/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 10:58:24,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 10:58:24,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 10:58:24,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 10:58:24,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 10:58:24,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 10:58:24,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 10:58:24,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 10:58:24,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 10:58:24,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 10:58:24,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 10:58:24,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 10:58:24,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 10:58:24,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 10:58:24,883 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 10:58:24,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 10:58:24,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 10:58:24,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 10:58:24,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 10:58:24,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 10:58:24,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 10:58:24,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 10:58:24,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 10:58:24,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 10:58:24,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 10:58:24,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 10:58:24,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 10:58:24,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 10:58:24,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 10:58:24,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 10:58:24,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 10:58:24,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 10:58:24,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 10:58:24,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 10:58:24,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 10:58:24,888 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 10:58:24,888 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 10:58:24,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 10:58:24,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 10:58:24,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 10:58:24,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 10:58:24,889 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 10:58:24,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:25,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 10:58:25,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 10:58:25,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 10:58:25,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 10:58:25,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 10:58:25,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i [2024-11-01 10:58:26,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 10:58:26,615 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 10:58:26,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i [2024-11-01 10:58:26,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a738537/53ffbcf6272b436aaaba5860c7de0260/FLAGe2e83ba2f [2024-11-01 10:58:26,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a738537/53ffbcf6272b436aaaba5860c7de0260 [2024-11-01 10:58:26,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 10:58:26,903 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 10:58:26,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 10:58:26,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 10:58:26,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 10:58:26,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 10:58:26" (1/1) ... [2024-11-01 10:58:26,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b70826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:26, skipping insertion in model container [2024-11-01 10:58:26,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 10:58:26" (1/1) ... [2024-11-01 10:58:26,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 10:58:27,254 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1764] [2024-11-01 10:58:27,255 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1765-1766] [2024-11-01 10:58:27,333 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i[52456,52469] [2024-11-01 10:58:27,380 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,407 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,410 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,419 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,435 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,437 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,439 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,449 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,449 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,449 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,479 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 10:58:27,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 10:58:27,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 10:58:27,559 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1764] [2024-11-01 10:58:27,559 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1765-1766] [2024-11-01 10:58:27,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [1855] [2024-11-01 10:58:27,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [1858] [2024-11-01 10:58:27,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [1861] [2024-11-01 10:58:27,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [1864] [2024-11-01 10:58:27,567 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)); [1902] [2024-11-01 10:58:27,571 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i[52456,52469] [2024-11-01 10:58:27,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 10:58:27,657 WARN L709 CHandler]: The following functions are not defined or handled internally: __bad_percpu_size [2024-11-01 10:58:27,664 INFO L204 MainTranslator]: Completed translation [2024-11-01 10:58:27,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27 WrapperNode [2024-11-01 10:58:27,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 10:58:27,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 10:58:27,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 10:58:27,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 10:58:27,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,762 INFO L138 Inliner]: procedures = 120, calls = 293, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 916 [2024-11-01 10:58:27,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 10:58:27,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 10:58:27,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 10:58:27,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 10:58:27,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,819 INFO L175 MemorySlicer]: Split 79 memory accesses to 14 slices as follows [2, 0, 10, 4, 1, 1, 24, 4, 1, 12, 12, 2, 1, 5]. 30 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 10, 4, 1, 1, 18, 4, 1, 12, 1, 1, 0, 0]. The 9 writes are split as follows [0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 4, 0, 1, 3]. [2024-11-01 10:58:27,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 10:58:27,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 10:58:27,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 10:58:27,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 10:58:27,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (1/1) ... [2024-11-01 10:58:27,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 10:58:27,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 10:58:27,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 10:58:27,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 10:58:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2024-11-01 10:58:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 10:58:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 10:58:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-01 10:58:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_lock [2024-11-01 10:58:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_lock [2024-11-01 10:58:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 10:58:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 10:58:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2024-11-01 10:58:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2024-11-01 10:58:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-01 10:58:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-01 10:58:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 10:58:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 10:58:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2024-11-01 10:58:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2024-11-01 10:58:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2024-11-01 10:58:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2024-11-01 10:58:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-01 10:58:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-01 10:58:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 10:58:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 10:58:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2024-11-01 10:58:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2024-11-01 10:58:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 10:58:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 10:58:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2024-11-01 10:58:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2024-11-01 10:58:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2024-11-01 10:58:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2024-11-01 10:58:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2024-11-01 10:58:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 10:58:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-11-01 10:58:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-01 10:58:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 10:58:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 10:58:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 10:58:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 10:58:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 10:58:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 10:58:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2024-11-01 10:58:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 10:58:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 10:58:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 10:58:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-01 10:58:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-01 10:58:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-01 10:58:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-01 10:58:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-01 10:58:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2024-11-01 10:58:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 10:58:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 10:58:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 10:58:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 10:58:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-01 10:58:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-01 10:58:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-01 10:58:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-01 10:58:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 10:58:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-01 10:58:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_delay [2024-11-01 10:58:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_delay [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 10:58:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 10:58:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-01 10:58:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-01 10:58:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#12 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#13 [2024-11-01 10:58:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-01 10:58:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-01 10:58:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_unlock [2024-11-01 10:58:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_unlock [2024-11-01 10:58:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2024-11-01 10:58:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2024-11-01 10:58:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 10:58:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 10:58:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2024-11-01 10:58:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2024-11-01 10:58:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 10:58:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 10:58:28,215 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 10:58:28,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 10:58:28,247 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 10:58:30,228 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2024-11-01 10:58:30,229 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 10:58:30,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 10:58:30,247 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-01 10:58:30,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 10:58:30 BoogieIcfgContainer [2024-11-01 10:58:30,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 10:58:30,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 10:58:30,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 10:58:30,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 10:58:30,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 10:58:26" (1/3) ... [2024-11-01 10:58:30,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c44bf39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 10:58:30, skipping insertion in model container [2024-11-01 10:58:30,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:58:27" (2/3) ... [2024-11-01 10:58:30,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c44bf39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 10:58:30, skipping insertion in model container [2024-11-01 10:58:30,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 10:58:30" (3/3) ... [2024-11-01 10:58:30,256 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i [2024-11-01 10:58:30,268 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 10:58:30,268 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 10:58:30,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 10:58:30,327 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55a0e5e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 10:58:30,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 10:58:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 276 states have (on average 1.3840579710144927) internal successors, (382), 289 states have internal predecessors, (382), 70 states have call successors, (70), 28 states have call predecessors, (70), 27 states have return successors, (65), 62 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-01 10:58:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-01 10:58:30,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:30,343 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:30,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:30,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:30,349 INFO L85 PathProgramCache]: Analyzing trace with hash -509314859, now seen corresponding path program 1 times [2024-11-01 10:58:30,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:30,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427948862] [2024-11-01 10:58:30,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:30,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:30,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:30,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:30,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 10:58:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:30,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 10:58:30,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:30,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:30,972 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:30,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427948862] [2024-11-01 10:58:30,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [427948862] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 10:58:30,973 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 10:58:30,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 10:58:30,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121418796] [2024-11-01 10:58:30,975 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 10:58:30,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 10:58:30,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:30,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 10:58:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:31,005 INFO L87 Difference]: Start difference. First operand has 375 states, 276 states have (on average 1.3840579710144927) internal successors, (382), 289 states have internal predecessors, (382), 70 states have call successors, (70), 28 states have call predecessors, (70), 27 states have return successors, (65), 62 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-01 10:58:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 10:58:31,126 INFO L93 Difference]: Finished difference Result 1068 states and 1523 transitions. [2024-11-01 10:58:31,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 10:58:31,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 47 [2024-11-01 10:58:31,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 10:58:31,147 INFO L225 Difference]: With dead ends: 1068 [2024-11-01 10:58:31,147 INFO L226 Difference]: Without dead ends: 671 [2024-11-01 10:58:31,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:31,159 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 462 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 987 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 [2024-11-01 10:58:31,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 987 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 10:58:31,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-01 10:58:31,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 653. [2024-11-01 10:58:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 495 states have (on average 1.38989898989899) internal successors, (688), 506 states have internal predecessors, (688), 112 states have call successors, (112), 46 states have call predecessors, (112), 45 states have return successors, (111), 106 states have call predecessors, (111), 110 states have call successors, (111) [2024-11-01 10:58:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 911 transitions. [2024-11-01 10:58:31,261 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 911 transitions. Word has length 47 [2024-11-01 10:58:31,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 10:58:31,262 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 911 transitions. [2024-11-01 10:58:31,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-01 10:58:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 911 transitions. [2024-11-01 10:58:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-01 10:58:31,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:31,270 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:31,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 10:58:31,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:31,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:31,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:31,472 INFO L85 PathProgramCache]: Analyzing trace with hash 818756459, now seen corresponding path program 1 times [2024-11-01 10:58:31,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:31,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184524860] [2024-11-01 10:58:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:31,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:31,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:31,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 10:58:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:31,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 10:58:31,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:31,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:31,794 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:31,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184524860] [2024-11-01 10:58:31,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1184524860] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 10:58:31,795 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 10:58:31,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 10:58:31,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533468614] [2024-11-01 10:58:31,795 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 10:58:31,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 10:58:31,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:31,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 10:58:31,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:31,797 INFO L87 Difference]: Start difference. First operand 653 states and 911 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-01 10:58:31,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 10:58:31,923 INFO L93 Difference]: Finished difference Result 1876 states and 2611 transitions. [2024-11-01 10:58:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 10:58:31,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62 [2024-11-01 10:58:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 10:58:31,934 INFO L225 Difference]: With dead ends: 1876 [2024-11-01 10:58:31,934 INFO L226 Difference]: Without dead ends: 1239 [2024-11-01 10:58:31,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:31,937 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 441 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 10:58:31,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 972 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 10:58:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2024-11-01 10:58:32,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1236. [2024-11-01 10:58:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 936 states have (on average 1.3835470085470085) internal successors, (1295), 958 states have internal predecessors, (1295), 211 states have call successors, (211), 89 states have call predecessors, (211), 88 states have return successors, (210), 200 states have call predecessors, (210), 208 states have call successors, (210) [2024-11-01 10:58:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1716 transitions. [2024-11-01 10:58:32,025 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1716 transitions. Word has length 62 [2024-11-01 10:58:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 10:58:32,025 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1716 transitions. [2024-11-01 10:58:32,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-01 10:58:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1716 transitions. [2024-11-01 10:58:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-01 10:58:32,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:32,032 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:32,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-01 10:58:32,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:32,238 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:32,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:32,239 INFO L85 PathProgramCache]: Analyzing trace with hash -761754347, now seen corresponding path program 1 times [2024-11-01 10:58:32,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:32,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011423670] [2024-11-01 10:58:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:32,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:32,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:32,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:32,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 10:58:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:32,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 10:58:32,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:32,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:32,529 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:32,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011423670] [2024-11-01 10:58:32,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2011423670] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 10:58:32,529 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 10:58:32,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 10:58:32,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681229898] [2024-11-01 10:58:32,530 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 10:58:32,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 10:58:32,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:32,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 10:58:32,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:32,532 INFO L87 Difference]: Start difference. First operand 1236 states and 1716 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-01 10:58:32,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 10:58:32,683 INFO L93 Difference]: Finished difference Result 3539 states and 4900 transitions. [2024-11-01 10:58:32,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 10:58:32,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2024-11-01 10:58:32,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 10:58:32,693 INFO L225 Difference]: With dead ends: 3539 [2024-11-01 10:58:32,693 INFO L226 Difference]: Without dead ends: 2319 [2024-11-01 10:58:32,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:32,697 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 435 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 10:58:32,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1029 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 10:58:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-11-01 10:58:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2316. [2024-11-01 10:58:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 1750 states have (on average 1.3765714285714286) internal successors, (2409), 1792 states have internal predecessors, (2409), 395 states have call successors, (395), 171 states have call predecessors, (395), 170 states have return successors, (394), 374 states have call predecessors, (394), 390 states have call successors, (394) [2024-11-01 10:58:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3198 transitions. [2024-11-01 10:58:32,798 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3198 transitions. Word has length 68 [2024-11-01 10:58:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 10:58:32,798 INFO L471 AbstractCegarLoop]: Abstraction has 2316 states and 3198 transitions. [2024-11-01 10:58:32,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-01 10:58:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3198 transitions. [2024-11-01 10:58:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-01 10:58:32,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:32,802 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:32,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 10:58:33,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:33,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:33,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:33,004 INFO L85 PathProgramCache]: Analyzing trace with hash 781084571, now seen corresponding path program 1 times [2024-11-01 10:58:33,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:33,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227186955] [2024-11-01 10:58:33,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:33,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:33,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:33,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:33,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 10:58:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:33,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 10:58:33,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 10:58:33,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 10:58:33,276 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:33,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227186955] [2024-11-01 10:58:33,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [227186955] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 10:58:33,276 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 10:58:33,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 10:58:33,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500065369] [2024-11-01 10:58:33,276 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 10:58:33,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 10:58:33,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:33,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 10:58:33,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:33,277 INFO L87 Difference]: Start difference. First operand 2316 states and 3198 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-01 10:58:33,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 10:58:33,366 INFO L93 Difference]: Finished difference Result 4624 states and 6392 transitions. [2024-11-01 10:58:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 10:58:33,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-11-01 10:58:33,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 10:58:33,376 INFO L225 Difference]: With dead ends: 4624 [2024-11-01 10:58:33,376 INFO L226 Difference]: Without dead ends: 2324 [2024-11-01 10:58:33,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 10:58:33,381 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 0 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 983 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 [2024-11-01 10:58:33,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 983 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 10:58:33,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2024-11-01 10:58:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2324. [2024-11-01 10:58:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 1758 states have (on average 1.3748577929465302) internal successors, (2417), 1800 states have internal predecessors, (2417), 395 states have call successors, (395), 171 states have call predecessors, (395), 170 states have return successors, (394), 374 states have call predecessors, (394), 390 states have call successors, (394) [2024-11-01 10:58:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3206 transitions. [2024-11-01 10:58:33,478 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3206 transitions. Word has length 75 [2024-11-01 10:58:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 10:58:33,478 INFO L471 AbstractCegarLoop]: Abstraction has 2324 states and 3206 transitions. [2024-11-01 10:58:33,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-01 10:58:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3206 transitions. [2024-11-01 10:58:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-01 10:58:33,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:33,482 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:33,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-01 10:58:33,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:33,686 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:33,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:33,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1585610023, now seen corresponding path program 1 times [2024-11-01 10:58:33,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:33,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012946389] [2024-11-01 10:58:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:33,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:33,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:33,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:33,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-01 10:58:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:33,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-01 10:58:33,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:34,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-11-01 10:58:36,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-01 10:58:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:36,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:36,336 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:36,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012946389] [2024-11-01 10:58:36,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1012946389] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 10:58:36,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 10:58:36,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-01 10:58:36,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290192584] [2024-11-01 10:58:36,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 10:58:36,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 10:58:36,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:36,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 10:58:36,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-01 10:58:36,338 INFO L87 Difference]: Start difference. First operand 2324 states and 3206 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 10:58:36,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 10:58:36,509 INFO L93 Difference]: Finished difference Result 5804 states and 8027 transitions. [2024-11-01 10:58:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 10:58:36,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2024-11-01 10:58:36,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 10:58:36,524 INFO L225 Difference]: With dead ends: 5804 [2024-11-01 10:58:36,524 INFO L226 Difference]: Without dead ends: 3496 [2024-11-01 10:58:36,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-01 10:58:36,531 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 465 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 10:58:36,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 930 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 10:58:36,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2024-11-01 10:58:36,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3493. [2024-11-01 10:58:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3493 states, 2653 states have (on average 1.3773087071240107) internal successors, (3654), 2717 states have internal predecessors, (3654), 585 states have call successors, (585), 255 states have call predecessors, (585), 254 states have return successors, (584), 554 states have call predecessors, (584), 578 states have call successors, (584) [2024-11-01 10:58:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3493 states and 4823 transitions. [2024-11-01 10:58:36,677 INFO L78 Accepts]: Start accepts. Automaton has 3493 states and 4823 transitions. Word has length 75 [2024-11-01 10:58:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 10:58:36,677 INFO L471 AbstractCegarLoop]: Abstraction has 3493 states and 4823 transitions. [2024-11-01 10:58:36,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 10:58:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 4823 transitions. [2024-11-01 10:58:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-01 10:58:36,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:36,683 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:36,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-01 10:58:36,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:36,886 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:36,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:36,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1801123325, now seen corresponding path program 1 times [2024-11-01 10:58:36,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:36,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1032656631] [2024-11-01 10:58:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:36,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:36,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:36,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:36,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-01 10:58:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:37,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-01 10:58:37,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:37,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-11-01 10:58:38,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-01 10:58:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:38,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:39,121 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:39,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1032656631] [2024-11-01 10:58:39,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1032656631] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 10:58:39,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 10:58:39,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-01 10:58:39,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226006880] [2024-11-01 10:58:39,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 10:58:39,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 10:58:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 10:58:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-01 10:58:39,123 INFO L87 Difference]: Start difference. First operand 3493 states and 4823 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 10:58:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 10:58:39,334 INFO L93 Difference]: Finished difference Result 8723 states and 12076 transitions. [2024-11-01 10:58:39,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 10:58:39,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2024-11-01 10:58:39,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 10:58:39,353 INFO L225 Difference]: With dead ends: 8723 [2024-11-01 10:58:39,353 INFO L226 Difference]: Without dead ends: 5246 [2024-11-01 10:58:39,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-01 10:58:39,360 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 459 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 10:58:39,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 930 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 10:58:39,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2024-11-01 10:58:39,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5243. [2024-11-01 10:58:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 3997 states have (on average 1.3800350262697023) internal successors, (5516), 4094 states have internal predecessors, (5516), 866 states have call successors, (866), 380 states have call predecessors, (866), 379 states have return successors, (865), 820 states have call predecessors, (865), 856 states have call successors, (865) [2024-11-01 10:58:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7247 transitions. [2024-11-01 10:58:39,519 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7247 transitions. Word has length 81 [2024-11-01 10:58:39,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 10:58:39,519 INFO L471 AbstractCegarLoop]: Abstraction has 5243 states and 7247 transitions. [2024-11-01 10:58:39,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 10:58:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7247 transitions. [2024-11-01 10:58:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-01 10:58:39,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 10:58:39,526 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 10:58:39,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-01 10:58:39,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:39,727 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 10:58:39,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 10:58:39,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1660840913, now seen corresponding path program 1 times [2024-11-01 10:58:39,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 10:58:39,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292532945] [2024-11-01 10:58:39,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 10:58:39,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 10:58:39,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 10:58:39,729 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 10:58:39,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-01 10:58:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 10:58:39,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 180 conjuncts are in the unsatisfiable core [2024-11-01 10:58:39,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 10:58:44,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-01 10:58:45,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-11-01 10:58:49,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2024-11-01 10:58:49,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2024-11-01 10:58:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 10:58:49,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 10:58:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-01 10:58:50,838 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 10:58:50,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292532945] [2024-11-01 10:58:50,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [292532945] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 10:58:50,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 10:58:50,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 21 [2024-11-01 10:58:50,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124431365] [2024-11-01 10:58:50,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 10:58:50,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-01 10:58:50,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 10:58:50,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-01 10:58:50,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=330, Unknown=1, NotChecked=0, Total=420 [2024-11-01 10:58:50,840 INFO L87 Difference]: Start difference. First operand 5243 states and 7247 transitions. Second operand has 21 states, 21 states have (on average 5.285714285714286) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-01 10:59:06,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:10,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:15,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:22,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:27,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:31,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:36,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:44,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:49,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 10:59:53,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 11:00:01,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 11:00:06,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-01 11:00:10,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]