/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -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--net--can--usb--esd_usb2.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 11:54:11,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 11:54:11,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 11:54:11,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 11:54:11,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 11:54:11,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 11:54:11,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 11:54:11,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 11:54:11,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 11:54:11,877 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 11:54:11,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 11:54:11,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 11:54:11,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 11:54:11,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 11:54:11,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 11:54:11,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 11:54:11,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 11:54:11,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 11:54:11,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 11:54:11,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 11:54:11,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 11:54:11,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 11:54:11,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 11:54:11,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 11:54:11,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 11:54:11,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 11:54:11,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 11:54:11,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 11:54:11,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 11:54:11,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 11:54:11,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 11:54:11,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:54:11,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 11:54:11,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 11:54:11,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 11:54:11,889 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 11:54:11,889 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 11:54:11,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 11:54:11,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 11:54:11,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 11:54:11,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 11:54:11,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 11:54:12,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 11:54:12,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 11:54:12,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 11:54:12,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 11:54:12,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 11:54:12,126 INFO L431 ainManager$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--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2024-11-06 11:54:13,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 11:54:13,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 11:54:13,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2024-11-06 11:54:13,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e1100ce0/32770410742b4c8f880bf73b11708118/FLAGddf5e8300 [2024-11-06 11:54:13,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e1100ce0/32770410742b4c8f880bf73b11708118 [2024-11-06 11:54:13,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 11:54:13,993 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 11:54:13,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 11:54:13,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 11:54:14,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 11:54:14,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:54:13" (1/1) ... [2024-11-06 11:54:14,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cecda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:14, skipping insertion in model container [2024-11-06 11:54:14,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:54:13" (1/1) ... [2024-11-06 11:54:14,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:54:14,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2024-11-06 11:54:14,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:14,953 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:14,955 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:14,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:14,974 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:14,986 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:14,996 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,007 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,016 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,023 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,033 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,034 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,034 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,049 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,052 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,069 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,078 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,082 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,088 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,089 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,098 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,099 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,109 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,111 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,112 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,118 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,128 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,132 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,142 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,143 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,144 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,147 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,149 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,155 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,181 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,188 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,191 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,191 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,191 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,192 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,192 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,330 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:54:15,364 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 11:54:15,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:54:15,493 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2024-11-06 11:54:15,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,516 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,517 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,520 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,521 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,522 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,525 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,526 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,528 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,529 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,530 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,531 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,531 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,531 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,532 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,533 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,537 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,538 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,541 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,541 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,543 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,543 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,544 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,545 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,546 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,547 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,547 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,548 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,549 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,550 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,554 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,554 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,556 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,559 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,559 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,560 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:54:15,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:54:15,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 11:54:15,742 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5448] [2024-11-06 11:54:15,744 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5455] [2024-11-06 11:54:15,745 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; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5463-5464] [2024-11-06 11:54:15,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5493] [2024-11-06 11:54:15,746 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; decl %0": "+m" (v->counter)); [5500] [2024-11-06 11:54:15,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2024-11-06 11:54:15,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:54:15,917 INFO L204 MainTranslator]: Completed translation [2024-11-06 11:54:15,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15 WrapperNode [2024-11-06 11:54:15,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 11:54:15,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 11:54:15,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 11:54:15,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 11:54:15,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:15,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,061 INFO L138 Inliner]: procedures = 170, calls = 852, calls flagged for inlining = 73, calls inlined = 73, statements flattened = 2453 [2024-11-06 11:54:16,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 11:54:16,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 11:54:16,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 11:54:16,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 11:54:16,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,445 INFO L175 MemorySlicer]: Split 518 memory accesses to 8 slices as follows [48, 2, 19, 19, 9, 9, 44, 368]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 5]. The 304 writes are split as follows [48, 0, 0, 11, 5, 0, 44, 196]. [2024-11-06 11:54:16,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 11:54:16,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 11:54:16,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 11:54:16,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 11:54:16,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (1/1) ... [2024-11-06 11:54:16,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:54:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:16,645 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) [2024-11-06 11:54:16,651 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 [2024-11-06 11:54:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-06 11:54:16,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-06 11:54:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2024-11-06 11:54:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2024-11-06 11:54:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 11:54:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 11:54:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 11:54:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 11:54:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 11:54:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 11:54:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_17 [2024-11-06 11:54:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_17 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2024-11-06 11:54:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 11:54:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 11:54:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 11:54:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 11:54:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 11:54:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 11:54:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-06 11:54:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-06 11:54:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-06 11:54:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-06 11:54:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 11:54:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 11:54:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 11:54:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 11:54:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 11:54:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 11:54:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 11:54:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 11:54:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 11:54:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 11:54:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-06 11:54:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-06 11:54:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2024-11-06 11:54:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2024-11-06 11:54:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-06 11:54:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-06 11:54:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-06 11:54:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-06 11:54:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-06 11:54:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-06 11:54:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-06 11:54:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-06 11:54:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 11:54:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 11:54:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-06 11:54:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-06 11:54:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 11:54:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-06 11:54:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 11:54:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 11:54:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 11:54:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 11:54:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 11:54:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 11:54:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 11:54:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-06 11:54:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-06 11:54:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 11:54:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 11:54:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 11:54:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 11:54:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 11:54:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 11:54:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 11:54:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 11:54:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 11:54:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 11:54:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 11:54:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-06 11:54:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-06 11:54:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 11:54:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-06 11:54:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-06 11:54:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-06 11:54:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-06 11:54:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2024-11-06 11:54:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2024-11-06 11:54:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 11:54:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-06 11:54:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-06 11:54:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-06 11:54:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 11:54:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 11:54:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-06 11:54:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-06 11:54:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-06 11:54:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-06 11:54:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-06 11:54:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-06 11:54:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 11:54:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-06 11:54:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 11:54:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 11:54:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 11:54:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 11:54:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-06 11:54:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-06 11:54:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 11:54:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_read_bulk_callback [2024-11-06 11:54:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_read_bulk_callback [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-06 11:54:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-06 11:54:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-06 11:54:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_send_msg [2024-11-06 11:54:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_send_msg [2024-11-06 11:54:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-06 11:54:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-06 11:54:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-06 11:54:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-06 11:54:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-06 11:54:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-06 11:54:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-06 11:54:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-06 11:54:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-06 11:54:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-06 11:54:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-06 11:54:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-06 11:54:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-06 11:54:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-06 11:54:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-06 11:54:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-06 11:54:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-06 11:54:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-06 11:54:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-06 11:54:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-06 11:54:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 11:54:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 11:54:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-06 11:54:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-06 11:54:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_disconnect [2024-11-06 11:54:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_disconnect [2024-11-06 11:54:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 11:54:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 11:54:17,220 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 11:54:17,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 11:54:17,337 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 11:54:17,623 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-06 11:54:46,289 INFO L? ?]: Removed 1023 outVars from TransFormulas that were not future-live. [2024-11-06 11:54:46,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 11:54:46,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 11:54:46,321 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-06 11:54:46,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:54:46 BoogieIcfgContainer [2024-11-06 11:54:46,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 11:54:46,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 11:54:46,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 11:54:46,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 11:54:46,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:54:13" (1/3) ... [2024-11-06 11:54:46,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3776808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:54:46, skipping insertion in model container [2024-11-06 11:54:46,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:54:15" (2/3) ... [2024-11-06 11:54:46,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3776808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:54:46, skipping insertion in model container [2024-11-06 11:54:46,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:54:46" (3/3) ... [2024-11-06 11:54:46,330 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2024-11-06 11:54:46,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 11:54:46,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 11:54:46,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 11:54:46,427 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;@44f9019b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 11:54:46,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 11:54:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 756 states, 538 states have (on average 1.325278810408922) internal successors, (713), 564 states have internal predecessors, (713), 167 states have call successors, (167), 51 states have call predecessors, (167), 49 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-06 11:54:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-06 11:54:46,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:46,451 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:54:46,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:46,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:46,456 INFO L85 PathProgramCache]: Analyzing trace with hash -624735149, now seen corresponding path program 1 times [2024-11-06 11:54:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:46,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032124983] [2024-11-06 11:54:46,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:46,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:54:46,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 11:54:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:54:51,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:54:51,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:54:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-06 11:54:51,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:54:51,813 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:54:51,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032124983] [2024-11-06 11:54:51,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032124983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:54:51,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:54:51,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:54:51,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759865802] [2024-11-06 11:54:51,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:54:51,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:54:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:54:51,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:54:51,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:51,863 INFO L87 Difference]: Start difference. First operand has 756 states, 538 states have (on average 1.325278810408922) internal successors, (713), 564 states have internal predecessors, (713), 167 states have call successors, (167), 51 states have call predecessors, (167), 49 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-06 11:54:56,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:54:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:54:57,005 INFO L93 Difference]: Finished difference Result 2206 states and 3091 transitions. [2024-11-06 11:54:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:54:57,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 83 [2024-11-06 11:54:57,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:54:57,068 INFO L225 Difference]: With dead ends: 2206 [2024-11-06 11:54:57,069 INFO L226 Difference]: Without dead ends: 1427 [2024-11-06 11:54:57,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:54:57,087 INFO L432 NwaCegarLoop]: 1038 mSDtfsCounter, 956 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-06 11:54:57,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 2049 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-06 11:54:57,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2024-11-06 11:54:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1427. [2024-11-06 11:54:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1032 states have (on average 1.308139534883721) internal successors, (1350), 1058 states have internal predecessors, (1350), 298 states have call successors, (298), 97 states have call predecessors, (298), 96 states have return successors, (293), 289 states have call predecessors, (293), 293 states have call successors, (293) [2024-11-06 11:54:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 1941 transitions. [2024-11-06 11:54:57,264 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 1941 transitions. Word has length 83 [2024-11-06 11:54:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:54:57,265 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 1941 transitions. [2024-11-06 11:54:57,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-06 11:54:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1941 transitions. [2024-11-06 11:54:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-06 11:54:57,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:54:57,270 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:54:57,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 11:54:57,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:57,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:54:57,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:54:57,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1733647139, now seen corresponding path program 1 times [2024-11-06 11:54:57,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:54:57,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087762215] [2024-11-06 11:54:57,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:54:57,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:54:57,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:54:57,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:54:57,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 11:55:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:55:02,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 1757 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 11:55:02,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:55:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-06 11:55:14,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:55:14,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:55:14,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087762215] [2024-11-06 11:55:14,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087762215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:55:14,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:55:14,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:55:14,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934515886] [2024-11-06 11:55:14,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:55:14,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:55:14,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:55:14,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:55:14,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:55:14,807 INFO L87 Difference]: Start difference. First operand 1427 states and 1941 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 11:55:15,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:55:15,624 INFO L93 Difference]: Finished difference Result 4230 states and 5766 transitions. [2024-11-06 11:55:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:55:15,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 93 [2024-11-06 11:55:15,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:55:15,641 INFO L225 Difference]: With dead ends: 4230 [2024-11-06 11:55:15,641 INFO L226 Difference]: Without dead ends: 2828 [2024-11-06 11:55:15,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:55:15,647 INFO L432 NwaCegarLoop]: 1371 mSDtfsCounter, 946 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 11:55:15,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 2329 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 11:55:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-11-06 11:55:15,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2818. [2024-11-06 11:55:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2818 states, 2045 states have (on average 1.3080684596577017) internal successors, (2675), 2093 states have internal predecessors, (2675), 580 states have call successors, (580), 193 states have call predecessors, (580), 192 states have return successors, (585), 567 states have call predecessors, (585), 575 states have call successors, (585) [2024-11-06 11:55:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3840 transitions. [2024-11-06 11:55:15,776 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3840 transitions. Word has length 93 [2024-11-06 11:55:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:55:15,776 INFO L471 AbstractCegarLoop]: Abstraction has 2818 states and 3840 transitions. [2024-11-06 11:55:15,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 11:55:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3840 transitions. [2024-11-06 11:55:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-06 11:55:15,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:55:15,779 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:55:15,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-06 11:55:15,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:55:15,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:55:15,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:55:15,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2091856443, now seen corresponding path program 1 times [2024-11-06 11:55:15,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:55:15,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047309577] [2024-11-06 11:55:15,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:55:15,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:55:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:55:15,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:55:15,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 11:55:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:55:20,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 11:55:20,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:55:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-06 11:55:33,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:55:33,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:55:33,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047309577] [2024-11-06 11:55:33,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047309577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:55:33,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:55:33,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:55:33,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188961452] [2024-11-06 11:55:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:55:33,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:55:33,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:55:33,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:55:33,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:55:33,039 INFO L87 Difference]: Start difference. First operand 2818 states and 3840 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 11:55:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:55:33,166 INFO L93 Difference]: Finished difference Result 2820 states and 3841 transitions. [2024-11-06 11:55:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:55:33,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 94 [2024-11-06 11:55:33,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:55:33,183 INFO L225 Difference]: With dead ends: 2820 [2024-11-06 11:55:33,183 INFO L226 Difference]: Without dead ends: 2817 [2024-11-06 11:55:33,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:55:33,186 INFO L432 NwaCegarLoop]: 1003 mSDtfsCounter, 946 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 1003 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 [2024-11-06 11:55:33,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 1003 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 11:55:33,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2024-11-06 11:55:33,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2817. [2024-11-06 11:55:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2817 states, 2045 states have (on average 1.3075794621026895) internal successors, (2674), 2092 states have internal predecessors, (2674), 579 states have call successors, (579), 193 states have call predecessors, (579), 192 states have return successors, (585), 567 states have call predecessors, (585), 575 states have call successors, (585) [2024-11-06 11:55:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3838 transitions. [2024-11-06 11:55:33,319 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3838 transitions. Word has length 94 [2024-11-06 11:55:33,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:55:33,322 INFO L471 AbstractCegarLoop]: Abstraction has 2817 states and 3838 transitions. [2024-11-06 11:55:33,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 11:55:33,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3838 transitions. [2024-11-06 11:55:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-06 11:55:33,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:55:33,326 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:55:33,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-06 11:55:33,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:55:33,527 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:55:33,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:55:33,527 INFO L85 PathProgramCache]: Analyzing trace with hash -423378330, now seen corresponding path program 1 times [2024-11-06 11:55:33,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:55:33,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293410570] [2024-11-06 11:55:33,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:55:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:55:33,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:55:33,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:55:33,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 11:55:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:55:38,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:55:38,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:55:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-06 11:55:44,639 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:55:44,640 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:55:44,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293410570] [2024-11-06 11:55:44,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293410570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:55:44,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:55:44,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 11:55:44,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842787904] [2024-11-06 11:55:44,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:55:44,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:55:44,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:55:44,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:55:44,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:55:44,644 INFO L87 Difference]: Start difference. First operand 2817 states and 3838 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 11:55:44,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:55:44,822 INFO L93 Difference]: Finished difference Result 2819 states and 3839 transitions. [2024-11-06 11:55:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:55:44,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2024-11-06 11:55:44,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:55:44,835 INFO L225 Difference]: With dead ends: 2819 [2024-11-06 11:55:44,836 INFO L226 Difference]: Without dead ends: 2816 [2024-11-06 11:55:44,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:55:44,838 INFO L432 NwaCegarLoop]: 1001 mSDtfsCounter, 943 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1001 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 [2024-11-06 11:55:44,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1001 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 11:55:44,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2024-11-06 11:55:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2816. [2024-11-06 11:55:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2816 states, 2045 states have (on average 1.3070904645476773) internal successors, (2673), 2091 states have internal predecessors, (2673), 578 states have call successors, (578), 193 states have call predecessors, (578), 192 states have return successors, (585), 567 states have call predecessors, (585), 575 states have call successors, (585) [2024-11-06 11:55:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 3836 transitions. [2024-11-06 11:55:44,976 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 3836 transitions. Word has length 95 [2024-11-06 11:55:44,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:55:44,977 INFO L471 AbstractCegarLoop]: Abstraction has 2816 states and 3836 transitions. [2024-11-06 11:55:44,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 11:55:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3836 transitions. [2024-11-06 11:55:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-06 11:55:44,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:55:44,980 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:55:45,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 11:55:45,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:55:45,180 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:55:45,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:55:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash -240159512, now seen corresponding path program 1 times [2024-11-06 11:55:45,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:55:45,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010683259] [2024-11-06 11:55:45,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:55:45,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:55:45,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:55:45,184 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:55:45,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 11:55:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:55:50,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 1760 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:55:50,181 INFO L278 TraceCheckSpWp]: Computing forward predicates...