./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:01:07,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:01:07,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:01:07,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:01:07,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:01:07,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:01:07,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:01:07,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:01:07,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:01:07,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:01:07,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:01:07,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:01:07,291 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:01:07,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:01:07,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:01:07,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:01:07,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:01:07,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:01:07,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:01:07,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:01:07,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:01:07,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:01:07,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:01:07,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:01:07,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:01:07,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:07,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:01:07,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:01:07,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:01:07,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:01:07,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:01:07,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:01:07,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:01:07,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:01:07,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:01:07,302 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:01:07,303 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_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2023-11-06 23:01:07,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:01:07,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:01:07,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:01:07,678 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:01:07,679 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:01:07,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2023-11-06 23:01:10,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:01:11,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:01:11,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2023-11-06 23:01:11,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/data/0461d7fa4/1fdc7f4d361a418097717b26c9b77a29/FLAG1c343ecbb [2023-11-06 23:01:11,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/data/0461d7fa4/1fdc7f4d361a418097717b26c9b77a29 [2023-11-06 23:01:11,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:01:11,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:01:11,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:11,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:01:11,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:01:11,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:11" (1/1) ... [2023-11-06 23:01:11,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0aabd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:11, skipping insertion in model container [2023-11-06 23:01:11,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:11" (1/1) ... [2023-11-06 23:01:12,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:01:17,170 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_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2023-11-06 23:01:17,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:17,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:01:17,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3984] [2023-11-06 23:01:17,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3986] [2023-11-06 23:01:17,777 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): "er" (i): "memory"); [4034-4035] [2023-11-06 23:01:17,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4042] [2023-11-06 23:01:17,779 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [4050-4051] [2023-11-06 23:01:17,779 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"); [4062-4063] [2023-11-06 23:01:17,779 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"); [4066-4067] [2023-11-06 23:01:17,780 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"); [4070-4071] [2023-11-06 23:01:17,780 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"); [4074-4075] [2023-11-06 23:01:17,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4194] [2023-11-06 23:01:17,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4197] [2023-11-06 23:01:17,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [4199] [2023-11-06 23:01:17,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4204] [2023-11-06 23:01:17,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4207] [2023-11-06 23:01:17,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [4209] [2023-11-06 23:01:17,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4214] [2023-11-06 23:01:17,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4217] [2023-11-06 23:01:17,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [4219] [2023-11-06 23:01:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4224] [2023-11-06 23:01:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4227] [2023-11-06 23:01:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [4229] [2023-11-06 23:01:17,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4247] [2023-11-06 23:01:17,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4250] [2023-11-06 23:01:17,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4252] [2023-11-06 23:01:17,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4257] [2023-11-06 23:01:17,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4260] [2023-11-06 23:01:17,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4262] [2023-11-06 23:01:17,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4267] [2023-11-06 23:01:17,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4270] [2023-11-06 23:01:17,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4272] [2023-11-06 23:01:17,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4277] [2023-11-06 23:01:17,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4280] [2023-11-06 23:01:17,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4282] [2023-11-06 23:01:17,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4322] [2023-11-06 23:01:17,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4329] [2023-11-06 23:01:17,868 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; decl %0": "+m" (v->counter)); [6191] [2023-11-06 23:01:17,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [8392] [2023-11-06 23:01:17,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [8395] [2023-11-06 23:01:17,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [8397] [2023-11-06 23:01:17,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [8402] [2023-11-06 23:01:17,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [8405] [2023-11-06 23:01:17,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [8407] [2023-11-06 23:01:17,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [8412] [2023-11-06 23:01:17,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [8415] [2023-11-06 23:01:17,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [8417] [2023-11-06 23:01:17,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [8422] [2023-11-06 23:01:17,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [8425] [2023-11-06 23:01:17,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [8427] [2023-11-06 23:01:17,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [8445] [2023-11-06 23:01:17,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [8448] [2023-11-06 23:01:17,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [8450] [2023-11-06 23:01:17,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [8455] [2023-11-06 23:01:17,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [8458] [2023-11-06 23:01:17,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [8460] [2023-11-06 23:01:17,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [8465] [2023-11-06 23:01:17,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [8468] [2023-11-06 23:01:17,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [8470] [2023-11-06 23:01:17,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [8475] [2023-11-06 23:01:17,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [8478] [2023-11-06 23:01:17,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [8480] [2023-11-06 23:01:17,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8494] [2023-11-06 23:01:17,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8501] [2023-11-06 23:01:17,970 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [8953-8954] [2023-11-06 23:01:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [10555] [2023-11-06 23:01:18,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [10558] [2023-11-06 23:01:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [10561] [2023-11-06 23:01:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [10564] [2023-11-06 23:01:18,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [10582] [2023-11-06 23:01:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [10585] [2023-11-06 23:01:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [10588] [2023-11-06 23:01:18,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [10591] [2023-11-06 23:01:18,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (vptr), "i" (4UL)); [10909-10910] [2023-11-06 23:01:18,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (retptr): "ebx"); [11151] [2023-11-06 23:01:18,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (retptr): "ebx"); [11154] [2023-11-06 23:01:18,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (retptr): "ebx"); [11157] [2023-11-06 23:01:18,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (retptr): "ebx"); [11160] [2023-11-06 23:01:18,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (retptr): "ebx"); [11163] [2023-11-06 23:01:18,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11214] [2023-11-06 23:01:18,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11217] [2023-11-06 23:01:18,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11220] [2023-11-06 23:01:18,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11223] [2023-11-06 23:01:18,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11226] [2023-11-06 23:01:18,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11266] [2023-11-06 23:01:18,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11269] [2023-11-06 23:01:18,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11272] [2023-11-06 23:01:18,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11275] [2023-11-06 23:01:18,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11278] [2023-11-06 23:01:18,133 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" (& info->result): "ebx"); [11294-11295] [2023-11-06 23:01:18,133 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" (& info->result): "ebx"); [11298-11299] [2023-11-06 23:01:18,133 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" (& info->result): "ebx"); [11302-11303] [2023-11-06 23:01:18,134 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" (& info->result): "ebx"); [11306-11307] [2023-11-06 23:01:18,134 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" (& info->result): "ebx"); [11310-11311] [2023-11-06 23:01:18,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11355] [2023-11-06 23:01:18,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11358] [2023-11-06 23:01:18,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11361] [2023-11-06 23:01:18,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11364] [2023-11-06 23:01:18,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11367] [2023-11-06 23:01:18,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11403] [2023-11-06 23:01:18,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11406] [2023-11-06 23:01:18,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11409] [2023-11-06 23:01:18,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11412] [2023-11-06 23:01:18,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11415] [2023-11-06 23:01:18,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11451] [2023-11-06 23:01:18,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11454] [2023-11-06 23:01:18,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11457] [2023-11-06 23:01:18,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11460] [2023-11-06 23:01:18,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& info->result): "ebx"); [11463] [2023-11-06 23:01:18,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (u32ptr): "ebx"); [11567] [2023-11-06 23:01:18,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (u32ptr): "ebx"); [11570] [2023-11-06 23:01:18,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (u32ptr): "ebx"); [11573] [2023-11-06 23:01:18,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (u32ptr): "ebx"); [11576] [2023-11-06 23:01:18,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (u32ptr): "ebx"); [11579] [2023-11-06 23:01:18,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [15480] [2023-11-06 23:01:18,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [15483] [2023-11-06 23:01:18,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [15485] [2023-11-06 23:01:18,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [15490] [2023-11-06 23:01:18,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [15493] [2023-11-06 23:01:18,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [15495] [2023-11-06 23:01:18,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [15500] [2023-11-06 23:01:18,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [15503] [2023-11-06 23:01:18,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [15505] [2023-11-06 23:01:18,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [15510] [2023-11-06 23:01:18,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [15513] [2023-11-06 23:01:18,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [15515] [2023-11-06 23:01:18,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [15533] [2023-11-06 23:01:18,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [15536] [2023-11-06 23:01:18,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [15538] [2023-11-06 23:01:18,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [15543] [2023-11-06 23:01:18,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [15546] [2023-11-06 23:01:18,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [15548] [2023-11-06 23:01:18,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [15553] [2023-11-06 23:01:18,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [15556] [2023-11-06 23:01:18,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [15558] [2023-11-06 23:01:18,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [15563] [2023-11-06 23:01:18,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [15566] [2023-11-06 23:01:18,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [15568] [2023-11-06 23:01:18,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15593] [2023-11-06 23:01:18,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15600] [2023-11-06 23:01:18,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15696] [2023-11-06 23:01:18,356 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_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2023-11-06 23:01:18,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:01:18,707 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:18,707 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:01:18,715 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:01:18,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18 WrapperNode [2023-11-06 23:01:18,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:18,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:18,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:01:18,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:01:18,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:18,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,324 INFO L138 Inliner]: procedures = 713, calls = 6223, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 9222 [2023-11-06 23:01:19,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:01:19,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:01:19,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:01:19,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:01:19,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:01:19,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:01:19,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:01:19,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:01:19,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (1/1) ... [2023-11-06 23:01:19,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:19,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:19,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:01:20,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:01:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 23:01:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 23:01:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2023-11-06 23:01:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2023-11-06 23:01:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2023-11-06 23:01:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2023-11-06 23:01:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2023-11-06 23:01:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2023-11-06 23:01:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2023-11-06 23:01:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2023-11-06 23:01:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2023-11-06 23:01:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2023-11-06 23:01:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2023-11-06 23:01:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2023-11-06 23:01:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2023-11-06 23:01:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2023-11-06 23:01:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 23:01:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 23:01:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2023-11-06 23:01:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2023-11-06 23:01:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2023-11-06 23:01:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2023-11-06 23:01:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2023-11-06 23:01:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2023-11-06 23:01:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2023-11-06 23:01:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2023-11-06 23:01:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-06 23:01:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-06 23:01:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:01:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:01:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2023-11-06 23:01:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2023-11-06 23:01:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 23:01:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 23:01:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2023-11-06 23:01:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2023-11-06 23:01:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2023-11-06 23:01:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2023-11-06 23:01:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2023-11-06 23:01:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2023-11-06 23:01:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-06 23:01:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-06 23:01:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2023-11-06 23:01:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2023-11-06 23:01:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2023-11-06 23:01:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2023-11-06 23:01:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-06 23:01:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-06 23:01:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2023-11-06 23:01:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2023-11-06 23:01:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2023-11-06 23:01:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2023-11-06 23:01:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2023-11-06 23:01:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2023-11-06 23:01:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2023-11-06 23:01:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2023-11-06 23:01:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-06 23:01:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-06 23:01:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 23:01:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 23:01:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2023-11-06 23:01:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2023-11-06 23:01:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-06 23:01:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-06 23:01:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2023-11-06 23:01:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2023-11-06 23:01:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2023-11-06 23:01:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2023-11-06 23:01:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-06 23:01:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-06 23:01:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2023-11-06 23:01:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2023-11-06 23:01:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-06 23:01:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-06 23:01:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-06 23:01:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 23:01:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 23:01:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2023-11-06 23:01:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2023-11-06 23:01:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2023-11-06 23:01:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2023-11-06 23:01:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:01:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-06 23:01:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-06 23:01:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-06 23:01:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-06 23:01:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 23:01:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 23:01:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 23:01:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 23:01:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2023-11-06 23:01:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2023-11-06 23:01:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 23:01:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 23:01:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:01:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2023-11-06 23:01:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2023-11-06 23:01:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2023-11-06 23:01:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2023-11-06 23:01:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2023-11-06 23:01:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2023-11-06 23:01:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2023-11-06 23:01:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2023-11-06 23:01:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2023-11-06 23:01:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2023-11-06 23:01:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:01:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 23:01:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 23:01:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-06 23:01:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-06 23:01:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2023-11-06 23:01:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2023-11-06 23:01:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:01:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2023-11-06 23:01:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2023-11-06 23:01:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2023-11-06 23:01:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2023-11-06 23:01:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 23:01:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 23:01:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2023-11-06 23:01:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2023-11-06 23:01:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-06 23:01:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-06 23:01:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2023-11-06 23:01:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2023-11-06 23:01:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-06 23:01:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-06 23:01:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2023-11-06 23:01:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2023-11-06 23:01:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-06 23:01:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-06 23:01:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 23:01:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 23:01:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2023-11-06 23:01:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2023-11-06 23:01:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-06 23:01:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-06 23:01:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2023-11-06 23:01:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2023-11-06 23:01:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2023-11-06 23:01:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2023-11-06 23:01:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2023-11-06 23:01:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2023-11-06 23:01:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2023-11-06 23:01:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2023-11-06 23:01:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-06 23:01:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-06 23:01:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-06 23:01:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-06 23:01:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2023-11-06 23:01:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2023-11-06 23:01:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-06 23:01:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-06 23:01:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2023-11-06 23:01:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2023-11-06 23:01:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 23:01:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 23:01:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2023-11-06 23:01:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2023-11-06 23:01:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2023-11-06 23:01:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2023-11-06 23:01:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2023-11-06 23:01:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2023-11-06 23:01:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2023-11-06 23:01:20,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2023-11-06 23:01:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:01:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2023-11-06 23:01:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2023-11-06 23:01:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2023-11-06 23:01:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2023-11-06 23:01:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:01:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2023-11-06 23:01:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2023-11-06 23:01:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2023-11-06 23:01:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2023-11-06 23:01:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2023-11-06 23:01:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2023-11-06 23:01:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2023-11-06 23:01:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2023-11-06 23:01:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:01:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 23:01:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2023-11-06 23:01:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2023-11-06 23:01:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:01:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:01:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2023-11-06 23:01:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2023-11-06 23:01:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 23:01:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 23:01:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 23:01:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 23:01:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2023-11-06 23:01:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2023-11-06 23:01:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2023-11-06 23:01:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2023-11-06 23:01:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2023-11-06 23:01:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2023-11-06 23:01:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2023-11-06 23:01:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2023-11-06 23:01:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 23:01:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 23:01:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 23:01:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 23:01:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2023-11-06 23:01:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2023-11-06 23:01:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 23:01:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 23:01:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2023-11-06 23:01:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2023-11-06 23:01:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2023-11-06 23:01:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2023-11-06 23:01:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2023-11-06 23:01:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2023-11-06 23:01:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 23:01:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 23:01:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 23:01:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 23:01:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2023-11-06 23:01:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2023-11-06 23:01:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2023-11-06 23:01:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2023-11-06 23:01:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:01:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:01:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 23:01:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 23:01:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2023-11-06 23:01:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2023-11-06 23:01:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2023-11-06 23:01:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2023-11-06 23:01:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-06 23:01:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-06 23:01:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2023-11-06 23:01:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2023-11-06 23:01:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:01:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:01:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 23:01:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 23:01:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2023-11-06 23:01:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2023-11-06 23:01:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2023-11-06 23:01:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2023-11-06 23:01:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-06 23:01:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-06 23:01:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2023-11-06 23:01:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2023-11-06 23:01:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2023-11-06 23:01:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2023-11-06 23:01:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2023-11-06 23:01:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2023-11-06 23:01:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 23:01:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 23:01:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 23:01:20,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 23:01:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 23:01:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 23:01:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 23:01:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 23:01:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-06 23:01:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-06 23:01:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:01:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:01:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2023-11-06 23:01:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2023-11-06 23:01:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2023-11-06 23:01:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2023-11-06 23:01:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2023-11-06 23:01:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2023-11-06 23:01:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2023-11-06 23:01:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2023-11-06 23:01:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-06 23:01:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-06 23:01:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 23:01:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 23:01:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2023-11-06 23:01:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2023-11-06 23:01:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2023-11-06 23:01:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2023-11-06 23:01:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 23:01:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 23:01:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:01:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 23:01:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 23:01:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2023-11-06 23:01:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2023-11-06 23:01:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2023-11-06 23:01:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2023-11-06 23:01:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2023-11-06 23:01:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2023-11-06 23:01:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2023-11-06 23:01:20,090 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2023-11-06 23:01:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:01:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2023-11-06 23:01:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2023-11-06 23:01:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-06 23:01:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-06 23:01:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2023-11-06 23:01:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2023-11-06 23:01:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2023-11-06 23:01:20,091 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2023-11-06 23:01:20,091 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2023-11-06 23:01:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2023-11-06 23:01:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2023-11-06 23:01:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2023-11-06 23:01:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:01:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:01:20,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:01:20,092 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2023-11-06 23:01:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2023-11-06 23:01:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 23:01:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 23:01:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 23:01:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 23:01:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 23:01:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 23:01:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 23:01:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 23:01:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2023-11-06 23:01:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2023-11-06 23:01:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2023-11-06 23:01:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2023-11-06 23:01:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 23:01:20,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 23:01:20,094 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2023-11-06 23:01:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2023-11-06 23:01:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2023-11-06 23:01:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2023-11-06 23:01:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2023-11-06 23:01:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2023-11-06 23:01:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2023-11-06 23:01:20,095 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2023-11-06 23:01:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 23:01:20,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 23:01:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2023-11-06 23:01:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2023-11-06 23:01:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2023-11-06 23:01:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2023-11-06 23:01:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2023-11-06 23:01:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2023-11-06 23:01:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-11-06 23:01:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-11-06 23:01:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2023-11-06 23:01:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2023-11-06 23:01:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 23:01:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 23:01:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2023-11-06 23:01:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2023-11-06 23:01:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:01:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2023-11-06 23:01:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2023-11-06 23:01:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2023-11-06 23:01:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2023-11-06 23:01:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-06 23:01:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-06 23:01:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 23:01:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 23:01:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 23:01:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 23:01:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2023-11-06 23:01:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2023-11-06 23:01:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2023-11-06 23:01:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2023-11-06 23:01:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-06 23:01:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-06 23:01:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 23:01:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 23:01:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2023-11-06 23:01:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2023-11-06 23:01:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2023-11-06 23:01:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2023-11-06 23:01:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 23:01:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 23:01:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 23:01:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 23:01:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2023-11-06 23:01:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2023-11-06 23:01:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2023-11-06 23:01:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2023-11-06 23:01:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2023-11-06 23:01:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2023-11-06 23:01:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-06 23:01:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-06 23:01:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2023-11-06 23:01:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2023-11-06 23:01:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2023-11-06 23:01:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2023-11-06 23:01:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-06 23:01:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-06 23:01:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2023-11-06 23:01:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2023-11-06 23:01:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2023-11-06 23:01:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2023-11-06 23:01:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-06 23:01:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-06 23:01:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2023-11-06 23:01:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2023-11-06 23:01:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 23:01:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 23:01:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 23:01:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 23:01:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-06 23:01:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-06 23:01:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2023-11-06 23:01:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2023-11-06 23:01:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2023-11-06 23:01:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2023-11-06 23:01:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-06 23:01:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-06 23:01:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-06 23:01:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-06 23:01:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2023-11-06 23:01:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2023-11-06 23:01:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2023-11-06 23:01:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2023-11-06 23:01:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2023-11-06 23:01:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2023-11-06 23:01:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2023-11-06 23:01:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2023-11-06 23:01:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2023-11-06 23:01:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2023-11-06 23:01:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2023-11-06 23:01:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2023-11-06 23:01:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 23:01:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 23:01:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:01:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:01:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-06 23:01:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-06 23:01:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-06 23:01:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-06 23:01:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2023-11-06 23:01:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2023-11-06 23:01:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-06 23:01:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-06 23:01:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:01:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2023-11-06 23:01:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2023-11-06 23:01:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2023-11-06 23:01:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2023-11-06 23:01:21,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:01:21,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:01:21,947 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 23:01:36,679 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:01:36,715 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:01:36,715 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:01:36,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:36 BoogieIcfgContainer [2023-11-06 23:01:36,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:01:36,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:01:36,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:01:36,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:01:36,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:01:11" (1/3) ... [2023-11-06 23:01:36,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74380fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:36, skipping insertion in model container [2023-11-06 23:01:36,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:18" (2/3) ... [2023-11-06 23:01:36,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74380fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:01:36, skipping insertion in model container [2023-11-06 23:01:36,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:01:36" (3/3) ... [2023-11-06 23:01:36,735 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2023-11-06 23:01:36,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:01:36,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:01:36,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:01:36,930 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4acbd664, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:01:36,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:01:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 3518 states, 2416 states have (on average 1.3687913907284768) internal successors, (3307), 2493 states have internal predecessors, (3307), 891 states have call successors, (891), 210 states have call predecessors, (891), 209 states have return successors, (887), 881 states have call predecessors, (887), 887 states have call successors, (887) [2023-11-06 23:01:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 23:01:36,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:36,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:36,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:36,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:36,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1916005826, now seen corresponding path program 1 times [2023-11-06 23:01:36,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:36,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517093970] [2023-11-06 23:01:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:36,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:01:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:38,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:38,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517093970] [2023-11-06 23:01:38,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517093970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:38,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:38,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:38,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025103566] [2023-11-06 23:01:38,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:38,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:38,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:38,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:38,665 INFO L87 Difference]: Start difference. First operand has 3518 states, 2416 states have (on average 1.3687913907284768) internal successors, (3307), 2493 states have internal predecessors, (3307), 891 states have call successors, (891), 210 states have call predecessors, (891), 209 states have return successors, (887), 881 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:01:51,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:51,140 INFO L93 Difference]: Finished difference Result 10677 states and 15886 transitions. [2023-11-06 23:01:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:01:51,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-06 23:01:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:51,228 INFO L225 Difference]: With dead ends: 10677 [2023-11-06 23:01:51,228 INFO L226 Difference]: Without dead ends: 7151 [2023-11-06 23:01:51,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:01:51,270 INFO L413 NwaCegarLoop]: 6052 mSDtfsCounter, 5759 mSDsluCounter, 6935 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 1637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6401 SdHoareTripleChecker+Valid, 12987 SdHoareTripleChecker+Invalid, 6042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:51,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6401 Valid, 12987 Invalid, 6042 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1637 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-11-06 23:01:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2023-11-06 23:01:51,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 6891. [2023-11-06 23:01:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6891 states, 4746 states have (on average 1.365149599662874) internal successors, (6479), 4872 states have internal predecessors, (6479), 1728 states have call successors, (1728), 417 states have call predecessors, (1728), 416 states have return successors, (1713), 1701 states have call predecessors, (1713), 1713 states have call successors, (1713) [2023-11-06 23:01:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6891 states to 6891 states and 9920 transitions. [2023-11-06 23:01:52,001 INFO L78 Accepts]: Start accepts. Automaton has 6891 states and 9920 transitions. Word has length 29 [2023-11-06 23:01:52,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:52,001 INFO L495 AbstractCegarLoop]: Abstraction has 6891 states and 9920 transitions. [2023-11-06 23:01:52,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:01:52,002 INFO L276 IsEmpty]: Start isEmpty. Operand 6891 states and 9920 transitions. [2023-11-06 23:01:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 23:01:52,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:52,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:52,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:01:52,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:52,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:52,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1365571501, now seen corresponding path program 1 times [2023-11-06 23:01:52,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:52,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009104872] [2023-11-06 23:01:52,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:52,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:52,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:52,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009104872] [2023-11-06 23:01:52,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009104872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:52,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:52,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:52,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972760271] [2023-11-06 23:01:52,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:52,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:52,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:52,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:52,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:52,783 INFO L87 Difference]: Start difference. First operand 6891 states and 9920 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-11-06 23:01:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:53,166 INFO L93 Difference]: Finished difference Result 13779 states and 19839 transitions. [2023-11-06 23:01:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:53,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 30 [2023-11-06 23:01:53,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:53,236 INFO L225 Difference]: With dead ends: 13779 [2023-11-06 23:01:53,236 INFO L226 Difference]: Without dead ends: 6894 [2023-11-06 23:01:53,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:53,278 INFO L413 NwaCegarLoop]: 5047 mSDtfsCounter, 1 mSDsluCounter, 5044 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10091 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:53,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10091 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:53,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2023-11-06 23:01:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 6892. [2023-11-06 23:01:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6892 states, 4747 states have (on average 1.365072677480514) internal successors, (6480), 4873 states have internal predecessors, (6480), 1728 states have call successors, (1728), 417 states have call predecessors, (1728), 416 states have return successors, (1713), 1701 states have call predecessors, (1713), 1713 states have call successors, (1713) [2023-11-06 23:01:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 9921 transitions. [2023-11-06 23:01:53,857 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 9921 transitions. Word has length 30 [2023-11-06 23:01:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:53,858 INFO L495 AbstractCegarLoop]: Abstraction has 6892 states and 9921 transitions. [2023-11-06 23:01:53,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-11-06 23:01:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 9921 transitions. [2023-11-06 23:01:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 23:01:53,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:53,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:53,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:01:53,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:53,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:53,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1797058993, now seen corresponding path program 1 times [2023-11-06 23:01:53,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:53,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821723809] [2023-11-06 23:01:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:01:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:54,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:54,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821723809] [2023-11-06 23:01:54,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821723809] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:01:54,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784203685] [2023-11-06 23:01:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:54,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:54,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:54,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:01:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:56,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 4885 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:01:56,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:01:56,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784203685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:56,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:01:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:01:56,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591740608] [2023-11-06 23:01:56,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:56,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:56,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:56,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:56,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:01:56,890 INFO L87 Difference]: Start difference. First operand 6892 states and 9921 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:01:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:57,307 INFO L93 Difference]: Finished difference Result 6894 states and 9922 transitions. [2023-11-06 23:01:57,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:57,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-11-06 23:01:57,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:57,383 INFO L225 Difference]: With dead ends: 6894 [2023-11-06 23:01:57,383 INFO L226 Difference]: Without dead ends: 6891 [2023-11-06 23:01:57,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:01:57,398 INFO L413 NwaCegarLoop]: 5046 mSDtfsCounter, 5014 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5014 SdHoareTripleChecker+Valid, 5046 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:57,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5014 Valid, 5046 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:01:57,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2023-11-06 23:01:57,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6891. [2023-11-06 23:01:57,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6891 states, 4747 states have (on average 1.3648620181167053) internal successors, (6479), 4872 states have internal predecessors, (6479), 1727 states have call successors, (1727), 417 states have call predecessors, (1727), 416 states have return successors, (1713), 1701 states have call predecessors, (1713), 1713 states have call successors, (1713) [2023-11-06 23:01:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6891 states to 6891 states and 9919 transitions. [2023-11-06 23:01:57,993 INFO L78 Accepts]: Start accepts. Automaton has 6891 states and 9919 transitions. Word has length 36 [2023-11-06 23:01:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:57,994 INFO L495 AbstractCegarLoop]: Abstraction has 6891 states and 9919 transitions. [2023-11-06 23:01:57,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:01:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6891 states and 9919 transitions. [2023-11-06 23:01:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 23:01:57,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:57,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:01:58,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:58,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:58,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:01:58,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:58,214 INFO L85 PathProgramCache]: Analyzing trace with hash 124303488, now seen corresponding path program 1 times [2023-11-06 23:01:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:58,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796270086] [2023-11-06 23:01:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:58,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:01:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:01:58,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:58,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796270086] [2023-11-06 23:01:58,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796270086] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:01:58,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737783951] [2023-11-06 23:01:58,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:58,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:58,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:58,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:02:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:00,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 4887 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:02:00,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:02:00,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:00,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737783951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:00,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:00,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:02:00,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039455615] [2023-11-06 23:02:00,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:00,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:00,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:00,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:00,954 INFO L87 Difference]: Start difference. First operand 6891 states and 9919 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:01,293 INFO L93 Difference]: Finished difference Result 6893 states and 9920 transitions. [2023-11-06 23:02:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2023-11-06 23:02:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:01,367 INFO L225 Difference]: With dead ends: 6893 [2023-11-06 23:02:01,368 INFO L226 Difference]: Without dead ends: 6890 [2023-11-06 23:02:01,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:01,376 INFO L413 NwaCegarLoop]: 5044 mSDtfsCounter, 5011 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5011 SdHoareTripleChecker+Valid, 5044 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:01,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5011 Valid, 5044 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:01,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6890 states. [2023-11-06 23:02:01,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6890 to 6890. [2023-11-06 23:02:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6890 states, 4747 states have (on average 1.3646513587528966) internal successors, (6478), 4871 states have internal predecessors, (6478), 1726 states have call successors, (1726), 417 states have call predecessors, (1726), 416 states have return successors, (1713), 1701 states have call predecessors, (1713), 1713 states have call successors, (1713) [2023-11-06 23:02:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6890 states to 6890 states and 9917 transitions. [2023-11-06 23:02:01,847 INFO L78 Accepts]: Start accepts. Automaton has 6890 states and 9917 transitions. Word has length 37 [2023-11-06 23:02:01,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:01,847 INFO L495 AbstractCegarLoop]: Abstraction has 6890 states and 9917 transitions. [2023-11-06 23:02:01,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 6890 states and 9917 transitions. [2023-11-06 23:02:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 23:02:01,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:01,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:01,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:02,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:02,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:02,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:02,064 INFO L85 PathProgramCache]: Analyzing trace with hash -442996878, now seen corresponding path program 1 times [2023-11-06 23:02:02,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:02,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67788603] [2023-11-06 23:02:02,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:02:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:02,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:02,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67788603] [2023-11-06 23:02:02,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67788603] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:02,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414842379] [2023-11-06 23:02:02,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:02,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:02,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:02,878 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:02,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:02:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:04,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 4889 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:02:04,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:02:04,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:04,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414842379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:04,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:04,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:02:04,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115746297] [2023-11-06 23:02:04,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:04,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:04,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:04,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:04,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:04,819 INFO L87 Difference]: Start difference. First operand 6890 states and 9917 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:05,339 INFO L93 Difference]: Finished difference Result 10871 states and 15357 transitions. [2023-11-06 23:02:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:05,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-11-06 23:02:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:05,404 INFO L225 Difference]: With dead ends: 10871 [2023-11-06 23:02:05,404 INFO L226 Difference]: Without dead ends: 10867 [2023-11-06 23:02:05,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:05,413 INFO L413 NwaCegarLoop]: 5068 mSDtfsCounter, 4930 mSDsluCounter, 2845 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4930 SdHoareTripleChecker+Valid, 7913 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:05,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4930 Valid, 7913 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10867 states. [2023-11-06 23:02:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10867 to 10859. [2023-11-06 23:02:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10859 states, 7431 states have (on average 1.3488090431974162) internal successors, (10023), 7639 states have internal predecessors, (10023), 2666 states have call successors, (2666), 762 states have call predecessors, (2666), 761 states have return successors, (2655), 2631 states have call predecessors, (2655), 2655 states have call successors, (2655) [2023-11-06 23:02:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10859 states to 10859 states and 15344 transitions. [2023-11-06 23:02:06,224 INFO L78 Accepts]: Start accepts. Automaton has 10859 states and 15344 transitions. Word has length 38 [2023-11-06 23:02:06,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:06,225 INFO L495 AbstractCegarLoop]: Abstraction has 10859 states and 15344 transitions. [2023-11-06 23:02:06,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:06,225 INFO L276 IsEmpty]: Start isEmpty. Operand 10859 states and 15344 transitions. [2023-11-06 23:02:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 23:02:06,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:06,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:06,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:06,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:06,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:06,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash -849434173, now seen corresponding path program 1 times [2023-11-06 23:02:06,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:06,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694956776] [2023-11-06 23:02:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:02:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:07,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:07,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:07,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694956776] [2023-11-06 23:02:07,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694956776] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:07,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860300845] [2023-11-06 23:02:07,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:07,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:07,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:07,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:02:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:09,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 4891 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:02:09,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:02:09,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:09,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860300845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:09,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:09,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:02:09,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587664612] [2023-11-06 23:02:09,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:09,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:09,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:09,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:09,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:09,112 INFO L87 Difference]: Start difference. First operand 10859 states and 15344 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:09,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:09,936 INFO L93 Difference]: Finished difference Result 10861 states and 15345 transitions. [2023-11-06 23:02:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:09,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2023-11-06 23:02:09,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:10,006 INFO L225 Difference]: With dead ends: 10861 [2023-11-06 23:02:10,006 INFO L226 Difference]: Without dead ends: 10858 [2023-11-06 23:02:10,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:10,015 INFO L413 NwaCegarLoop]: 5038 mSDtfsCounter, 5003 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5003 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:10,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5003 Valid, 5038 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:10,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10858 states. [2023-11-06 23:02:10,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10858 to 10858. [2023-11-06 23:02:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10858 states, 7431 states have (on average 1.3486744718072938) internal successors, (10022), 7638 states have internal predecessors, (10022), 2665 states have call successors, (2665), 762 states have call predecessors, (2665), 761 states have return successors, (2655), 2631 states have call predecessors, (2655), 2655 states have call successors, (2655) [2023-11-06 23:02:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10858 states to 10858 states and 15342 transitions. [2023-11-06 23:02:10,837 INFO L78 Accepts]: Start accepts. Automaton has 10858 states and 15342 transitions. Word has length 39 [2023-11-06 23:02:10,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:10,837 INFO L495 AbstractCegarLoop]: Abstraction has 10858 states and 15342 transitions. [2023-11-06 23:02:10,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10858 states and 15342 transitions. [2023-11-06 23:02:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 23:02:10,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:10,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:10,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:11,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:02:11,058 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:11,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash -564083563, now seen corresponding path program 1 times [2023-11-06 23:02:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:11,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537748740] [2023-11-06 23:02:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:02:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:11,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:11,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537748740] [2023-11-06 23:02:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537748740] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752982712] [2023-11-06 23:02:11,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:11,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:11,809 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:11,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:02:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:13,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 4893 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:02:13,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:02:13,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752982712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:13,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:13,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:02:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348057559] [2023-11-06 23:02:13,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:13,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:13,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:13,725 INFO L87 Difference]: Start difference. First operand 10858 states and 15342 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:14,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:14,873 INFO L93 Difference]: Finished difference Result 28474 states and 40573 transitions. [2023-11-06 23:02:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:14,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2023-11-06 23:02:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:14,963 INFO L225 Difference]: With dead ends: 28474 [2023-11-06 23:02:14,964 INFO L226 Difference]: Without dead ends: 17622 [2023-11-06 23:02:15,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:15,022 INFO L413 NwaCegarLoop]: 5531 mSDtfsCounter, 4230 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4230 SdHoareTripleChecker+Valid, 8738 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:15,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4230 Valid, 8738 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:15,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17622 states. [2023-11-06 23:02:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17622 to 17580. [2023-11-06 23:02:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17580 states, 12031 states have (on average 1.3418668439863686) internal successors, (16144), 12376 states have internal predecessors, (16144), 4198 states have call successors, (4198), 1344 states have call predecessors, (4198), 1350 states have return successors, (4384), 4157 states have call predecessors, (4384), 4184 states have call successors, (4384) [2023-11-06 23:02:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17580 states to 17580 states and 24726 transitions. [2023-11-06 23:02:16,317 INFO L78 Accepts]: Start accepts. Automaton has 17580 states and 24726 transitions. Word has length 40 [2023-11-06 23:02:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:16,318 INFO L495 AbstractCegarLoop]: Abstraction has 17580 states and 24726 transitions. [2023-11-06 23:02:16,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17580 states and 24726 transitions. [2023-11-06 23:02:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 23:02:16,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:16,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:16,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:16,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:16,531 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:16,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:16,531 INFO L85 PathProgramCache]: Analyzing trace with hash -308144378, now seen corresponding path program 1 times [2023-11-06 23:02:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:16,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417695898] [2023-11-06 23:02:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:02:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:17,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:17,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417695898] [2023-11-06 23:02:17,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417695898] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:17,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588963210] [2023-11-06 23:02:17,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:17,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:17,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:17,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:02:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:19,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 4895 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:02:19,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:02:19,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:19,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588963210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:19,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:19,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:02:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533394990] [2023-11-06 23:02:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:19,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:19,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:19,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:19,335 INFO L87 Difference]: Start difference. First operand 17580 states and 24726 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:21,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:21,712 INFO L93 Difference]: Finished difference Result 52684 states and 75876 transitions. [2023-11-06 23:02:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:21,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2023-11-06 23:02:21,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:21,980 INFO L225 Difference]: With dead ends: 52684 [2023-11-06 23:02:21,980 INFO L226 Difference]: Without dead ends: 35110 [2023-11-06 23:02:22,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:22,343 INFO L413 NwaCegarLoop]: 5288 mSDtfsCounter, 5071 mSDsluCounter, 5056 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5071 SdHoareTripleChecker+Valid, 10344 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:22,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5071 Valid, 10344 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:22,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35110 states. [2023-11-06 23:02:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35110 to 35072. [2023-11-06 23:02:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35072 states, 24008 states have (on average 1.3422192602465846) internal successors, (32224), 24691 states have internal predecessors, (32224), 8371 states have call successors, (8371), 2683 states have call predecessors, (8371), 2692 states have return successors, (9644), 8293 states have call predecessors, (9644), 8356 states have call successors, (9644) [2023-11-06 23:02:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35072 states to 35072 states and 50239 transitions. [2023-11-06 23:02:25,594 INFO L78 Accepts]: Start accepts. Automaton has 35072 states and 50239 transitions. Word has length 41 [2023-11-06 23:02:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:25,595 INFO L495 AbstractCegarLoop]: Abstraction has 35072 states and 50239 transitions. [2023-11-06 23:02:25,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:25,595 INFO L276 IsEmpty]: Start isEmpty. Operand 35072 states and 50239 transitions. [2023-11-06 23:02:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 23:02:25,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:25,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:25,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:25,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 23:02:25,819 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:25,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:25,820 INFO L85 PathProgramCache]: Analyzing trace with hash -963959368, now seen corresponding path program 1 times [2023-11-06 23:02:25,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:25,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544167855] [2023-11-06 23:02:25,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:25,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:02:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:27,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:27,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544167855] [2023-11-06 23:02:27,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544167855] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:27,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878366116] [2023-11-06 23:02:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:27,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:27,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:27,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:27,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:02:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:29,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 4897 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:02:29,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:02:29,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:29,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878366116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:29,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:29,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 23:02:29,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124171918] [2023-11-06 23:02:29,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:29,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:29,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:29,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:29,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:29,369 INFO L87 Difference]: Start difference. First operand 35072 states and 50239 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:31,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:31,365 INFO L93 Difference]: Finished difference Result 35200 states and 50329 transitions. [2023-11-06 23:02:31,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:31,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2023-11-06 23:02:31,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:31,628 INFO L225 Difference]: With dead ends: 35200 [2023-11-06 23:02:31,629 INFO L226 Difference]: Without dead ends: 35166 [2023-11-06 23:02:31,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:31,659 INFO L413 NwaCegarLoop]: 5032 mSDtfsCounter, 4944 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4944 SdHoareTripleChecker+Valid, 5086 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:31,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4944 Valid, 5086 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:02:31,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35166 states. [2023-11-06 23:02:34,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35166 to 35164. [2023-11-06 23:02:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35164 states, 24074 states have (on average 1.3403672011298495) internal successors, (32268), 24755 states have internal predecessors, (32268), 8362 states have call successors, (8362), 2718 states have call predecessors, (8362), 2727 states have return successors, (9636), 8285 states have call predecessors, (9636), 8348 states have call successors, (9636) [2023-11-06 23:02:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35164 states to 35164 states and 50266 transitions. [2023-11-06 23:02:35,304 INFO L78 Accepts]: Start accepts. Automaton has 35164 states and 50266 transitions. Word has length 42 [2023-11-06 23:02:35,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:35,304 INFO L495 AbstractCegarLoop]: Abstraction has 35164 states and 50266 transitions. [2023-11-06 23:02:35,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:02:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 35164 states and 50266 transitions. [2023-11-06 23:02:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-06 23:02:35,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:35,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:35,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:35,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe031de0-8d02-48c2-a0b7-9acb3ff7ff35/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:35,515 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:35,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:35,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1838419860, now seen corresponding path program 1 times [2023-11-06 23:02:35,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:35,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294127311] [2023-11-06 23:02:35,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:35,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:02:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:02:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 23:02:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 23:02:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 23:02:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:02:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:36,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:36,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294127311] [2023-11-06 23:02:36,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294127311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:36,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:36,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:02:36,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607455956] [2023-11-06 23:02:36,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:36,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:02:36,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:36,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:02:36,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:36,179 INFO L87 Difference]: Start difference. First operand 35164 states and 50266 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:03:05,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:07,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:10,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:12,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:22,751 INFO L93 Difference]: Finished difference Result 118226 states and 173452 transitions. [2023-11-06 23:03:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:03:22,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2023-11-06 23:03:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:23,734 INFO L225 Difference]: With dead ends: 118226 [2023-11-06 23:03:23,734 INFO L226 Difference]: Without dead ends: 83068 [2023-11-06 23:03:23,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:03:23,933 INFO L413 NwaCegarLoop]: 2707 mSDtfsCounter, 14334 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 8398 mSolverCounterSat, 9292 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15132 SdHoareTripleChecker+Valid, 7739 SdHoareTripleChecker+Invalid, 17694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9292 IncrementalHoareTripleChecker+Valid, 8398 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:23,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15132 Valid, 7739 Invalid, 17694 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9292 Valid, 8398 Invalid, 4 Unknown, 0 Unchecked, 39.2s Time] [2023-11-06 23:03:24,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83068 states. [2023-11-06 23:03:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83068 to 75677. [2023-11-06 23:03:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75677 states, 51699 states have (on average 1.3350354939167102) internal successors, (69020), 53017 states have internal predecessors, (69020), 18083 states have call successors, (18083), 5433 states have call predecessors, (18083), 5894 states have return successors, (22092), 18480 states have call predecessors, (22092), 18068 states have call successors, (22092) [2023-11-06 23:03:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75677 states to 75677 states and 109195 transitions. [2023-11-06 23:03:32,274 INFO L78 Accepts]: Start accepts. Automaton has 75677 states and 109195 transitions. Word has length 70 [2023-11-06 23:03:32,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:32,275 INFO L495 AbstractCegarLoop]: Abstraction has 75677 states and 109195 transitions. [2023-11-06 23:03:32,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 23:03:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 75677 states and 109195 transitions. [2023-11-06 23:03:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 23:03:32,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:32,288 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:32,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 23:03:32,288 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:32,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1297478328, now seen corresponding path program 1 times [2023-11-06 23:03:32,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:32,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840378511] [2023-11-06 23:03:32,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:32,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 23:03:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 23:03:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 23:03:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 23:03:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 23:03:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 23:03:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 23:03:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 23:03:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-06 23:03:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 23:03:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-06 23:03:33,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:33,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840378511] [2023-11-06 23:03:33,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840378511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:33,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:33,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:03:33,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578290903] [2023-11-06 23:03:33,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:33,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:03:33,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:33,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:03:33,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:03:33,664 INFO L87 Difference]: Start difference. First operand 75677 states and 109195 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 23:03:43,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:45,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:52,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:02,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:11,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:13,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:21,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:22,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:24,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []