/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -ea -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BIN-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 13:25:18,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 13:25:18,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-07 13:25:18,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 13:25:18,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 13:25:18,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 13:25:18,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 13:25:18,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 13:25:18,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 13:25:18,743 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 13:25:18,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 13:25:18,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 13:25:18,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 13:25:18,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 13:25:18,745 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 13:25:18,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 13:25:18,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 13:25:18,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 13:25:18,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 13:25:18,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 13:25:18,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 13:25:18,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 13:25:18,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 13:25:18,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 13:25:18,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 13:25:18,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 13:25:18,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 13:25:18,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 13:25:18,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 13:25:18,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 13:25:18,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 13:25:18,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 13:25:18,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 13:25:18,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 13:25:18,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 13:25:18,784 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 13:25:18,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 13:25:18,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 13:25:18,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 13:25:18,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 13:25:18,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 13:25:18,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 13:25:18,797 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 13:25:18,797 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 13:25:19,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 13:25:19,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 13:25:19,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 13:25:19,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 13:25:19,154 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 13:25:19,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2023-12-07 13:25:21,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 13:25:22,750 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 13:25:22,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i [2023-12-07 13:25:22,856 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ada4475/5899ff2bdb984d76b8fd8aa7ebb3e11f/FLAG0631e01ee [2023-12-07 13:25:22,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ada4475/5899ff2bdb984d76b8fd8aa7ebb3e11f [2023-12-07 13:25:22,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 13:25:22,875 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 13:25:22,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 13:25:22,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 13:25:22,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 13:25:22,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:22" (1/1) ... [2023-12-07 13:25:22,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12dc69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:22, skipping insertion in model container [2023-12-07 13:25:22,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:22" (1/1) ... [2023-12-07 13:25:23,271 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 13:25:25,727 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i[269371,269384] [2023-12-07 13:25:25,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 13:25:25,848 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-07 13:25:25,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 13:25:26,756 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i[269371,269384] [2023-12-07 13:25:26,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 13:25:26,837 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 13:25:27,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3897] [2023-12-07 13:25:27,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3905-3906] [2023-12-07 13:25:27,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3922] [2023-12-07 13:25:27,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3925] [2023-12-07 13:25:27,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3928] [2023-12-07 13:25:27,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3931] [2023-12-07 13:25:27,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [3973-3974] [2023-12-07 13:25:27,116 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"); [3985-3986] [2023-12-07 13:25:27,116 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"); [3989-3990] [2023-12-07 13:25:27,116 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"); [3993-3994] [2023-12-07 13:25:27,117 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"); [3997-3998] [2023-12-07 13:25:27,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [4065] [2023-12-07 13:25:27,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4068] [2023-12-07 13:25:27,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4071] [2023-12-07 13:25:27,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4074] [2023-12-07 13:25:27,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4424] [2023-12-07 13:25:27,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4427] [2023-12-07 13:25:27,780 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--st.ko-ldv_main0.cil.out.i[269371,269384] [2023-12-07 13:25:27,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 13:25:27,925 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: sprintf [2023-12-07 13:25:27,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b79e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:27, skipping insertion in model container [2023-12-07 13:25:27,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 13:25:27,926 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-07 13:25:27,929 INFO L158 Benchmark]: Toolchain (without parser) took 5054.05ms. Allocated memory was 60.9MB in the beginning and 126.5MB in the end (delta: 65.6MB). Free memory was 27.0MB in the beginning and 50.9MB in the end (delta: -23.9MB). Peak memory consumption was 75.8MB. Max. memory is 3.9GB. [2023-12-07 13:25:27,930 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 60.9MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 84.2kB). Peak memory consumption was 84.2kB. Max. memory is 3.9GB. [2023-12-07 13:25:27,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5048.00ms. Allocated memory was 60.9MB in the beginning and 126.5MB in the end (delta: 65.6MB). Free memory was 26.8MB in the beginning and 50.9MB in the end (delta: -24.1MB). Peak memory consumption was 75.6MB. Max. memory is 3.9GB. [2023-12-07 13:25:27,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 60.9MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 84.2kB). Peak memory consumption was 84.2kB. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 5048.00ms. Allocated memory was 60.9MB in the beginning and 126.5MB in the end (delta: 65.6MB). Free memory was 26.8MB in the beginning and 50.9MB in the end (delta: -24.1MB). Peak memory consumption was 75.6MB. Max. memory is 3.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3897]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3897] - GenericResultAtLocation [Line: 3905]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3905-3906] - GenericResultAtLocation [Line: 3922]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3922] - GenericResultAtLocation [Line: 3925]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3925] - GenericResultAtLocation [Line: 3928]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3928] - GenericResultAtLocation [Line: 3931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3931] - GenericResultAtLocation [Line: 3973]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [3973-3974] - GenericResultAtLocation [Line: 3985]: 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"); [3985-3986] - GenericResultAtLocation [Line: 3989]: 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"); [3989-3990] - GenericResultAtLocation [Line: 3993]: 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"); [3993-3994] - GenericResultAtLocation [Line: 3997]: 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"); [3997-3998] - GenericResultAtLocation [Line: 4065]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [4065] - GenericResultAtLocation [Line: 4068]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4068] - GenericResultAtLocation [Line: 4071]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4071] - GenericResultAtLocation [Line: 4074]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4074] - GenericResultAtLocation [Line: 4424]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4424] - GenericResultAtLocation [Line: 4427]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4427] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...