/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 06:43:12,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 06:43:12,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 06:43:12,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 06:43:12,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 06:43:13,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 06:43:13,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 06:43:13,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 06:43:13,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 06:43:13,006 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 06:43:13,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 06:43:13,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 06:43:13,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 06:43:13,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 06:43:13,016 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 06:43:13,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 06:43:13,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 06:43:13,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 06:43:13,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 06:43:13,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 06:43:13,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 06:43:13,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 06:43:13,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 06:43:13,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 06:43:13,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 06:43:13,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 06:43:13,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 06:43:13,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 06:43:13,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 06:43:13,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 06:43:13,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 06:43:13,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:43:13,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 06:43:13,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 06:43:13,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 06:43:13,031 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 06:43:13,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:13,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 06:43:13,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 06:43:13,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 06:43:13,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 06:43:13,036 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 06:43:13,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:13,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 06:43:13,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 06:43:13,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 06:43:13,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 06:43:13,535 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 06:43:13,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 06:43:15,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 06:43:15,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 06:43:15,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 06:43:15,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a9d82ac/82452a5330c84da596976724d97a63d1/FLAGde75da344 [2024-11-01 06:43:16,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a9d82ac/82452a5330c84da596976724d97a63d1 [2024-11-01 06:43:16,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 06:43:16,189 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 06:43:16,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 06:43:16,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 06:43:16,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 06:43:16,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:43:16" (1/1) ... [2024-11-01 06:43:16,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5d6c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:16, skipping insertion in model container [2024-11-01 06:43:16,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:43:16" (1/1) ... [2024-11-01 06:43:16,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:43:17,281 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-01 06:43:17,303 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,389 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,437 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,447 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,454 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,460 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,461 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,487 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,489 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,507 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,512 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,517 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,519 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,519 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,531 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,535 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,538 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,540 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,540 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,566 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,566 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,572 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,573 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,574 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,575 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,577 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,601 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,601 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,602 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,603 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,603 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,604 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,604 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,604 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,605 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,689 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:43:17,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:43:17,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 06:43:17,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-11-01 06:43:17,869 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-01 06:43:18,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:43:18,125 INFO L204 MainTranslator]: Completed translation [2024-11-01 06:43:18,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18 WrapperNode [2024-11-01 06:43:18,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 06:43:18,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 06:43:18,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 06:43:18,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 06:43:18,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,304 INFO L138 Inliner]: procedures = 170, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1601 [2024-11-01 06:43:18,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 06:43:18,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 06:43:18,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 06:43:18,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 06:43:18,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,518 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [2, 26, 158, 44, 17, 3, 6]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 26, 0, 0, 0, 0, 6]. The 114 writes are split as follows [0, 0, 51, 44, 17, 2, 0]. [2024-11-01 06:43:18,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 06:43:18,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 06:43:18,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 06:43:18,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 06:43:18,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (1/1) ... [2024-11-01 06:43:18,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:43:18,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 06:43:18,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 06:43:18,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 06:43:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-01 06:43:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-01 06:43:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-01 06:43:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-01 06:43:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-01 06:43:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-01 06:43:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-01 06:43:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-01 06:43:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-01 06:43:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-01 06:43:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 06:43:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 06:43:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 06:43:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 06:43:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 06:43:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 06:43:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 06:43:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 06:43:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 06:43:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-01 06:43:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-01 06:43:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-01 06:43:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-01 06:43:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-01 06:43:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-01 06:43:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-01 06:43:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-01 06:43:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-01 06:43:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-01 06:43:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-01 06:43:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-01 06:43:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-01 06:43:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-01 06:43:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-01 06:43:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-01 06:43:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-01 06:43:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 06:43:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 06:43:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-01 06:43:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-01 06:43:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-01 06:43:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-01 06:43:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-01 06:43:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-01 06:43:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-01 06:43:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-01 06:43:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-01 06:43:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-01 06:43:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-01 06:43:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-01 06:43:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 06:43:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 06:43:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 06:43:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 06:43:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 06:43:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 06:43:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-01 06:43:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-01 06:43:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 06:43:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 06:43:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-01 06:43:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-01 06:43:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-01 06:43:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-01 06:43:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-01 06:43:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-01 06:43:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-01 06:43:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-01 06:43:18,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-01 06:43:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 06:43:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 06:43:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 06:43:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 06:43:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 06:43:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 06:43:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 06:43:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 06:43:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 06:43:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-01 06:43:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-01 06:43:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 06:43:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 06:43:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-01 06:43:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 06:43:18,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-01 06:43:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-01 06:43:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-01 06:43:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-01 06:43:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-01 06:43:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-01 06:43:18,719 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-01 06:43:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-01 06:43:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 06:43:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-01 06:43:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 06:43:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 06:43:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-01 06:43:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 06:43:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 06:43:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 06:43:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 06:43:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 06:43:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 06:43:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 06:43:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 06:43:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-01 06:43:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-01 06:43:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-01 06:43:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-01 06:43:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-01 06:43:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 06:43:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 06:43:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 06:43:18,725 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-01 06:43:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-01 06:43:18,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 06:43:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 06:43:18,725 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-01 06:43:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-01 06:43:18,725 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-01 06:43:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-01 06:43:19,206 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 06:43:19,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 06:43:19,350 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 06:43:21,311 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-01 06:43:38,131 INFO L? ?]: Removed 870 outVars from TransFormulas that were not future-live. [2024-11-01 06:43:38,132 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 06:43:38,159 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 06:43:38,160 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 06:43:38,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:43:38 BoogieIcfgContainer [2024-11-01 06:43:38,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 06:43:38,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 06:43:38,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 06:43:38,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 06:43:38,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:43:16" (1/3) ... [2024-11-01 06:43:38,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7349f319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:43:38, skipping insertion in model container [2024-11-01 06:43:38,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:43:18" (2/3) ... [2024-11-01 06:43:38,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7349f319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:43:38, skipping insertion in model container [2024-11-01 06:43:38,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:43:38" (3/3) ... [2024-11-01 06:43:38,169 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 06:43:38,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 06:43:38,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 06:43:38,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 06:43:38,264 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;@4c0c44e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 06:43:38,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 06:43:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 800 states, 543 states have (on average 1.3388581952117864) internal successors, (727), 569 states have internal predecessors, (727), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-01 06:43:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-01 06:43:38,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:38,290 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:43:38,290 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:38,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:38,296 INFO L85 PathProgramCache]: Analyzing trace with hash 37679183, now seen corresponding path program 1 times [2024-11-01 06:43:38,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:38,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516167923] [2024-11-01 06:43:38,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:38,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:38,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:38,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:43:38,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 06:43:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:39,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:43:39,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:43:40,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:43:41,589 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:41,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516167923] [2024-11-01 06:43:41,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [516167923] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:41,590 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:41,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 06:43:41,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347971554] [2024-11-01 06:43:41,597 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:41,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:43:41,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:43:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:43:41,653 INFO L87 Difference]: Start difference. First operand has 800 states, 543 states have (on average 1.3388581952117864) internal successors, (727), 569 states have internal predecessors, (727), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 06:43:45,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:44:00,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:44:00,411 INFO L93 Difference]: Finished difference Result 3055 states and 4354 transitions. [2024-11-01 06:44:00,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 06:44:00,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-01 06:44:00,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:44:00,462 INFO L225 Difference]: With dead ends: 3055 [2024-11-01 06:44:00,462 INFO L226 Difference]: Without dead ends: 2230 [2024-11-01 06:44:00,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:00,474 INFO L432 NwaCegarLoop]: 1121 mSDtfsCounter, 2761 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 375 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:44:00,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 2838 Invalid, 766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [375 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 18.3s Time] [2024-11-01 06:44:00,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-11-01 06:44:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2230. [2024-11-01 06:44:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 1522 states have (on average 1.328515111695138) internal successors, (2022), 1566 states have internal predecessors, (2022), 546 states have call successors, (546), 162 states have call predecessors, (546), 161 states have return successors, (541), 526 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-01 06:44:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 3109 transitions. [2024-11-01 06:44:00,697 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 3109 transitions. Word has length 56 [2024-11-01 06:44:00,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:44:00,698 INFO L471 AbstractCegarLoop]: Abstraction has 2230 states and 3109 transitions. [2024-11-01 06:44:00,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 06:44:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 3109 transitions. [2024-11-01 06:44:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-01 06:44:00,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:44:00,705 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:44:00,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 06:44:00,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:00,906 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:44:00,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:44:00,907 INFO L85 PathProgramCache]: Analyzing trace with hash 492956327, now seen corresponding path program 1 times [2024-11-01 06:44:00,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:44:00,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082470371] [2024-11-01 06:44:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:44:00,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:00,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:44:00,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:44:00,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 06:44:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:44:02,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:44:02,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:44:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:44:09,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:44:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:44:11,900 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:44:11,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082470371] [2024-11-01 06:44:11,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1082470371] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:44:11,901 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:44:11,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 06:44:11,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224273177] [2024-11-01 06:44:11,901 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:44:11,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:44:11,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:44:11,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:44:11,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:11,903 INFO L87 Difference]: Start difference. First operand 2230 states and 3109 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 06:44:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:44:12,952 INFO L93 Difference]: Finished difference Result 6647 states and 9407 transitions. [2024-11-01 06:44:12,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 06:44:12,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 59 [2024-11-01 06:44:12,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:44:12,979 INFO L225 Difference]: With dead ends: 6647 [2024-11-01 06:44:12,980 INFO L226 Difference]: Without dead ends: 4439 [2024-11-01 06:44:12,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:12,988 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 1073 mSDsluCounter, 2112 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-01 06:44:12,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 3263 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-01 06:44:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4439 states. [2024-11-01 06:44:13,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4439 to 4427. [2024-11-01 06:44:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 3024 states have (on average 1.3277116402116402) internal successors, (4015), 3108 states have internal predecessors, (4015), 1081 states have call successors, (1081), 322 states have call predecessors, (1081), 321 states have return successors, (1130), 1046 states have call predecessors, (1130), 1076 states have call successors, (1130) [2024-11-01 06:44:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6226 transitions. [2024-11-01 06:44:13,177 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6226 transitions. Word has length 59 [2024-11-01 06:44:13,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:44:13,178 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6226 transitions. [2024-11-01 06:44:13,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 06:44:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6226 transitions. [2024-11-01 06:44:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-01 06:44:13,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:44:13,184 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:44:13,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-01 06:44:13,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:13,387 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:44:13,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:44:13,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1898687039, now seen corresponding path program 1 times [2024-11-01 06:44:13,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:44:13,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466539855] [2024-11-01 06:44:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:44:13,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:13,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:44:13,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:44:13,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 06:44:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:44:14,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:44:14,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:44:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:44:20,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:44:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:44:22,583 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:44:22,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466539855] [2024-11-01 06:44:22,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [466539855] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:44:22,585 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:44:22,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 06:44:22,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946257863] [2024-11-01 06:44:22,585 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:44:22,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:44:22,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:44:22,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:44:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:22,587 INFO L87 Difference]: Start difference. First operand 4427 states and 6226 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 06:44:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:44:37,583 INFO L93 Difference]: Finished difference Result 17592 states and 25170 transitions. [2024-11-01 06:44:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 06:44:37,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 60 [2024-11-01 06:44:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:44:37,796 INFO L225 Difference]: With dead ends: 17592 [2024-11-01 06:44:37,796 INFO L226 Difference]: Without dead ends: 13187 [2024-11-01 06:44:37,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:44:37,864 INFO L432 NwaCegarLoop]: 1206 mSDtfsCounter, 2099 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 3997 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-01 06:44:37,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 3997 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2024-11-01 06:44:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13187 states. [2024-11-01 06:44:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13187 to 13144. [2024-11-01 06:44:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13144 states, 8971 states have (on average 1.3239326719429272) internal successors, (11877), 9215 states have internal predecessors, (11877), 3213 states have call successors, (3213), 960 states have call predecessors, (3213), 959 states have return successors, (3490), 3118 states have call predecessors, (3490), 3208 states have call successors, (3490) [2024-11-01 06:44:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13144 states to 13144 states and 18580 transitions. [2024-11-01 06:44:39,474 INFO L78 Accepts]: Start accepts. Automaton has 13144 states and 18580 transitions. Word has length 60 [2024-11-01 06:44:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:44:39,476 INFO L471 AbstractCegarLoop]: Abstraction has 13144 states and 18580 transitions. [2024-11-01 06:44:39,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 06:44:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 13144 states and 18580 transitions. [2024-11-01 06:44:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-01 06:44:39,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:44:39,479 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:44:39,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 06:44:39,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:39,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:44:39,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:44:39,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1269784810, now seen corresponding path program 1 times [2024-11-01 06:44:39,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:44:39,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856424923] [2024-11-01 06:44:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:44:39,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:44:39,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:44:39,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:44:39,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 06:44:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:44:40,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:44:40,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:44:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:44:44,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:44:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 06:44:47,763 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:44:47,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856424923] [2024-11-01 06:44:47,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [856424923] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:44:47,764 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:44:47,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 06:44:47,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093873803] [2024-11-01 06:44:47,764 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:44:47,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:44:47,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:44:47,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:44:47,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:44:47,767 INFO L87 Difference]: Start difference. First operand 13144 states and 18580 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 06:44:48,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:44:48,650 INFO L93 Difference]: Finished difference Result 13182 states and 18620 transitions. [2024-11-01 06:44:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:44:48,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 61 [2024-11-01 06:44:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:44:48,787 INFO L225 Difference]: With dead ends: 13182 [2024-11-01 06:44:48,788 INFO L226 Difference]: Without dead ends: 13179 [2024-11-01 06:44:48,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:44:48,799 INFO L432 NwaCegarLoop]: 1208 mSDtfsCounter, 1051 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:44:48,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 2270 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 06:44:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13179 states. [2024-11-01 06:44:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13179 to 13176. [2024-11-01 06:44:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13176 states, 8999 states have (on average 1.3232581397933103) internal successors, (11908), 9243 states have internal predecessors, (11908), 3215 states have call successors, (3215), 962 states have call predecessors, (3215), 961 states have return successors, (3492), 3120 states have call predecessors, (3492), 3210 states have call successors, (3492) [2024-11-01 06:44:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13176 states to 13176 states and 18615 transitions. [2024-11-01 06:44:50,052 INFO L78 Accepts]: Start accepts. Automaton has 13176 states and 18615 transitions. Word has length 61 [2024-11-01 06:44:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:44:50,055 INFO L471 AbstractCegarLoop]: Abstraction has 13176 states and 18615 transitions. [2024-11-01 06:44:50,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 06:44:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 13176 states and 18615 transitions. [2024-11-01 06:44:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-01 06:44:50,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:44:50,059 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:44:50,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0