./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:33,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:33,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 12:00:33,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:33,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:33,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:33,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:33,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:33,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:33,725 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:33,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:33,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:33,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:33,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:33,730 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:33,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:33,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:33,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:33,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:33,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:33,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:33,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:33,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:33,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:33,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:33,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:33,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:33,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:33,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:33,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:33,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:33,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:33,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:33,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:33,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:33,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:33,743 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:33,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:33,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:33,743 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_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 [2023-11-26 12:00:34,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:34,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:34,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:34,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:34,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:34,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2023-11-26 12:00:37,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:37,991 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:37,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2023-11-26 12:00:38,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/data/ae06840d8/dc3b5142eefa4991b58cbefd3794d4a6/FLAG9c39dfaeb [2023-11-26 12:00:38,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/data/ae06840d8/dc3b5142eefa4991b58cbefd3794d4a6 [2023-11-26 12:00:38,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:38,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:38,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:38,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:38,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:38,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a38d91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38, skipping insertion in model container [2023-11-26 12:00:38,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:40,190 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_17689d8c-207f-430e-9158-96496aec5525/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2023-11-26 12:00:40,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:40,530 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:40,701 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)); [2870] [2023-11-26 12:00:40,704 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2878-2879] [2023-11-26 12:00:40,713 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; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [2950-2951] [2023-11-26 12:00:40,714 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2962-2963] [2023-11-26 12:00:40,715 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2966-2967] [2023-11-26 12:00:40,715 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2970-2971] [2023-11-26 12:00:40,716 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2974-2975] [2023-11-26 12:00:40,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buf + i), "i" (1UL)); [5470-5471] [2023-11-26 12:00:40,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5568] [2023-11-26 12:00:40,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5571] [2023-11-26 12:00:40,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5574] [2023-11-26 12:00:40,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5577] [2023-11-26 12:00:40,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5580] [2023-11-26 12:00:40,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5591-5592] [2023-11-26 12:00:40,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5595-5596] [2023-11-26 12:00:40,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5599-5600] [2023-11-26 12:00:40,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5603-5604] [2023-11-26 12:00:40,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5607-5608] [2023-11-26 12:00:40,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5623-5624] [2023-11-26 12:00:40,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5627-5628] [2023-11-26 12:00:40,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5631-5632] [2023-11-26 12:00:40,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5635-5636] [2023-11-26 12:00:40,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5639-5640] [2023-11-26 12:00:40,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [5648-5649] [2023-11-26 12:00:40,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5662-5663] [2023-11-26 12:00:40,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5666-5667] [2023-11-26 12:00:40,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5670-5671] [2023-11-26 12:00:40,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5674-5675] [2023-11-26 12:00:40,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5678-5679] [2023-11-26 12:00:40,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((int *)arg), "i" (4UL)); [5689-5690] [2023-11-26 12:00:41,068 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_17689d8c-207f-430e-9158-96496aec5525/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2023-11-26 12:00:41,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:41,920 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:41,920 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:41,928 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:41,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41 WrapperNode [2023-11-26 12:00:41,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:41,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:41,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:41,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:41,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:42,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:42,437 INFO L138 Inliner]: procedures = 243, calls = 6571, calls flagged for inlining = 120, calls inlined = 82, statements flattened = 8083 [2023-11-26 12:00:42,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:42,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:42,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:42,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:42,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:42,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:42,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,192 INFO L175 MemorySlicer]: Split 5340 memory accesses to 32 slices as follows [7, 3, 4718, 392, 14, 2, 4, 4, 4, 21, 4, 7, 4, 14, 5, 4, 5, 4, 4, 4, 4, 5, 11, 4, 4, 30, 1, 30, 3, 10, 10, 4]. 88 percent of accesses are in the largest equivalence class. The 5147 initializations are split as follows [0, 3, 4718, 255, 14, 2, 0, 4, 4, 0, 4, 7, 4, 0, 5, 4, 5, 4, 4, 4, 4, 5, 4, 4, 2, 30, 0, 30, 3, 10, 10, 4]. The 89 writes are split as follows [5, 0, 0, 51, 0, 0, 1, 0, 0, 20, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2023-11-26 12:00:43,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:43,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:43,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:43,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:43,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (1/1) ... [2023-11-26 12:00:43,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:43,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:43,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:43,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17689d8c-207f-430e-9158-96496aec5525/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2023-11-26 12:00:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2023-11-26 12:00:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 12:00:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 12:00:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2023-11-26 12:00:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2023-11-26 12:00:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2023-11-26 12:00:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2023-11-26 12:00:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2023-11-26 12:00:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2023-11-26 12:00:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2023-11-26 12:00:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2023-11-26 12:00:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-26 12:00:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-26 12:00:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 12:00:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 12:00:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 12:00:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 12:00:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-26 12:00:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-26 12:00:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-26 12:00:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-26 12:00:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 12:00:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 12:00:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:00:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-11-26 12:00:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-11-26 12:00:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:00:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:00:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:00:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:00:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:00:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:00:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 12:00:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 12:00:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 12:00:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 12:00:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 12:00:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 12:00:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 12:00:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 12:00:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 12:00:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 12:00:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 12:00:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 12:00:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 12:00:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 12:00:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 12:00:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 12:00:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-26 12:00:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-26 12:00:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-26 12:00:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-26 12:00:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-26 12:00:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:00:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 12:00:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 12:00:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 12:00:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 12:00:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 12:00:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 12:00:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 12:00:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 12:00:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 12:00:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 12:00:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 12:00:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 12:00:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 12:00:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 12:00:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 12:00:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 12:00:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 12:00:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 12:00:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 12:00:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 12:00:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 12:00:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-26 12:00:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-26 12:00:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-26 12:00:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-26 12:00:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-26 12:00:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-26 12:00:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-26 12:00:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-26 12:00:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 12:00:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 12:00:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-26 12:00:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-26 12:00:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-26 12:00:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-26 12:00:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-26 12:00:43,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-26 12:00:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:00:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:00:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 12:00:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 12:00:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 12:00:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 12:00:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 12:00:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 12:00:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 12:00:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 12:00:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 12:00:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 12:00:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 12:00:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 12:00:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 12:00:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 12:00:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 12:00:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 12:00:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 12:00:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-26 12:00:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-26 12:00:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 12:00:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 12:00:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2023-11-26 12:00:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2023-11-26 12:00:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:00:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:00:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 12:00:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 12:00:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 12:00:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 12:00:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 12:00:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 12:00:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 12:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 12:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 12:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 12:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-26 12:00:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-26 12:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-26 12:00:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 12:00:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:00:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 12:00:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 12:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 12:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-26 12:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-26 12:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-26 12:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-26 12:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2023-11-26 12:00:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2023-11-26 12:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2023-11-26 12:00:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2023-11-26 12:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 12:00:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 12:00:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-11-26 12:00:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-11-26 12:00:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2023-11-26 12:00:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2023-11-26 12:00:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2023-11-26 12:00:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2023-11-26 12:00:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-26 12:00:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:00:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 12:00:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 12:00:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 12:00:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 12:00:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 12:00:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 12:00:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 12:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 12:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 12:00:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 12:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 12:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 12:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-11-26 12:00:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-11-26 12:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-26 12:00:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-26 12:00:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:44,393 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:44,396 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:59,891 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:01,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:01,475 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 12:01:01,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:01 BoogieIcfgContainer [2023-11-26 12:01:01,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:01,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:01:01,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:01:01,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:01:01,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:38" (1/3) ... [2023-11-26 12:01:01,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401132ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:01, skipping insertion in model container [2023-11-26 12:01:01,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:41" (2/3) ... [2023-11-26 12:01:01,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401132ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:01, skipping insertion in model container [2023-11-26 12:01:01,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:01" (3/3) ... [2023-11-26 12:01:01,492 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2023-11-26 12:01:01,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:01:01,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:01:01,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:01:01,631 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31a64220, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:01:01,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:01:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 810 states, 594 states have (on average 1.5353535353535352) internal successors, (912), 606 states have internal predecessors, (912), 180 states have call successors, (180), 34 states have call predecessors, (180), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2023-11-26 12:01:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 12:01:01,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:01,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:01,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:01,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash 155184407, now seen corresponding path program 1 times [2023-11-26 12:01:01,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:01,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708966358] [2023-11-26 12:01:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:03,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:03,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708966358] [2023-11-26 12:01:03,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708966358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:03,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:03,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:03,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978229676] [2023-11-26 12:01:03,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:03,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:03,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:03,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:03,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:03,835 INFO L87 Difference]: Start difference. First operand has 810 states, 594 states have (on average 1.5353535353535352) internal successors, (912), 606 states have internal predecessors, (912), 180 states have call successors, (180), 34 states have call predecessors, (180), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:04,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:04,681 INFO L93 Difference]: Finished difference Result 1617 states and 2605 transitions. [2023-11-26 12:01:04,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:04,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-26 12:01:04,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:04,704 INFO L225 Difference]: With dead ends: 1617 [2023-11-26 12:01:04,705 INFO L226 Difference]: Without dead ends: 806 [2023-11-26 12:01:04,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:04,722 INFO L413 NwaCegarLoop]: 1145 mSDtfsCounter, 1226 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:04,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 1145 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 12:01:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2023-11-26 12:01:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2023-11-26 12:01:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 593 states have (on average 1.4822934232715008) internal successors, (879), 602 states have internal predecessors, (879), 179 states have call successors, (179), 34 states have call predecessors, (179), 33 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-26 12:01:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1228 transitions. [2023-11-26 12:01:04,856 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1228 transitions. Word has length 7 [2023-11-26 12:01:04,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:04,856 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 1228 transitions. [2023-11-26 12:01:04,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1228 transitions. [2023-11-26 12:01:04,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 12:01:04,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:04,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:04,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:01:04,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:04,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash 515408452, now seen corresponding path program 1 times [2023-11-26 12:01:04,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:04,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103660360] [2023-11-26 12:01:04,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:06,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103660360] [2023-11-26 12:01:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103660360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:06,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:06,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:06,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400892548] [2023-11-26 12:01:06,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:06,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:06,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:06,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:06,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:06,407 INFO L87 Difference]: Start difference. First operand 806 states and 1228 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:07,047 INFO L93 Difference]: Finished difference Result 808 states and 1229 transitions. [2023-11-26 12:01:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:07,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-26 12:01:07,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:07,056 INFO L225 Difference]: With dead ends: 808 [2023-11-26 12:01:07,056 INFO L226 Difference]: Without dead ends: 805 [2023-11-26 12:01:07,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:07,059 INFO L413 NwaCegarLoop]: 1142 mSDtfsCounter, 1221 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:07,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1142 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 12:01:07,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2023-11-26 12:01:07,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2023-11-26 12:01:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 593 states have (on average 1.4806070826306914) internal successors, (878), 601 states have internal predecessors, (878), 178 states have call successors, (178), 34 states have call predecessors, (178), 33 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-26 12:01:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1226 transitions. [2023-11-26 12:01:07,133 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1226 transitions. Word has length 8 [2023-11-26 12:01:07,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:07,134 INFO L495 AbstractCegarLoop]: Abstraction has 805 states and 1226 transitions. [2023-11-26 12:01:07,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:07,134 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1226 transitions. [2023-11-26 12:01:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 12:01:07,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:07,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:07,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:01:07,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:07,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:07,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1202543174, now seen corresponding path program 1 times [2023-11-26 12:01:07,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:07,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590015278] [2023-11-26 12:01:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:07,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:08,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:08,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590015278] [2023-11-26 12:01:08,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590015278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:08,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:08,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:08,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841995814] [2023-11-26 12:01:08,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:08,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:08,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:08,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:08,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:08,726 INFO L87 Difference]: Start difference. First operand 805 states and 1226 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:09,414 INFO L93 Difference]: Finished difference Result 807 states and 1227 transitions. [2023-11-26 12:01:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:09,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-26 12:01:09,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:09,423 INFO L225 Difference]: With dead ends: 807 [2023-11-26 12:01:09,423 INFO L226 Difference]: Without dead ends: 804 [2023-11-26 12:01:09,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:09,425 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 1218 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:09,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1140 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 12:01:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2023-11-26 12:01:09,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2023-11-26 12:01:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 593 states have (on average 1.478920741989882) internal successors, (877), 600 states have internal predecessors, (877), 177 states have call successors, (177), 34 states have call predecessors, (177), 33 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-26 12:01:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1224 transitions. [2023-11-26 12:01:09,490 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1224 transitions. Word has length 9 [2023-11-26 12:01:09,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:09,490 INFO L495 AbstractCegarLoop]: Abstraction has 804 states and 1224 transitions. [2023-11-26 12:01:09,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1224 transitions. [2023-11-26 12:01:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 12:01:09,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:09,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:09,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:01:09,493 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:09,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:09,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1375536135, now seen corresponding path program 1 times [2023-11-26 12:01:09,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:09,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048172762] [2023-11-26 12:01:09,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:09,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:10,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:10,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048172762] [2023-11-26 12:01:10,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048172762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:10,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:10,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:10,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185797634] [2023-11-26 12:01:10,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:10,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:10,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:10,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:10,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:10,764 INFO L87 Difference]: Start difference. First operand 804 states and 1224 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:11,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:11,549 INFO L93 Difference]: Finished difference Result 2329 states and 3549 transitions. [2023-11-26 12:01:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-26 12:01:11,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:11,564 INFO L225 Difference]: With dead ends: 2329 [2023-11-26 12:01:11,564 INFO L226 Difference]: Without dead ends: 1526 [2023-11-26 12:01:11,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:11,569 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 1133 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:11,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 2232 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 12:01:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2023-11-26 12:01:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1521. [2023-11-26 12:01:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1141 states have (on average 1.4837861524978089) internal successors, (1693), 1153 states have internal predecessors, (1693), 316 states have call successors, (316), 66 states have call predecessors, (316), 63 states have return successors, (308), 303 states have call predecessors, (308), 308 states have call successors, (308) [2023-11-26 12:01:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2317 transitions. [2023-11-26 12:01:11,676 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2317 transitions. Word has length 10 [2023-11-26 12:01:11,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:11,676 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 2317 transitions. [2023-11-26 12:01:11,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:11,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2317 transitions. [2023-11-26 12:01:11,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 12:01:11,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:11,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:11,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:01:11,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:11,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:11,679 INFO L85 PathProgramCache]: Analyzing trace with hash -308379043, now seen corresponding path program 1 times [2023-11-26 12:01:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695431116] [2023-11-26 12:01:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:12,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:12,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695431116] [2023-11-26 12:01:12,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695431116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:12,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:12,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373884937] [2023-11-26 12:01:12,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:12,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:12,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:12,773 INFO L87 Difference]: Start difference. First operand 1521 states and 2317 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:13,438 INFO L93 Difference]: Finished difference Result 1595 states and 2398 transitions. [2023-11-26 12:01:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:13,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-26 12:01:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:13,449 INFO L225 Difference]: With dead ends: 1595 [2023-11-26 12:01:13,449 INFO L226 Difference]: Without dead ends: 1585 [2023-11-26 12:01:13,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:13,451 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 1149 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:13,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1253 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:01:13,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2023-11-26 12:01:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1583. [2023-11-26 12:01:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1180 states have (on average 1.4694915254237289) internal successors, (1734), 1190 states have internal predecessors, (1734), 326 states have call successors, (326), 79 states have call predecessors, (326), 76 states have return successors, (320), 315 states have call predecessors, (320), 320 states have call successors, (320) [2023-11-26 12:01:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2380 transitions. [2023-11-26 12:01:13,546 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2380 transitions. Word has length 11 [2023-11-26 12:01:13,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:13,546 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 2380 transitions. [2023-11-26 12:01:13,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2380 transitions. [2023-11-26 12:01:13,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 12:01:13,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:13,550 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] [2023-11-26 12:01:13,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:01:13,551 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:13,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:13,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2022482238, now seen corresponding path program 1 times [2023-11-26 12:01:13,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:13,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114129206] [2023-11-26 12:01:13,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:13,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:01:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:15,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 12:01:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:01:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:15,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:15,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114129206] [2023-11-26 12:01:15,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114129206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:15,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:15,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:01:15,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195567566] [2023-11-26 12:01:15,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:15,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:01:15,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:15,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:01:15,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:15,368 INFO L87 Difference]: Start difference. First operand 1583 states and 2380 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 12:01:18,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:18,287 INFO L93 Difference]: Finished difference Result 3168 states and 4761 transitions. [2023-11-26 12:01:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:18,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-26 12:01:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:18,302 INFO L225 Difference]: With dead ends: 3168 [2023-11-26 12:01:18,302 INFO L226 Difference]: Without dead ends: 1586 [2023-11-26 12:01:18,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:01:18,310 INFO L413 NwaCegarLoop]: 1768 mSDtfsCounter, 1119 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 3968 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:18,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 3968 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-26 12:01:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2023-11-26 12:01:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1583. [2023-11-26 12:01:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1180 states have (on average 1.4669491525423728) internal successors, (1731), 1190 states have internal predecessors, (1731), 326 states have call successors, (326), 79 states have call predecessors, (326), 76 states have return successors, (315), 315 states have call predecessors, (315), 315 states have call successors, (315) [2023-11-26 12:01:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2372 transitions. [2023-11-26 12:01:18,425 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2372 transitions. Word has length 31 [2023-11-26 12:01:18,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:18,426 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 2372 transitions. [2023-11-26 12:01:18,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 12:01:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2372 transitions. [2023-11-26 12:01:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 12:01:18,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:18,430 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] [2023-11-26 12:01:18,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:01:18,431 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:18,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash -335125334, now seen corresponding path program 1 times [2023-11-26 12:01:18,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:18,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823938262] [2023-11-26 12:01:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat