/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-356b6ba-m [2024-11-01 15:06:40,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 15:06:40,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 15:06:40,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 15:06:40,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 15:06:40,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 15:06:40,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 15:06:40,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 15:06:40,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 15:06:40,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 15:06:40,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 15:06:40,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 15:06:40,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 15:06:40,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 15:06:40,864 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 15:06:40,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 15:06:40,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 15:06:40,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 15:06:40,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 15:06:40,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 15:06:40,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 15:06:40,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 15:06:40,866 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 15:06:40,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 15:06:40,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 15:06:40,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 15:06:40,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 15:06:40,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 15:06:40,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 15:06:40,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 15:06:40,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 15:06:40,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:06:40,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 15:06:40,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 15:06:40,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 15:06:40,869 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 15:06:40,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 15:06:40,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 15:06:40,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 15:06:40,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 15:06:40,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 15:06:40,872 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 15:06:40,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:06:41,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 15:06:41,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 15:06:41,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 15:06:41,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 15:06:41,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 15:06:41,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 15:06:42,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 15:06:43,065 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 15:06:43,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 15:06:43,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a450ef53/dd31088292424056b23f6a00f94502e3/FLAG9a0cf4896 [2024-11-01 15:06:43,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a450ef53/dd31088292424056b23f6a00f94502e3 [2024-11-01 15:06:43,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 15:06:43,119 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 15:06:43,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 15:06:43,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 15:06:43,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 15:06:43,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:06:43" (1/1) ... [2024-11-01 15:06:43,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fa7aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:43, skipping insertion in model container [2024-11-01 15:06:43,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:06:43" (1/1) ... [2024-11-01 15:06:43,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 15:06:44,116 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-01 15:06:44,154 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,262 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,320 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,346 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,360 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,365 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,366 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,401 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,402 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,403 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,403 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,404 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,431 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,439 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,449 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,451 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,452 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,466 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,467 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,470 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,471 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,471 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,473 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,473 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,479 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,480 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,480 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,485 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,583 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,588 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,589 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,605 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,606 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,606 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,607 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,607 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,610 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,725 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:06:44,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:06:44,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 15:06:44,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-11-01 15:06:44,898 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-01 15:06:45,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:06:45,128 INFO L204 MainTranslator]: Completed translation [2024-11-01 15:06:45,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45 WrapperNode [2024-11-01 15:06:45,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 15:06:45,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 15:06:45,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 15:06:45,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 15:06:45,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,274 INFO L138 Inliner]: procedures = 170, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1601 [2024-11-01 15:06:45,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 15:06:45,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 15:06:45,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 15:06:45,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 15:06:45,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,546 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [3, 2, 26, 44, 17, 6, 158]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [0, 2, 26, 0, 0, 6, 0]. The 114 writes are split as follows [2, 0, 0, 44, 17, 0, 51]. [2024-11-01 15:06:45,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 15:06:45,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 15:06:45,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 15:06:45,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 15:06:45,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (1/1) ... [2024-11-01 15:06:45,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:06:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 15:06:45,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 15:06:45,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 15:06:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-01 15:06:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-01 15:06:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-01 15:06:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-01 15:06:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 15:06:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-01 15:06:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-01 15:06:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-01 15:06:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-01 15:06:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-01 15:06:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-01 15:06:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-01 15:06:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 15:06:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 15:06:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 15:06:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 15:06:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 15:06:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-01 15:06:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-01 15:06:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-01 15:06:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-01 15:06:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-01 15:06:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-01 15:06:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-01 15:06:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-01 15:06:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-01 15:06:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-01 15:06:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-01 15:06:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-01 15:06:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-01 15:06:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-01 15:06:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-01 15:06:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-01 15:06:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-01 15:06:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 15:06:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 15:06:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-01 15:06:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-01 15:06:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-01 15:06:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-01 15:06:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-01 15:06:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-01 15:06:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-01 15:06:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-01 15:06:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-01 15:06:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-01 15:06:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-01 15:06:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-01 15:06:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 15:06:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 15:06:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 15:06:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 15:06:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 15:06:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 15:06:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 15:06:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 15:06:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 15:06:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-01 15:06:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-01 15:06:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-01 15:06:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-01 15:06:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 15:06:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 15:06:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-01 15:06:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-01 15:06:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 15:06:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-01 15:06:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-01 15:06:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-01 15:06:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-01 15:06:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-01 15:06:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-01 15:06:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-01 15:06:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-01 15:06:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-01 15:06:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 15:06:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-01 15:06:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 15:06:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 15:06:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 15:06:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-01 15:06:45,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-01 15:06:45,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-01 15:06:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-01 15:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-01 15:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-01 15:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-01 15:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-01 15:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-01 15:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-01 15:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-01 15:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-01 15:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-01 15:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-01 15:06:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-01 15:06:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 15:06:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 15:06:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 15:06:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 15:06:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 15:06:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 15:06:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 15:06:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 15:06:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 15:06:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-01 15:06:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 15:06:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 15:06:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 15:06:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-01 15:06:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 15:06:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 15:06:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 15:06:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-01 15:06:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-01 15:06:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-01 15:06:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-01 15:06:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-01 15:06:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-01 15:06:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-01 15:06:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-01 15:06:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-01 15:06:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-01 15:06:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 15:06:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-01 15:06:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 15:06:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 15:06:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-01 15:06:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-01 15:06:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-01 15:06:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-01 15:06:46,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 15:06:46,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 15:06:46,414 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 15:06:47,836 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-01 15:07:03,991 INFO L? ?]: Removed 870 outVars from TransFormulas that were not future-live. [2024-11-01 15:07:03,991 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 15:07:04,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 15:07:04,038 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 15:07:04,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:07:04 BoogieIcfgContainer [2024-11-01 15:07:04,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 15:07:04,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 15:07:04,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 15:07:04,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 15:07:04,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:06:43" (1/3) ... [2024-11-01 15:07:04,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b46901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:07:04, skipping insertion in model container [2024-11-01 15:07:04,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:06:45" (2/3) ... [2024-11-01 15:07:04,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b46901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:07:04, skipping insertion in model container [2024-11-01 15:07:04,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:07:04" (3/3) ... [2024-11-01 15:07:04,047 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 15:07:04,065 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 15:07:04,065 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 15:07:04,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 15:07:04,155 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;@2d82dc7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 15:07:04,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 15:07:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 800 states, 543 states have (on average 1.3388581952117864) internal successors, (727), 569 states have internal predecessors, (727), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-01 15:07:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-01 15:07:04,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:07:04,179 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 15:07:04,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:07:04,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:07:04,184 INFO L85 PathProgramCache]: Analyzing trace with hash 37679183, now seen corresponding path program 1 times [2024-11-01 15:07:04,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:07:04,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497291587] [2024-11-01 15:07:04,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:07:04,195 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 [2024-11-01 15:07:04,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:07:04,198 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) [2024-11-01 15:07:04,202 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 [2024-11-01 15:07:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:07:05,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 15:07:05,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:07:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 15:07:05,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:07:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 15:07:06,349 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:07:06,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497291587] [2024-11-01 15:07:06,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1497291587] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:07:06,350 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:07:06,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 15:07:06,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905420556] [2024-11-01 15:07:06,351 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:07:06,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:07:06,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:07:06,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:07:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:07:06,380 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) [2024-11-01 15:07:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:07:06,722 INFO L93 Difference]: Finished difference Result 1597 states and 2270 transitions. [2024-11-01 15:07:06,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:07:06,726 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 [2024-11-01 15:07:06,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:07:06,746 INFO L225 Difference]: With dead ends: 1597 [2024-11-01 15:07:06,746 INFO L226 Difference]: Without dead ends: 788 [2024-11-01 15:07:06,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:07:06,763 INFO L432 NwaCegarLoop]: 1112 mSDtfsCounter, 0 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 15:07:06,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3330 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 15:07:06,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-01 15:07:06,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2024-11-01 15:07:06,882 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) [2024-11-01 15:07:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1097 transitions. [2024-11-01 15:07:06,897 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1097 transitions. Word has length 56 [2024-11-01 15:07:06,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:07:06,899 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1097 transitions. [2024-11-01 15:07:06,899 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) [2024-11-01 15:07:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1097 transitions. [2024-11-01 15:07:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-01 15:07:06,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:07:06,907 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] [2024-11-01 15:07:06,933 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 [2024-11-01 15:07:07,108 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 [2024-11-01 15:07:07,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:07:07,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:07:07,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1537788559, now seen corresponding path program 1 times [2024-11-01 15:07:07,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:07:07,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675529769] [2024-11-01 15:07:07,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:07:07,110 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 [2024-11-01 15:07:07,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:07:07,124 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) [2024-11-01 15:07:07,125 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 [2024-11-01 15:07:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:07:08,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 15:07:08,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:07:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 15:07:08,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:07:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 15:07:10,115 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:07:10,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675529769] [2024-11-01 15:07:10,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [675529769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 15:07:10,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 15:07:10,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-01 15:07:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525113012] [2024-11-01 15:07:10,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 15:07:10,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 15:07:10,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:07:10,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 15:07:10,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-01 15:07:10,119 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) [2024-11-01 15:07:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:07:10,819 INFO L93 Difference]: Finished difference Result 1562 states and 2176 transitions. [2024-11-01 15:07:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 15:07:10,821 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 [2024-11-01 15:07:10,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:07:10,828 INFO L225 Difference]: With dead ends: 1562 [2024-11-01 15:07:10,828 INFO L226 Difference]: Without dead ends: 790 [2024-11-01 15:07:10,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-01 15:07:10,832 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 [2024-11-01 15:07:10,833 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] [2024-11-01 15:07:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-01 15:07:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-01 15:07:10,868 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) [2024-11-01 15:07:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1099 transitions. [2024-11-01 15:07:10,875 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1099 transitions. Word has length 58 [2024-11-01 15:07:10,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:07:10,876 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1099 transitions. [2024-11-01 15:07:10,876 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) [2024-11-01 15:07:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1099 transitions. [2024-11-01 15:07:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-01 15:07:10,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:07:10,878 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] [2024-11-01 15:07:10,901 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 [2024-11-01 15:07:11,079 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 [2024-11-01 15:07:11,080 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:07:11,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:07:11,080 INFO L85 PathProgramCache]: Analyzing trace with hash 33887439, now seen corresponding path program 2 times [2024-11-01 15:07:11,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:07:11,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427833629] [2024-11-01 15:07:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:07:11,081 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 [2024-11-01 15:07:11,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:07:11,084 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) [2024-11-01 15:07:11,086 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 [2024-11-01 15:07:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:07:12,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:07:12,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:07:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:12,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:07:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:13,190 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:07:13,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427833629] [2024-11-01 15:07:13,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1427833629] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:07:13,190 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:07:13,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 15:07:13,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419911612] [2024-11-01 15:07:13,191 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:07:13,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:07:13,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:07:13,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:07:13,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:07:13,192 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) [2024-11-01 15:07:17,235 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 [] [2024-11-01 15:07:25,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:07:25,695 INFO L93 Difference]: Finished difference Result 3005 states and 4191 transitions. [2024-11-01 15:07:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:07:25,696 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 [2024-11-01 15:07:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:07:25,714 INFO L225 Difference]: With dead ends: 3005 [2024-11-01 15:07:25,714 INFO L226 Difference]: Without dead ends: 2234 [2024-11-01 15:07:25,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:07:25,721 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 2063 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-01 15:07:25,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 3805 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2024-11-01 15:07:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2024-11-01 15:07:25,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2234. [2024-11-01 15:07:25,888 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) [2024-11-01 15:07:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 3113 transitions. [2024-11-01 15:07:25,901 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 3113 transitions. Word has length 60 [2024-11-01 15:07:25,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:07:25,903 INFO L471 AbstractCegarLoop]: Abstraction has 2234 states and 3113 transitions. [2024-11-01 15:07:25,903 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) [2024-11-01 15:07:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 3113 transitions. [2024-11-01 15:07:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-01 15:07:25,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:07:25,905 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] [2024-11-01 15:07:25,927 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 (4)] Ended with exit code 0 [2024-11-01 15:07:26,105 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 [2024-11-01 15:07:26,106 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:07:26,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:07:26,107 INFO L85 PathProgramCache]: Analyzing trace with hash -797739481, now seen corresponding path program 1 times [2024-11-01 15:07:26,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:07:26,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063370929] [2024-11-01 15:07:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:07:26,107 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 [2024-11-01 15:07:26,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:07:26,111 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) [2024-11-01 15:07:26,112 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 [2024-11-01 15:07:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:07:27,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 15:07:27,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:07:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:31,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:07:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:33,222 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:07:33,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063370929] [2024-11-01 15:07:33,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2063370929] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:07:33,223 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:07:33,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 15:07:33,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902859228] [2024-11-01 15:07:33,223 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:07:33,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:07:33,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:07:33,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:07:33,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:07:33,224 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) [2024-11-01 15:07:34,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:07:34,843 INFO L93 Difference]: Finished difference Result 6651 states and 9411 transitions. [2024-11-01 15:07:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:07:34,844 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 [2024-11-01 15:07:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:07:34,878 INFO L225 Difference]: With dead ends: 6651 [2024-11-01 15:07:34,879 INFO L226 Difference]: Without dead ends: 4443 [2024-11-01 15:07:34,892 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 [2024-11-01 15:07:34,894 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 1748 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-01 15:07:34,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 2211 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-01 15:07:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2024-11-01 15:07:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4431. [2024-11-01 15:07:35,132 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) [2024-11-01 15:07:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 4431 states and 6230 transitions. [2024-11-01 15:07:35,171 INFO L78 Accepts]: Start accepts. Automaton has 4431 states and 6230 transitions. Word has length 63 [2024-11-01 15:07:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:07:35,176 INFO L471 AbstractCegarLoop]: Abstraction has 4431 states and 6230 transitions. [2024-11-01 15:07:35,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 15:07:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4431 states and 6230 transitions. [2024-11-01 15:07:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-01 15:07:35,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:07:35,180 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] [2024-11-01 15:07:35,222 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 [2024-11-01 15:07:35,381 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 [2024-11-01 15:07:35,381 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:07:35,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:07:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1039415873, now seen corresponding path program 1 times [2024-11-01 15:07:35,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:07:35,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258409400] [2024-11-01 15:07:35,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:07:35,382 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 [2024-11-01 15:07:35,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:07:35,386 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) [2024-11-01 15:07:35,389 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 [2024-11-01 15:07:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:07:36,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 15:07:36,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:07:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:41,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:07:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:42,841 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:07:42,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258409400] [2024-11-01 15:07:42,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1258409400] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:07:42,842 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:07:42,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 15:07:42,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190427214] [2024-11-01 15:07:42,842 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:07:42,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:07:42,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:07:42,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:07:42,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:07:42,843 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) [2024-11-01 15:07:52,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:07:52,348 INFO L93 Difference]: Finished difference Result 17596 states and 25174 transitions. [2024-11-01 15:07:52,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:07:52,349 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 [2024-11-01 15:07:52,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:07:52,449 INFO L225 Difference]: With dead ends: 17596 [2024-11-01 15:07:52,449 INFO L226 Difference]: Without dead ends: 13191 [2024-11-01 15:07:52,478 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 [2024-11-01 15:07:52,479 INFO L432 NwaCegarLoop]: 1206 mSDtfsCounter, 2768 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s 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, 8.9s IncrementalHoareTripleChecker+Time [2024-11-01 15:07:52,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 2946 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-01 15:07:52,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2024-11-01 15:07:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 13148. [2024-11-01 15:07:53,464 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) [2024-11-01 15:07:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13148 states to 13148 states and 18584 transitions. [2024-11-01 15:07:53,544 INFO L78 Accepts]: Start accepts. Automaton has 13148 states and 18584 transitions. Word has length 64 [2024-11-01 15:07:53,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:07:53,546 INFO L471 AbstractCegarLoop]: Abstraction has 13148 states and 18584 transitions. [2024-11-01 15:07:53,547 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) [2024-11-01 15:07:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 13148 states and 18584 transitions. [2024-11-01 15:07:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-01 15:07:53,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:07:53,549 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] [2024-11-01 15:07:53,580 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 [2024-11-01 15:07:53,750 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 [2024-11-01 15:07:53,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:07:53,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:07:53,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2138305430, now seen corresponding path program 1 times [2024-11-01 15:07:53,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:07:53,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557491471] [2024-11-01 15:07:53,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:07:53,751 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 [2024-11-01 15:07:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:07:53,755 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) [2024-11-01 15:07:53,756 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 [2024-11-01 15:07:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:07:54,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:07:54,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:07:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:57,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:07:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:07:58,818 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:07:58,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557491471] [2024-11-01 15:07:58,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [557491471] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:07:58,818 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:07:58,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 15:07:58,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893323834] [2024-11-01 15:07:58,819 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:07:58,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:07:58,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:07:58,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:07:58,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:07:58,819 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) [2024-11-01 15:07:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:07:59,507 INFO L93 Difference]: Finished difference Result 13186 states and 18624 transitions. [2024-11-01 15:07:59,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:07:59,508 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 [2024-11-01 15:07:59,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:07:59,600 INFO L225 Difference]: With dead ends: 13186 [2024-11-01 15:07:59,600 INFO L226 Difference]: Without dead ends: 13183 [2024-11-01 15:07:59,607 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 [2024-11-01 15:07:59,609 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 [2024-11-01 15:07:59,609 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] [2024-11-01 15:07:59,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13183 states. [2024-11-01 15:08:00,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13183 to 13180. [2024-11-01 15:08:00,460 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) [2024-11-01 15:08:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 18619 transitions. [2024-11-01 15:08:00,521 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 18619 transitions. Word has length 65 [2024-11-01 15:08:00,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:08:00,521 INFO L471 AbstractCegarLoop]: Abstraction has 13180 states and 18619 transitions. [2024-11-01 15:08:00,522 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) [2024-11-01 15:08:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 18619 transitions. [2024-11-01 15:08:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-01 15:08:00,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:00,524 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] [2024-11-01 15:08:00,547 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 [2024-11-01 15:08:00,725 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 [2024-11-01 15:08:00,725 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:08:00,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:08:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1863413148, now seen corresponding path program 1 times [2024-11-01 15:08:00,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:08:00,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667611178] [2024-11-01 15:08:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:08:00,726 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 [2024-11-01 15:08:00,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:08:00,727 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) [2024-11-01 15:08:00,728 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 [2024-11-01 15:08:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:08:01,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:08:01,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:08:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:08:04,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:08:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 15:08:05,697 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:08:05,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667611178] [2024-11-01 15:08:05,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1667611178] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:08:05,698 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:08:05,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 15:08:05,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037842057] [2024-11-01 15:08:05,698 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:08:05,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:08:05,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:08:05,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:08:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:08:05,699 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) [2024-11-01 15:08:06,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:08:06,217 INFO L93 Difference]: Finished difference Result 13182 states and 18620 transitions. [2024-11-01 15:08:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:08:06,217 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 [2024-11-01 15:08:06,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:08:06,284 INFO L225 Difference]: With dead ends: 13182 [2024-11-01 15:08:06,284 INFO L226 Difference]: Without dead ends: 13179 [2024-11-01 15:08:06,294 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 [2024-11-01 15:08:06,294 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 [2024-11-01 15:08:06,295 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] [2024-11-01 15:08:06,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13179 states. [2024-11-01 15:08:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13179 to 13179. [2024-11-01 15:08:07,298 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) [2024-11-01 15:08:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13179 states to 13179 states and 18617 transitions. [2024-11-01 15:08:07,353 INFO L78 Accepts]: Start accepts. Automaton has 13179 states and 18617 transitions. Word has length 66 [2024-11-01 15:08:07,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:08:07,353 INFO L471 AbstractCegarLoop]: Abstraction has 13179 states and 18617 transitions. [2024-11-01 15:08:07,353 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) [2024-11-01 15:08:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 13179 states and 18617 transitions. [2024-11-01 15:08:07,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-01 15:08:07,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:07,355 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] [2024-11-01 15:08:07,376 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 (8)] Forceful destruction successful, exit code 0