/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -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-b75d321-m [2024-11-05 05:48:58,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 05:48:58,580 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 05:48:58,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 05:48:58,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 05:48:58,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 05:48:58,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 05:48:58,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 05:48:58,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 05:48:58,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 05:48:58,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 05:48:58,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 05:48:58,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 05:48:58,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 05:48:58,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 05:48:58,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 05:48:58,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 05:48:58,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 05:48:58,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 05:48:58,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 05:48:58,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 05:48:58,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 05:48:58,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 05:48:58,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 05:48:58,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 05:48:58,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 05:48:58,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 05:48:58,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 05:48:58,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 05:48:58,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 05:48:58,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 05:48:58,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:48:58,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 05:48:58,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 05:48:58,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 05:48:58,603 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 05:48:58,603 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 05:48:58,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 05:48:58,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 05:48:58,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 05:48:58,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 05:48:58,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:48:58,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 05:48:58,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 05:48:58,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 05:48:58,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 05:48:58,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 05:48:58,804 INFO L431 ainManager$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 [2024-11-05 05:49:00,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 05:49:00,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 05:49:00,494 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 [2024-11-05 05:49:00,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f7b01a5/ab9d9a71b12f45be95e57dfb80aeeab3/FLAG6c43686e7 [2024-11-05 05:49:00,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f7b01a5/ab9d9a71b12f45be95e57dfb80aeeab3 [2024-11-05 05:49:00,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 05:49:00,540 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 05:49:00,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 05:49:00,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 05:49:00,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 05:49:00,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:49:00" (1/1) ... [2024-11-05 05:49:00,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa90455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:00, skipping insertion in model container [2024-11-05 05:49:00,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:49:00" (1/1) ... [2024-11-05 05:49:00,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 05:49:01,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-05 05:49:01,307 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,389 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,436 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,460 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,462 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,487 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,487 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,488 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,488 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,488 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,504 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,508 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,528 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,529 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,531 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,532 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,532 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,533 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,533 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,535 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,535 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,537 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,538 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,574 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,574 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,580 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,580 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,581 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,659 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:49:01,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:49:01,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 05:49:01,781 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] [2024-11-05 05:49:01,790 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-05 05:49:01,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:49:01,980 INFO L204 MainTranslator]: Completed translation [2024-11-05 05:49:01,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01 WrapperNode [2024-11-05 05:49:01,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 05:49:01,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 05:49:01,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 05:49:01,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 05:49:01,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,134 INFO L138 Inliner]: procedures = 170, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1601 [2024-11-05 05:49:02,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 05:49:02,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 05:49:02,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 05:49:02,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 05:49:02,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,345 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [2, 26, 44, 3, 17, 158, 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, 44, 2, 17, 51, 0]. [2024-11-05 05:49:02,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 05:49:02,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 05:49:02,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 05:49:02,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 05:49:02,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (1/1) ... [2024-11-05 05:49:02,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:49:02,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 05:49:02,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 05:49:02,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 05:49:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-05 05:49:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-05 05:49:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-05 05:49:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-05 05:49:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 05:49:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-05 05:49:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-05 05:49:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-05 05:49:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-05 05:49:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-05 05:49:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 05:49:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 05:49:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 05:49:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-05 05:49:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-05 05:49:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-05 05:49:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-05 05:49:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-05 05:49:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-05 05:49:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-05 05:49:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-05 05:49:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-05 05:49:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-05 05:49:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 05:49:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-05 05:49:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-05 05:49:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-05 05:49:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-05 05:49:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-05 05:49:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-05 05:49:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 05:49:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 05:49:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 05:49:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 05:49:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 05:49:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 05:49:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-05 05:49:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-05 05:49:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 05:49:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-05 05:49:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-05 05:49:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-05 05:49:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-05 05:49:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 05:49:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-05 05:49:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-05 05:49:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-05 05:49:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-05 05:49:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 05:49:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-05 05:49:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 05:49:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 05:49:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 05:49:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-05 05:49:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-05 05:49:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-05 05:49:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-05 05:49:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-05 05:49:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-05 05:49:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-05 05:49:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-05 05:49:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-05 05:49:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 05:49:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-05 05:49:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-05 05:49:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 05:49:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 05:49:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-05 05:49:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 05:49:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-05 05:49:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-05 05:49:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-05 05:49:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-05 05:49:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-05 05:49:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-05 05:49:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 05:49:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 05:49:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-05 05:49:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 05:49:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-05 05:49:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-05 05:49:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-05 05:49:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-05 05:49:02,984 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 05:49:02,986 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 05:49:03,069 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 05:49:04,654 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-05 05:49:20,493 INFO L? ?]: Removed 870 outVars from TransFormulas that were not future-live. [2024-11-05 05:49:20,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 05:49:20,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 05:49:20,535 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 05:49:20,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:49:20 BoogieIcfgContainer [2024-11-05 05:49:20,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 05:49:20,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 05:49:20,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 05:49:20,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 05:49:20,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:49:00" (1/3) ... [2024-11-05 05:49:20,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd8a85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:49:20, skipping insertion in model container [2024-11-05 05:49:20,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:49:01" (2/3) ... [2024-11-05 05:49:20,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd8a85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:49:20, skipping insertion in model container [2024-11-05 05:49:20,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:49:20" (3/3) ... [2024-11-05 05:49:20,544 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-05 05:49:20,560 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 05:49:20,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 05:49:20,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 05:49:20,669 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;@4ec3d2c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 05:49:20,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 05:49:20,681 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) [2024-11-05 05:49:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-05 05:49:20,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:49:20,700 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] [2024-11-05 05:49:20,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:49:20,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:49:20,709 INFO L85 PathProgramCache]: Analyzing trace with hash 37679183, now seen corresponding path program 1 times [2024-11-05 05:49:20,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:49:20,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130791019] [2024-11-05 05:49:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:49:20,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:20,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:49:20,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:49:20,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 05:49:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:49:21,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 05:49:21,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:49:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-05 05:49:21,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:49:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-05 05:49:22,455 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:49:22,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130791019] [2024-11-05 05:49:22,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2130791019] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:49:22,455 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:49:22,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 05:49:22,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067892168] [2024-11-05 05:49:22,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:49:22,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:49:22,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:49:22,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:49:22,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:22,489 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 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-05 05:49:22,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:49:22,761 INFO L93 Difference]: Finished difference Result 1597 states and 2270 transitions. [2024-11-05 05:49:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:49:22,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 [2024-11-05 05:49:22,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:49:22,787 INFO L225 Difference]: With dead ends: 1597 [2024-11-05 05:49:22,787 INFO L226 Difference]: Without dead ends: 788 [2024-11-05 05:49:22,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:22,800 INFO L432 NwaCegarLoop]: 1112 mSDtfsCounter, 0 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 05:49:22,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3330 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 05:49:22,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-05 05:49:22,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2024-11-05 05:49:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 539 states have (on average 1.3246753246753247) internal successors, (714), 557 states have internal predecessors, (714), 194 states have call successors, (194), 55 states have call predecessors, (194), 54 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-05 05:49:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1097 transitions. [2024-11-05 05:49:22,918 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1097 transitions. Word has length 56 [2024-11-05 05:49:22,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:49:22,920 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1097 transitions. [2024-11-05 05:49:22,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-05 05:49:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1097 transitions. [2024-11-05 05:49:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-05 05:49:22,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:49:22,924 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:49:22,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 05:49:23,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:23,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:49:23,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:49:23,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1537788559, now seen corresponding path program 1 times [2024-11-05 05:49:23,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:49:23,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294574167] [2024-11-05 05:49:23,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:49:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:49:23,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:49:23,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 05:49:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:49:23,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 05:49:23,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:49:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-05 05:49:24,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:49:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-05 05:49:25,920 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:49:25,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294574167] [2024-11-05 05:49:25,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1294574167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 05:49:25,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 05:49:25,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 05:49:25,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568937639] [2024-11-05 05:49:25,921 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 05:49:25,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 05:49:25,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:49:25,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 05:49:25,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-05 05:49:25,927 INFO L87 Difference]: Start difference. First operand 788 states and 1097 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-11-05 05:49:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:49:26,560 INFO L93 Difference]: Finished difference Result 1562 states and 2176 transitions. [2024-11-05 05:49:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 05:49:26,561 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 58 [2024-11-05 05:49:26,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:49:26,569 INFO L225 Difference]: With dead ends: 1562 [2024-11-05 05:49:26,569 INFO L226 Difference]: Without dead ends: 790 [2024-11-05 05:49:26,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-05 05:49:26,575 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 0 mSDsluCounter, 6546 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7640 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 05:49:26,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7640 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-05 05:49:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-05 05:49:26,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-05 05:49:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 541 states have (on average 1.323475046210721) internal successors, (716), 559 states have internal predecessors, (716), 194 states have call successors, (194), 55 states have call predecessors, (194), 54 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-05 05:49:26,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1099 transitions. [2024-11-05 05:49:26,620 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1099 transitions. Word has length 58 [2024-11-05 05:49:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:49:26,621 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1099 transitions. [2024-11-05 05:49:26,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-11-05 05:49:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1099 transitions. [2024-11-05 05:49:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 05:49:26,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:49:26,625 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:49:26,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 05:49:26,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:26,834 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:49:26,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:49:26,834 INFO L85 PathProgramCache]: Analyzing trace with hash 33887439, now seen corresponding path program 2 times [2024-11-05 05:49:26,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:49:26,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927666866] [2024-11-05 05:49:26,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:49:26,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:26,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:49:26,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:49:26,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 05:49:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:49:27,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:49:27,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:49:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:49:27,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:49:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:49:28,577 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:49:28,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927666866] [2024-11-05 05:49:28,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1927666866] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:49:28,577 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:49:28,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 05:49:28,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079600630] [2024-11-05 05:49:28,577 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:49:28,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:49:28,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:49:28,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:49:28,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:28,579 INFO L87 Difference]: Start difference. First operand 790 states and 1099 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-05 05:49:32,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:49:41,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:49:41,211 INFO L93 Difference]: Finished difference Result 3005 states and 4191 transitions. [2024-11-05 05:49:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:49:41,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 60 [2024-11-05 05:49:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:49:41,227 INFO L225 Difference]: With dead ends: 3005 [2024-11-05 05:49:41,228 INFO L226 Difference]: Without dead ends: 2234 [2024-11-05 05:49:41,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:41,233 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 2063 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-05 05:49:41,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 3805 Invalid, 398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2024-11-05 05:49:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2024-11-05 05:49:41,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2234. [2024-11-05 05:49:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2234 states, 1526 states have (on average 1.327653997378768) internal successors, (2026), 1570 states have internal predecessors, (2026), 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) [2024-11-05 05:49:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 3113 transitions. [2024-11-05 05:49:41,339 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 3113 transitions. Word has length 60 [2024-11-05 05:49:41,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:49:41,341 INFO L471 AbstractCegarLoop]: Abstraction has 2234 states and 3113 transitions. [2024-11-05 05:49:41,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-05 05:49:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 3113 transitions. [2024-11-05 05:49:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-05 05:49:41,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:49:41,343 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:49:41,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-05 05:49:41,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:41,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:49:41,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:49:41,545 INFO L85 PathProgramCache]: Analyzing trace with hash -797739481, now seen corresponding path program 1 times [2024-11-05 05:49:41,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:49:41,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849618178] [2024-11-05 05:49:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:49:41,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:41,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:49:41,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:49:41,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 05:49:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:49:42,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 05:49:42,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:49:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:49:46,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:49:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:49:48,869 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:49:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849618178] [2024-11-05 05:49:48,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1849618178] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:49:48,869 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:49:48,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-05 05:49:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366860161] [2024-11-05 05:49:48,869 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:49:48,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:49:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:49:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:49:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:48,871 INFO L87 Difference]: Start difference. First operand 2234 states and 3113 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) [2024-11-05 05:49:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:49:50,292 INFO L93 Difference]: Finished difference Result 6651 states and 9411 transitions. [2024-11-05 05:49:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:49:50,293 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 63 [2024-11-05 05:49:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:49:50,315 INFO L225 Difference]: With dead ends: 6651 [2024-11-05 05:49:50,316 INFO L226 Difference]: Without dead ends: 4443 [2024-11-05 05:49:50,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:50,324 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 1748 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-05 05:49:50,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 2211 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-05 05:49:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2024-11-05 05:49:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4431. [2024-11-05 05:49:50,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4431 states, 3028 states have (on average 1.3272787318361956) internal successors, (4019), 3112 states have internal predecessors, (4019), 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) [2024-11-05 05:49:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 4431 states and 6230 transitions. [2024-11-05 05:49:50,509 INFO L78 Accepts]: Start accepts. Automaton has 4431 states and 6230 transitions. Word has length 63 [2024-11-05 05:49:50,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:49:50,510 INFO L471 AbstractCegarLoop]: Abstraction has 4431 states and 6230 transitions. [2024-11-05 05:49:50,510 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) [2024-11-05 05:49:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4431 states and 6230 transitions. [2024-11-05 05:49:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-05 05:49:50,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:49:50,512 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:49:50,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-05 05:49:50,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:50,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:49:50,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:49:50,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1039415873, now seen corresponding path program 1 times [2024-11-05 05:49:50,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:49:50,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960382357] [2024-11-05 05:49:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:49:50,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:49:50,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:49:50,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:49:50,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 05:49:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:49:51,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 05:49:51,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:49:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:49:56,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:49:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:49:57,893 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:49:57,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960382357] [2024-11-05 05:49:57,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1960382357] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:49:57,893 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:49:57,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-05 05:49:57,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330146258] [2024-11-05 05:49:57,893 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:49:57,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:49:57,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:49:57,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:49:57,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:49:57,894 INFO L87 Difference]: Start difference. First operand 4431 states and 6230 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2024-11-05 05:50:07,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:50:07,524 INFO L93 Difference]: Finished difference Result 17596 states and 25174 transitions. [2024-11-05 05:50:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:50:07,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 64 [2024-11-05 05:50:07,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:50:07,609 INFO L225 Difference]: With dead ends: 17596 [2024-11-05 05:50:07,609 INFO L226 Difference]: Without dead ends: 13191 [2024-11-05 05:50:07,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:50:07,634 INFO L432 NwaCegarLoop]: 1206 mSDtfsCounter, 2768 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-05 05:50:07,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 2946 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2024-11-05 05:50:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2024-11-05 05:50:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 13148. [2024-11-05 05:50:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13148 states, 8975 states have (on average 1.3237883008356546) internal successors, (11881), 9219 states have internal predecessors, (11881), 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) [2024-11-05 05:50:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13148 states to 13148 states and 18584 transitions. [2024-11-05 05:50:08,408 INFO L78 Accepts]: Start accepts. Automaton has 13148 states and 18584 transitions. Word has length 64 [2024-11-05 05:50:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:50:08,408 INFO L471 AbstractCegarLoop]: Abstraction has 13148 states and 18584 transitions. [2024-11-05 05:50:08,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2024-11-05 05:50:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 13148 states and 18584 transitions. [2024-11-05 05:50:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-05 05:50:08,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:50:08,411 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:50:08,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-05 05:50:08,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:08,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:50:08,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:50:08,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2138305430, now seen corresponding path program 1 times [2024-11-05 05:50:08,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:50:08,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467502258] [2024-11-05 05:50:08,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:50:08,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:08,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:50:08,614 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:50:08,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 05:50:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:50:09,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:50:09,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:50:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:50:11,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:50:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:50:13,618 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:50:13,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467502258] [2024-11-05 05:50:13,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1467502258] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:50:13,618 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:50:13,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 05:50:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046149989] [2024-11-05 05:50:13,619 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:50:13,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:50:13,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:50:13,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:50:13,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:13,620 INFO L87 Difference]: Start difference. First operand 13148 states and 18584 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-05 05:50:14,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:50:14,166 INFO L93 Difference]: Finished difference Result 13186 states and 18624 transitions. [2024-11-05 05:50:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:50:14,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 65 [2024-11-05 05:50:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:50:14,237 INFO L225 Difference]: With dead ends: 13186 [2024-11-05 05:50:14,237 INFO L226 Difference]: Without dead ends: 13183 [2024-11-05 05:50:14,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:14,247 INFO L432 NwaCegarLoop]: 1208 mSDtfsCounter, 1050 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 05:50:14,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 2270 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 05:50:14,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13183 states. [2024-11-05 05:50:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13183 to 13180. [2024-11-05 05:50:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13180 states, 9003 states have (on average 1.3231145173830945) internal successors, (11912), 9247 states have internal predecessors, (11912), 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) [2024-11-05 05:50:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 18619 transitions. [2024-11-05 05:50:14,868 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 18619 transitions. Word has length 65 [2024-11-05 05:50:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:50:14,869 INFO L471 AbstractCegarLoop]: Abstraction has 13180 states and 18619 transitions. [2024-11-05 05:50:14,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-05 05:50:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 18619 transitions. [2024-11-05 05:50:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-05 05:50:14,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:50:14,871 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:50:14,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-05 05:50:15,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:15,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:50:15,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:50:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1863413148, now seen corresponding path program 1 times [2024-11-05 05:50:15,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:50:15,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731893360] [2024-11-05 05:50:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:50:15,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:15,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:50:15,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:50:15,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-05 05:50:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:50:15,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:50:15,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:50:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:50:18,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:50:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:50:20,410 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:50:20,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731893360] [2024-11-05 05:50:20,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1731893360] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:50:20,410 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:50:20,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 05:50:20,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422736691] [2024-11-05 05:50:20,410 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:50:20,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:50:20,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:50:20,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:50:20,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:20,411 INFO L87 Difference]: Start difference. First operand 13180 states and 18619 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-05 05:50:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:50:20,859 INFO L93 Difference]: Finished difference Result 13182 states and 18620 transitions. [2024-11-05 05:50:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:50:20,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 66 [2024-11-05 05:50:20,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:50:20,925 INFO L225 Difference]: With dead ends: 13182 [2024-11-05 05:50:20,925 INFO L226 Difference]: Without dead ends: 13179 [2024-11-05 05:50:20,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:20,934 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 1045 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 05:50:20,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 1092 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 05:50:20,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13179 states. [2024-11-05 05:50:21,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13179 to 13179. [2024-11-05 05:50:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13179 states, 9003 states have (on average 1.3230034432966788) internal successors, (11911), 9246 states have internal predecessors, (11911), 3214 states have call successors, (3214), 962 states have call predecessors, (3214), 961 states have return successors, (3492), 3120 states have call predecessors, (3492), 3210 states have call successors, (3492) [2024-11-05 05:50:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13179 states to 13179 states and 18617 transitions. [2024-11-05 05:50:21,716 INFO L78 Accepts]: Start accepts. Automaton has 13179 states and 18617 transitions. Word has length 66 [2024-11-05 05:50:21,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:50:21,716 INFO L471 AbstractCegarLoop]: Abstraction has 13179 states and 18617 transitions. [2024-11-05 05:50:21,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-05 05:50:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 13179 states and 18617 transitions. [2024-11-05 05:50:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-05 05:50:21,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:50:21,718 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:50:21,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-05 05:50:21,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:21,919 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:50:21,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:50:21,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1931682131, now seen corresponding path program 1 times [2024-11-05 05:50:21,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:50:21,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449587435] [2024-11-05 05:50:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:50:21,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:21,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:50:21,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:50:21,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-05 05:50:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:50:22,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:50:22,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:50:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:50:25,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:50:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 05:50:27,916 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:50:27,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449587435] [2024-11-05 05:50:27,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [449587435] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:50:27,916 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:50:27,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 05:50:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136802167] [2024-11-05 05:50:27,916 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:50:27,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:50:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:50:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:50:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:27,917 INFO L87 Difference]: Start difference. First operand 13179 states and 18617 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-05 05:50:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:50:28,544 INFO L93 Difference]: Finished difference Result 13181 states and 18618 transitions. [2024-11-05 05:50:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:50:28,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 67 [2024-11-05 05:50:28,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:50:28,609 INFO L225 Difference]: With dead ends: 13181 [2024-11-05 05:50:28,609 INFO L226 Difference]: Without dead ends: 13159 [2024-11-05 05:50:28,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:28,616 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 1042 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 05:50:28,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 05:50:28,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13159 states. [2024-11-05 05:50:29,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13159 to 13159. [2024-11-05 05:50:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13159 states, 8986 states have (on average 1.3229468061428888) internal successors, (11888), 9228 states have internal predecessors, (11888), 3212 states have call successors, (3212), 961 states have call predecessors, (3212), 960 states have return successors, (3491), 3119 states have call predecessors, (3491), 3209 states have call successors, (3491) [2024-11-05 05:50:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13159 states to 13159 states and 18591 transitions. [2024-11-05 05:50:29,429 INFO L78 Accepts]: Start accepts. Automaton has 13159 states and 18591 transitions. Word has length 67 [2024-11-05 05:50:29,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:50:29,429 INFO L471 AbstractCegarLoop]: Abstraction has 13159 states and 18591 transitions. [2024-11-05 05:50:29,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-05 05:50:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 13159 states and 18591 transitions. [2024-11-05 05:50:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-05 05:50:29,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:50:29,443 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:50:29,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-05 05:50:29,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:29,645 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:50:29,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:50:29,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1317878714, now seen corresponding path program 1 times [2024-11-05 05:50:29,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:50:29,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25627652] [2024-11-05 05:50:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:50:29,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:50:29,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:50:29,648 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:50:29,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-05 05:50:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:50:30,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:50:30,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:50:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-05 05:50:31,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:50:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-05 05:50:33,172 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:50:33,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25627652] [2024-11-05 05:50:33,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [25627652] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:50:33,172 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:50:33,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:50:33,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196923510] [2024-11-05 05:50:33,173 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:50:33,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:50:33,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:50:33,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:50:33,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:50:33,175 INFO L87 Difference]: Start difference. First operand 13159 states and 18591 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41)