,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:54,567 INFO L413 NwaCegarLoop]: 7147 mSDtfsCounter, 6312 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6312 SdHoareTripleChecker+Valid, 13486 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:54,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6312 Valid, 13486 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:46:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16479 states. [2023-11-06 22:46:55,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16479 to 16465. [2023-11-06 22:46:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16465 states, 12214 states have (on average 1.460373342066481) internal successors, (17837), 12478 states have internal predecessors, (17837), 3694 states have call successors, (3694), 557 states have call predecessors, (3694), 556 states have return successors, (3688), 3649 states have call predecessors, (3688), 3688 states have call successors, (3688) [2023-11-06 22:46:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16465 states to 16465 states and 25219 transitions. [2023-11-06 22:46:55,947 INFO L78 Accepts]: Start accepts. Automaton has 16465 states and 25219 transitions. Word has length 16 [2023-11-06 22:46:55,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:55,947 INFO L495 AbstractCegarLoop]: Abstraction has 16465 states and 25219 transitions. [2023-11-06 22:46:55,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 16465 states and 25219 transitions. [2023-11-06 22:46:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 22:46:55,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:55,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:55,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:46:55,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:55,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:55,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2140288603, now seen corresponding path program 1 times [2023-11-06 22:46:55,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:55,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456833928] [2023-11-06 22:46:55,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:55,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:56,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:56,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456833928] [2023-11-06 22:46:56,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456833928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:56,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:56,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:46:56,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932540387] [2023-11-06 22:46:56,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:56,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:56,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:56,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:56,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:56,420 INFO L87 Difference]: Start difference. First operand 16465 states and 25219 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:58,298 INFO L93 Difference]: Finished difference Result 49243 states and 75434 transitions. [2023-11-06 22:46:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:58,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-06 22:46:58,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:58,567 INFO L225 Difference]: With dead ends: 49243 [2023-11-06 22:46:58,567 INFO L226 Difference]: Without dead ends: 32781 [2023-11-06 22:46:58,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:58,668 INFO L413 NwaCegarLoop]: 7211 mSDtfsCounter, 6310 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6310 SdHoareTripleChecker+Valid, 13550 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:58,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6310 Valid, 13550 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:46:58,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32781 states. [2023-11-06 22:47:00,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32781 to 32767. [2023-11-06 22:47:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32767 states, 24303 states have (on average 1.4602312471711312) internal successors, (35488), 24826 states have internal predecessors, (35488), 7358 states have call successors, (7358), 1106 states have call predecessors, (7358), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-06 22:47:01,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32767 states to 32767 states and 50198 transitions. [2023-11-06 22:47:01,028 INFO L78 Accepts]: Start accepts. Automaton has 32767 states and 50198 transitions. Word has length 18 [2023-11-06 22:47:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:01,029 INFO L495 AbstractCegarLoop]: Abstraction has 32767 states and 50198 transitions. [2023-11-06 22:47:01,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:47:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32767 states and 50198 transitions. [2023-11-06 22:47:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 22:47:01,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:01,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:01,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:47:01,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:01,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:01,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1393938807, now seen corresponding path program 1 times [2023-11-06 22:47:01,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:01,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813958101] [2023-11-06 22:47:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:01,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813958101] [2023-11-06 22:47:01,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813958101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:01,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:01,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:47:01,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266122876] [2023-11-06 22:47:01,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:01,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:47:01,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:01,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:47:01,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:47:01,911 INFO L87 Difference]: Start difference. First operand 32767 states and 50198 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:03,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:03,766 INFO L93 Difference]: Finished difference Result 65566 states and 100446 transitions. [2023-11-06 22:47:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:47:03,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-06 22:47:03,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:04,036 INFO L225 Difference]: With dead ends: 65566 [2023-11-06 22:47:04,037 INFO L226 Difference]: Without dead ends: 32802 [2023-11-06 22:47:04,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:47:04,330 INFO L413 NwaCegarLoop]: 6354 mSDtfsCounter, 22 mSDsluCounter, 12703 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 19057 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:04,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 19057 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:47:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32802 states. [2023-11-06 22:47:06,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32802 to 32770. [2023-11-06 22:47:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32770 states, 24306 states have (on average 1.4601744425244796) internal successors, (35491), 24829 states have internal predecessors, (35491), 7358 states have call successors, (7358), 1106 states have call predecessors, (7358), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-06 22:47:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32770 states to 32770 states and 50201 transitions. [2023-11-06 22:47:06,529 INFO L78 Accepts]: Start accepts. Automaton has 32770 states and 50201 transitions. Word has length 29 [2023-11-06 22:47:06,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:06,531 INFO L495 AbstractCegarLoop]: Abstraction has 32770 states and 50201 transitions. [2023-11-06 22:47:06,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32770 states and 50201 transitions. [2023-11-06 22:47:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 22:47:06,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:06,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:06,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:47:06,537 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:06,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:06,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1451197109, now seen corresponding path program 1 times [2023-11-06 22:47:06,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:06,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175123919] [2023-11-06 22:47:06,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:06,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:07,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:07,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:07,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175123919] [2023-11-06 22:47:07,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175123919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:07,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:07,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:47:07,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381905809] [2023-11-06 22:47:07,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:07,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:47:07,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:07,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:47:07,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:07,306 INFO L87 Difference]: Start difference. First operand 32770 states and 50201 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:08,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:08,492 INFO L93 Difference]: Finished difference Result 32772 states and 50202 transitions. [2023-11-06 22:47:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:47:08,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-06 22:47:08,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:08,697 INFO L225 Difference]: With dead ends: 32772 [2023-11-06 22:47:08,697 INFO L226 Difference]: Without dead ends: 32769 [2023-11-06 22:47:08,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:08,722 INFO L413 NwaCegarLoop]: 6354 mSDtfsCounter, 6332 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 6354 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:08,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6332 Valid, 6354 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:47:08,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32769 states. [2023-11-06 22:47:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32769 to 32769. [2023-11-06 22:47:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32769 states, 24306 states have (on average 1.4601333004196495) internal successors, (35490), 24828 states have internal predecessors, (35490), 7357 states have call successors, (7357), 1106 states have call predecessors, (7357), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-06 22:47:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32769 states to 32769 states and 50199 transitions. [2023-11-06 22:47:10,988 INFO L78 Accepts]: Start accepts. Automaton has 32769 states and 50199 transitions. Word has length 29 [2023-11-06 22:47:10,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:10,989 INFO L495 AbstractCegarLoop]: Abstraction has 32769 states and 50199 transitions. [2023-11-06 22:47:10,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32769 states and 50199 transitions. [2023-11-06 22:47:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 22:47:10,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:10,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:10,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:47:10,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:10,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:10,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2035852930, now seen corresponding path program 1 times [2023-11-06 22:47:10,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:10,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486262873] [2023-11-06 22:47:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:10,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:11,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:11,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486262873] [2023-11-06 22:47:11,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486262873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:11,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:11,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:47:11,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530129053] [2023-11-06 22:47:11,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:11,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:47:11,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:47:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:11,744 INFO L87 Difference]: Start difference. First operand 32769 states and 50199 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:13,061 INFO L93 Difference]: Finished difference Result 32771 states and 50200 transitions. [2023-11-06 22:47:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:47:13,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-06 22:47:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:13,245 INFO L225 Difference]: With dead ends: 32771 [2023-11-06 22:47:13,245 INFO L226 Difference]: Without dead ends: 32768 [2023-11-06 22:47:13,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:13,268 INFO L413 NwaCegarLoop]: 6352 mSDtfsCounter, 6329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6329 SdHoareTripleChecker+Valid, 6352 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:13,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6329 Valid, 6352 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:47:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32768 states. [2023-11-06 22:47:15,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32768 to 32768. [2023-11-06 22:47:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32768 states, 24306 states have (on average 1.4600921583148194) internal successors, (35489), 24827 states have internal predecessors, (35489), 7356 states have call successors, (7356), 1106 states have call predecessors, (7356), 1105 states have return successors, (7352), 7273 states have call predecessors, (7352), 7352 states have call successors, (7352) [2023-11-06 22:47:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32768 states to 32768 states and 50197 transitions. [2023-11-06 22:47:15,576 INFO L78 Accepts]: Start accepts. Automaton has 32768 states and 50197 transitions. Word has length 30 [2023-11-06 22:47:15,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:15,576 INFO L495 AbstractCegarLoop]: Abstraction has 32768 states and 50197 transitions. [2023-11-06 22:47:15,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32768 states and 50197 transitions. [2023-11-06 22:47:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:47:15,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:15,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:15,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:47:15,584 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:15,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:15,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1314648232, now seen corresponding path program 1 times [2023-11-06 22:47:15,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:15,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688565153] [2023-11-06 22:47:15,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:15,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:16,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:16,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688565153] [2023-11-06 22:47:16,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688565153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:16,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:16,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:47:16,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410392000] [2023-11-06 22:47:16,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:16,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:47:16,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:16,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:47:16,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:16,019 INFO L87 Difference]: Start difference. First operand 32768 states and 50197 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:18,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:18,019 INFO L93 Difference]: Finished difference Result 51714 states and 78570 transitions. [2023-11-06 22:47:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:47:18,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2023-11-06 22:47:18,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:18,284 INFO L225 Difference]: With dead ends: 51714 [2023-11-06 22:47:18,284 INFO L226 Difference]: Without dead ends: 51710 [2023-11-06 22:47:18,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:18,422 INFO L413 NwaCegarLoop]: 6400 mSDtfsCounter, 6292 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6292 SdHoareTripleChecker+Valid, 10482 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:18,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6292 Valid, 10482 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:47:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51710 states. [2023-11-06 22:47:21,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51710 to 51708. [2023-11-06 22:47:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51708 states, 38271 states have (on average 1.448198374748504) internal successors, (55424), 39049 states have internal predecessors, (55424), 11568 states have call successors, (11568), 1869 states have call predecessors, (11568), 1868 states have return successors, (11566), 11452 states have call predecessors, (11566), 11566 states have call successors, (11566) [2023-11-06 22:47:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51708 states to 51708 states and 78558 transitions. [2023-11-06 22:47:21,586 INFO L78 Accepts]: Start accepts. Automaton has 51708 states and 78558 transitions. Word has length 31 [2023-11-06 22:47:21,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:21,587 INFO L495 AbstractCegarLoop]: Abstraction has 51708 states and 78558 transitions. [2023-11-06 22:47:21,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 51708 states and 78558 transitions. [2023-11-06 22:47:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:47:21,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:21,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:21,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:47:21,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:21,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:21,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2100964283, now seen corresponding path program 1 times [2023-11-06 22:47:21,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:21,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878281540] [2023-11-06 22:47:21,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:22,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:22,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878281540] [2023-11-06 22:47:22,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878281540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:22,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:22,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:47:22,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553594479] [2023-11-06 22:47:22,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:22,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:47:22,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:22,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:47:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:22,074 INFO L87 Difference]: Start difference. First operand 51708 states and 78558 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:24,280 INFO L93 Difference]: Finished difference Result 51710 states and 78559 transitions. [2023-11-06 22:47:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:47:24,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-06 22:47:24,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:24,660 INFO L225 Difference]: With dead ends: 51710 [2023-11-06 22:47:24,660 INFO L226 Difference]: Without dead ends: 51618 [2023-11-06 22:47:24,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:24,694 INFO L413 NwaCegarLoop]: 6347 mSDtfsCounter, 6321 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6321 SdHoareTripleChecker+Valid, 6347 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:24,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6321 Valid, 6347 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:47:24,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51618 states. [2023-11-06 22:47:28,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51618 to 51618. [2023-11-06 22:47:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51618 states, 38222 states have (on average 1.4481450473549264) internal successors, (55351), 38992 states have internal predecessors, (55351), 11535 states have call successors, (11535), 1861 states have call predecessors, (11535), 1860 states have return successors, (11534), 11427 states have call predecessors, (11534), 11534 states have call successors, (11534) [2023-11-06 22:47:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51618 states to 51618 states and 78420 transitions. [2023-11-06 22:47:28,295 INFO L78 Accepts]: Start accepts. Automaton has 51618 states and 78420 transitions. Word has length 32 [2023-11-06 22:47:28,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:28,295 INFO L495 AbstractCegarLoop]: Abstraction has 51618 states and 78420 transitions. [2023-11-06 22:47:28,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:47:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 51618 states and 78420 transitions. [2023-11-06 22:47:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:47:28,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:28,328 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:47:28,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:47:28,329 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:28,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:28,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1313561735, now seen corresponding path program 1 times [2023-11-06 22:47:28,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:28,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635473141] [2023-11-06 22:47:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:28,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:47:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:47:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:47:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:47:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:47:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:47:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:29,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635473141] [2023-11-06 22:47:29,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635473141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:29,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:29,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:47:29,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031045805] [2023-11-06 22:47:29,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:29,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:47:29,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:29,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:47:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:47:29,158 INFO L87 Difference]: Start difference. First operand 51618 states and 78420 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:47:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:45,709 INFO L93 Difference]: Finished difference Result 139278 states and 213132 transitions. [2023-11-06 22:47:45,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:47:45,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 76 [2023-11-06 22:47:45,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:46,446 INFO L225 Difference]: With dead ends: 139278 [2023-11-06 22:47:46,446 INFO L226 Difference]: Without dead ends: 87663 [2023-11-06 22:47:46,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:47:46,813 INFO L413 NwaCegarLoop]: 10859 mSDtfsCounter, 7719 mSDsluCounter, 12008 mSDsCounter, 0 mSdLazyCounter, 4983 mSolverCounterSat, 1597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8641 SdHoareTripleChecker+Valid, 22867 SdHoareTripleChecker+Invalid, 6580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1597 IncrementalHoareTripleChecker+Valid, 4983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:46,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8641 Valid, 22867 Invalid, 6580 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1597 Valid, 4983 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-11-06 22:47:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87663 states. [2023-11-06 22:47:52,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87663 to 76038. [2023-11-06 22:47:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76038 states, 56316 states have (on average 1.4485048654023722) internal successors, (81574), 57452 states have internal predecessors, (81574), 16989 states have call successors, (16989), 2733 states have call predecessors, (16989), 2732 states have return successors, (16988), 16830 states have call predecessors, (16988), 16988 states have call successors, (16988) [2023-11-06 22:47:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76038 states to 76038 states and 115551 transitions. [2023-11-06 22:47:52,735 INFO L78 Accepts]: Start accepts. Automaton has 76038 states and 115551 transitions. Word has length 76 [2023-11-06 22:47:52,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:52,736 INFO L495 AbstractCegarLoop]: Abstraction has 76038 states and 115551 transitions. [2023-11-06 22:47:52,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-06 22:47:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 76038 states and 115551 transitions. [2023-11-06 22:47:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:47:52,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:52,768 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:52,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:47:52,769 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:47:52,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:52,769 INFO L85 PathProgramCache]: Analyzing trace with hash -211078123, now seen corresponding path program 1 times [2023-11-06 22:47:52,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:52,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802501533] [2023-11-06 22:47:52,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:52,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:47:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:47:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:47:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:47:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:47:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:47:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:47:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:53,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:53,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802501533] [2023-11-06 22:47:53,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802501533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:53,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:53,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:47:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686936804] [2023-11-06 22:47:53,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:53,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:47:53,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:53,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:47:53,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:47:53,476 INFO L87 Difference]: Start difference. First operand 76038 states and 115551 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)