/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-b75d321-m [2024-11-05 00:10:37,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 00:10:37,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 00:10:37,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 00:10:37,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 00:10:37,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 00:10:37,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 00:10:37,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 00:10:37,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 00:10:37,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 00:10:37,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 00:10:37,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 00:10:37,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 00:10:37,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 00:10:37,648 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 00:10:37,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 00:10:37,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 00:10:37,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 00:10:37,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 00:10:37,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 00:10:37,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 00:10:37,656 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 00:10:37,657 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 00:10:37,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 00:10:37,657 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 00:10:37,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 00:10:37,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 00:10:37,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 00:10:37,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 00:10:37,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 00:10:37,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 00:10:37,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 00:10:37,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 00:10:37,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 00:10:37,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 00:10:37,661 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 00:10:37,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 00:10:37,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 00:10:37,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 00:10:37,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 00:10:37,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 00:10:37,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:37,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 00:10:38,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 00:10:38,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 00:10:38,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 00:10:38,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 00:10:38,032 INFO L431 ainManager$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 [2024-11-05 00:10:39,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 00:10:40,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 00:10:40,097 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 [2024-11-05 00:10:40,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fe277b1/ced633ecd22145a9b0bbc06bfb85fc1f/FLAG7bc54daea [2024-11-05 00:10:40,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7fe277b1/ced633ecd22145a9b0bbc06bfb85fc1f [2024-11-05 00:10:40,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 00:10:40,343 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 00:10:40,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 00:10:40,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 00:10:40,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 00:10:40,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:10:40" (1/1) ... [2024-11-05 00:10:40,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f80129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:40, skipping insertion in model container [2024-11-05 00:10:40,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:10:40" (1/1) ... [2024-11-05 00:10:40,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 00:10:40,886 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1764] [2024-11-05 00:10:40,887 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1765-1766] [2024-11-05 00:10:41,087 WARN L250 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] [2024-11-05 00:10:41,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,232 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,245 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,259 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,265 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,277 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,278 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,278 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 00:10:41,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 00:10:41,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 00:10:41,605 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1764] [2024-11-05 00:10:41,613 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1765-1766] [2024-11-05 00:10:41,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [1855] [2024-11-05 00:10:41,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [1858] [2024-11-05 00:10:41,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [1861] [2024-11-05 00:10:41,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [1864] [2024-11-05 00:10:41,625 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] [2024-11-05 00:10:41,639 WARN L250 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] [2024-11-05 00:10:41,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 00:10:41,801 INFO L204 MainTranslator]: Completed translation [2024-11-05 00:10:41,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41 WrapperNode [2024-11-05 00:10:41,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 00:10:41,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 00:10:41,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 00:10:41,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 00:10:41,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:41,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:41,926 INFO L138 Inliner]: procedures = 120, calls = 293, calls flagged for inlining = 50, calls inlined = 38, statements flattened = 916 [2024-11-05 00:10:41,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 00:10:41,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 00:10:41,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 00:10:41,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 00:10:41,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:41,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:41,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,041 INFO L175 MemorySlicer]: Split 79 memory accesses to 14 slices as follows [2, 10, 2, 4, 0, 1, 1, 24, 4, 1, 12, 1, 12, 5]. 30 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 10, 1, 4, 0, 1, 1, 18, 4, 1, 12, 0, 1, 0]. The 9 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 4, 3]. [2024-11-05 00:10:42,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 00:10:42,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 00:10:42,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 00:10:42,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 00:10:42,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (1/1) ... [2024-11-05 00:10:42,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 00:10:42,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 00:10:42,201 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) [2024-11-05 00:10:42,205 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 [2024-11-05 00:10:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2024-11-05 00:10:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2024-11-05 00:10:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 00:10:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 00:10:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 00:10:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 00:10:42,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-05 00:10:42,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 00:10:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 00:10:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 00:10:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 00:10:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 00:10:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-05 00:10:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-05 00:10:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-05 00:10:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_lock [2024-11-05 00:10:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_lock [2024-11-05 00:10:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 00:10:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 00:10:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2024-11-05 00:10:42,240 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2024-11-05 00:10:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-05 00:10:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-05 00:10:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 00:10:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 00:10:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2024-11-05 00:10:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2024-11-05 00:10:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2024-11-05 00:10:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2024-11-05 00:10:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-05 00:10:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-05 00:10:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 00:10:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 00:10:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2024-11-05 00:10:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2024-11-05 00:10:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 00:10:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 00:10:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2024-11-05 00:10:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2024-11-05 00:10:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2024-11-05 00:10:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2024-11-05 00:10:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2024-11-05 00:10:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2024-11-05 00:10:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 00:10:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 00:10:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 00:10:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2024-11-05 00:10:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2024-11-05 00:10:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 00:10:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-05 00:10:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-05 00:10:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 00:10:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 00:10:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-05 00:10:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-05 00:10:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-05 00:10:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 00:10:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2024-11-05 00:10:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2024-11-05 00:10:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 00:10:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 00:10:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 00:10:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 00:10:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 00:10:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-05 00:10:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-05 00:10:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-05 00:10:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-05 00:10:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-05 00:10:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2024-11-05 00:10:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 00:10:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 00:10:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 00:10:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 00:10:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 00:10:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 00:10:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 00:10:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 00:10:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 00:10:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 00:10:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-05 00:10:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-05 00:10:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-05 00:10:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-05 00:10:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 00:10:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_delay [2024-11-05 00:10:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_delay [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 00:10:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 00:10:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 00:10:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 00:10:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 00:10:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 00:10:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 00:10:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 00:10:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 00:10:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 00:10:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 00:10:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 00:10:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-05 00:10:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-05 00:10:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-05 00:10:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 00:10:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 00:10:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 00:10:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 00:10:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 00:10:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 00:10:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 00:10:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-05 00:10:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 00:10:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 00:10:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 00:10:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 00:10:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 00:10:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 00:10:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 00:10:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#12 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#13 [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-05 00:10:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-05 00:10:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_unlock [2024-11-05 00:10:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_unlock [2024-11-05 00:10:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2024-11-05 00:10:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2024-11-05 00:10:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 00:10:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 00:10:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2024-11-05 00:10:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2024-11-05 00:10:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 00:10:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 00:10:42,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 00:10:42,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 00:10:42,757 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 00:10:48,471 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2024-11-05 00:10:48,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 00:10:48,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 00:10:48,504 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-05 00:10:48,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:10:48 BoogieIcfgContainer [2024-11-05 00:10:48,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 00:10:48,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 00:10:48,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 00:10:48,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 00:10:48,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 12:10:40" (1/3) ... [2024-11-05 00:10:48,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d55972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:10:48, skipping insertion in model container [2024-11-05 00:10:48,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:10:41" (2/3) ... [2024-11-05 00:10:48,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d55972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:10:48, skipping insertion in model container [2024-11-05 00:10:48,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:10:48" (3/3) ... [2024-11-05 00:10:48,513 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 [2024-11-05 00:10:48,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 00:10:48,529 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 00:10:48,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 00:10:48,604 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;@7366bbc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 00:10:48,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 00:10:48,614 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) [2024-11-05 00:10:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-05 00:10:48,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:10:48,629 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] [2024-11-05 00:10:48,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:10:48,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:10:48,634 INFO L85 PathProgramCache]: Analyzing trace with hash -509314859, now seen corresponding path program 1 times [2024-11-05 00:10:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:10:48,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131275747] [2024-11-05 00:10:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:10:48,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:48,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:10:48,649 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) [2024-11-05 00:10:48,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 00:10:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:10:49,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 00:10:49,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:10:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:49,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:10:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:49,487 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:10:49,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131275747] [2024-11-05 00:10:49,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2131275747] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 00:10:49,488 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 00:10:49,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 00:10:49,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432446441] [2024-11-05 00:10:49,491 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 00:10:49,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 00:10:49,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:10:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 00:10:49,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 00:10:49,524 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) [2024-11-05 00:10:49,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 00:10:49,665 INFO L93 Difference]: Finished difference Result 1068 states and 1523 transitions. [2024-11-05 00:10:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 00:10:49,674 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 [2024-11-05 00:10:49,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 00:10:49,693 INFO L225 Difference]: With dead ends: 1068 [2024-11-05 00:10:49,694 INFO L226 Difference]: Without dead ends: 671 [2024-11-05 00:10:49,706 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 [2024-11-05 00:10:49,710 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 [2024-11-05 00:10:49,711 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] [2024-11-05 00:10:49,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-05 00:10:49,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 653. [2024-11-05 00:10:49,807 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) [2024-11-05 00:10:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 911 transitions. [2024-11-05 00:10:49,815 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 911 transitions. Word has length 47 [2024-11-05 00:10:49,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 00:10:49,816 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 911 transitions. [2024-11-05 00:10:49,816 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) [2024-11-05 00:10:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 911 transitions. [2024-11-05 00:10:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-05 00:10:49,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:10:49,824 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] [2024-11-05 00:10:49,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-05 00:10:50,024 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 [2024-11-05 00:10:50,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:10:50,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:10:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash 818756459, now seen corresponding path program 1 times [2024-11-05 00:10:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:10:50,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485975521] [2024-11-05 00:10:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:10:50,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:10:50,029 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) [2024-11-05 00:10:50,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 00:10:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:10:50,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 00:10:50,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:10:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:50,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:10:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:50,621 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:10:50,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485975521] [2024-11-05 00:10:50,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [485975521] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 00:10:50,622 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 00:10:50,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 00:10:50,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741429400] [2024-11-05 00:10:50,622 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 00:10:50,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 00:10:50,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:10:50,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 00:10:50,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 00:10:50,625 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) [2024-11-05 00:10:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 00:10:50,891 INFO L93 Difference]: Finished difference Result 1876 states and 2611 transitions. [2024-11-05 00:10:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 00:10:50,891 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 [2024-11-05 00:10:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 00:10:50,901 INFO L225 Difference]: With dead ends: 1876 [2024-11-05 00:10:50,901 INFO L226 Difference]: Without dead ends: 1239 [2024-11-05 00:10:50,905 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 [2024-11-05 00:10:50,906 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 441 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 00:10:50,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 972 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 00:10:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2024-11-05 00:10:50,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1236. [2024-11-05 00:10:50,980 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) [2024-11-05 00:10:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1716 transitions. [2024-11-05 00:10:50,991 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1716 transitions. Word has length 62 [2024-11-05 00:10:50,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 00:10:50,992 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1716 transitions. [2024-11-05 00:10:50,992 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) [2024-11-05 00:10:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1716 transitions. [2024-11-05 00:10:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-05 00:10:50,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:10:50,998 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] [2024-11-05 00:10:51,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-05 00:10:51,198 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 [2024-11-05 00:10:51,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:10:51,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:10:51,199 INFO L85 PathProgramCache]: Analyzing trace with hash -761754347, now seen corresponding path program 1 times [2024-11-05 00:10:51,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:10:51,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298414987] [2024-11-05 00:10:51,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:10:51,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:51,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:10:51,209 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) [2024-11-05 00:10:51,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-05 00:10:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:10:51,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 00:10:51,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:10:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:51,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:10:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:51,788 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:10:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298414987] [2024-11-05 00:10:51,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1298414987] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 00:10:51,788 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 00:10:51,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 00:10:51,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296792172] [2024-11-05 00:10:51,789 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 00:10:51,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 00:10:51,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:10:51,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 00:10:51,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 00:10:51,790 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) [2024-11-05 00:10:52,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 00:10:52,095 INFO L93 Difference]: Finished difference Result 3539 states and 4900 transitions. [2024-11-05 00:10:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 00:10:52,096 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 [2024-11-05 00:10:52,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 00:10:52,115 INFO L225 Difference]: With dead ends: 3539 [2024-11-05 00:10:52,115 INFO L226 Difference]: Without dead ends: 2319 [2024-11-05 00:10:52,123 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 [2024-11-05 00:10:52,125 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 [2024-11-05 00:10:52,126 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] [2024-11-05 00:10:52,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-11-05 00:10:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2316. [2024-11-05 00:10:52,270 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) [2024-11-05 00:10:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3198 transitions. [2024-11-05 00:10:52,288 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3198 transitions. Word has length 68 [2024-11-05 00:10:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 00:10:52,292 INFO L471 AbstractCegarLoop]: Abstraction has 2316 states and 3198 transitions. [2024-11-05 00:10:52,293 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) [2024-11-05 00:10:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3198 transitions. [2024-11-05 00:10:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-05 00:10:52,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:10:52,304 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] [2024-11-05 00:10:52,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-05 00:10:52,505 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 [2024-11-05 00:10:52,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:10:52,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:10:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash 781084571, now seen corresponding path program 1 times [2024-11-05 00:10:52,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:10:52,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100212470] [2024-11-05 00:10:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:10:52,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:52,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:10:52,512 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) [2024-11-05 00:10:52,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-05 00:10:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:10:52,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 00:10:52,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:10:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 00:10:52,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:10:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 00:10:52,931 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:10:52,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100212470] [2024-11-05 00:10:52,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [100212470] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 00:10:52,931 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 00:10:52,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 00:10:52,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120122740] [2024-11-05 00:10:52,931 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 00:10:52,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 00:10:52,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:10:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 00:10:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 00:10:52,933 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) [2024-11-05 00:10:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 00:10:53,065 INFO L93 Difference]: Finished difference Result 4624 states and 6392 transitions. [2024-11-05 00:10:53,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 00:10:53,066 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 [2024-11-05 00:10:53,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 00:10:53,079 INFO L225 Difference]: With dead ends: 4624 [2024-11-05 00:10:53,079 INFO L226 Difference]: Without dead ends: 2324 [2024-11-05 00:10:53,087 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 [2024-11-05 00:10:53,088 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 [2024-11-05 00:10:53,089 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] [2024-11-05 00:10:53,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2024-11-05 00:10:53,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2324. [2024-11-05 00:10:53,234 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) [2024-11-05 00:10:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3206 transitions. [2024-11-05 00:10:53,249 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3206 transitions. Word has length 75 [2024-11-05 00:10:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 00:10:53,250 INFO L471 AbstractCegarLoop]: Abstraction has 2324 states and 3206 transitions. [2024-11-05 00:10:53,250 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) [2024-11-05 00:10:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3206 transitions. [2024-11-05 00:10:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-05 00:10:53,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:10:53,256 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] [2024-11-05 00:10:53,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-05 00:10:53,459 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 [2024-11-05 00:10:53,460 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:10:53,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:10:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1585610023, now seen corresponding path program 1 times [2024-11-05 00:10:53,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:10:53,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728908894] [2024-11-05 00:10:53,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:10:53,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:53,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:10:53,465 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) [2024-11-05 00:10:53,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-05 00:10:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:10:53,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-05 00:10:53,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:10:54,089 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 [2024-11-05 00:10:57,370 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 [2024-11-05 00:10:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:57,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:10:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:10:57,933 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:10:57,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728908894] [2024-11-05 00:10:57,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [728908894] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 00:10:57,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 00:10:57,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-05 00:10:57,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181050619] [2024-11-05 00:10:57,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 00:10:57,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 00:10:57,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:10:57,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 00:10:57,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-05 00:10:57,935 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) [2024-11-05 00:10:58,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 00:10:58,306 INFO L93 Difference]: Finished difference Result 5804 states and 8027 transitions. [2024-11-05 00:10:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 00:10:58,306 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 [2024-11-05 00:10:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 00:10:58,355 INFO L225 Difference]: With dead ends: 5804 [2024-11-05 00:10:58,356 INFO L226 Difference]: Without dead ends: 3496 [2024-11-05 00:10:58,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-05 00:10:58,375 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 [2024-11-05 00:10:58,375 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] [2024-11-05 00:10:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2024-11-05 00:10:58,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3493. [2024-11-05 00:10:58,594 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) [2024-11-05 00:10:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3493 states and 4823 transitions. [2024-11-05 00:10:58,612 INFO L78 Accepts]: Start accepts. Automaton has 3493 states and 4823 transitions. Word has length 75 [2024-11-05 00:10:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 00:10:58,613 INFO L471 AbstractCegarLoop]: Abstraction has 3493 states and 4823 transitions. [2024-11-05 00:10:58,613 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) [2024-11-05 00:10:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 4823 transitions. [2024-11-05 00:10:58,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-05 00:10:58,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:10:58,621 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] [2024-11-05 00:10:58,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-05 00:10:58,824 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 [2024-11-05 00:10:58,825 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:10:58,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:10:58,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1801123325, now seen corresponding path program 1 times [2024-11-05 00:10:58,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:10:58,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545632240] [2024-11-05 00:10:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:10:58,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:10:58,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:10:58,830 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) [2024-11-05 00:10:58,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-05 00:10:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:10:59,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-05 00:10:59,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:10:59,260 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 [2024-11-05 00:11:02,398 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 [2024-11-05 00:11:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:11:02,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:11:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:11:03,024 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:11:03,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545632240] [2024-11-05 00:11:03,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1545632240] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 00:11:03,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 00:11:03,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-05 00:11:03,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239446431] [2024-11-05 00:11:03,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 00:11:03,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 00:11:03,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:11:03,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 00:11:03,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-05 00:11:03,026 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) [2024-11-05 00:11:03,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 00:11:03,322 INFO L93 Difference]: Finished difference Result 8723 states and 12076 transitions. [2024-11-05 00:11:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 00:11:03,323 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 [2024-11-05 00:11:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 00:11:03,354 INFO L225 Difference]: With dead ends: 8723 [2024-11-05 00:11:03,354 INFO L226 Difference]: Without dead ends: 5246 [2024-11-05 00:11:03,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-05 00:11:03,368 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 [2024-11-05 00:11:03,369 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] [2024-11-05 00:11:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2024-11-05 00:11:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5243. [2024-11-05 00:11:03,665 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) [2024-11-05 00:11:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7247 transitions. [2024-11-05 00:11:03,692 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7247 transitions. Word has length 81 [2024-11-05 00:11:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 00:11:03,692 INFO L471 AbstractCegarLoop]: Abstraction has 5243 states and 7247 transitions. [2024-11-05 00:11:03,693 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) [2024-11-05 00:11:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7247 transitions. [2024-11-05 00:11:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-05 00:11:03,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 00:11:03,705 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] [2024-11-05 00:11:03,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-05 00:11:03,906 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 [2024-11-05 00:11:03,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 00:11:03,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 00:11:03,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1660840913, now seen corresponding path program 1 times [2024-11-05 00:11:03,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 00:11:03,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839430240] [2024-11-05 00:11:03,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 00:11:03,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 00:11:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 00:11:03,911 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) [2024-11-05 00:11:03,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-05 00:11:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 00:11:04,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 179 conjuncts are in the unsatisfiable core [2024-11-05 00:11:04,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 00:11:15,328 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 [2024-11-05 00:11:18,658 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 [2024-11-05 00:11:23,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 81 [2024-11-05 00:11:23,709 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 [2024-11-05 00:11:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 00:11:23,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 00:11:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-05 00:11:26,297 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 00:11:26,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839430240] [2024-11-05 00:11:26,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1839430240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 00:11:26,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 00:11:26,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 21 [2024-11-05 00:11:26,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978002833] [2024-11-05 00:11:26,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 00:11:26,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-05 00:11:26,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 00:11:26,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-05 00:11:26,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=330, Unknown=1, NotChecked=0, Total=420 [2024-11-05 00:11:26,300 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) [2024-11-05 00:11:51,039 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] [2024-11-05 00:11:55,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-05 00:12:00,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-05 00:12:12,114 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]