/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-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 10:54:36,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 10:54:36,180 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 10:54:36,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 10:54:36,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 10:54:36,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 10:54:36,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 10:54:36,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 10:54:36,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 10:54:36,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 10:54:36,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 10:54:36,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 10:54:36,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 10:54:36,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 10:54:36,219 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 10:54:36,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 10:54:36,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 10:54:36,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 10:54:36,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 10:54:36,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 10:54:36,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 10:54:36,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 10:54:36,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 10:54:36,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 10:54:36,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 10:54:36,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 10:54:36,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 10:54:36,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 10:54:36,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 10:54:36,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 10:54:36,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 10:54:36,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 10:54:36,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 10:54:36,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 10:54:36,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 10:54:36,227 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 10:54:36,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 10:54:36,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 10:54:36,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 10:54:36,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 10:54:36,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 10:54:36,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 10:54:36,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 10:54:36,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 10:54:36,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 10:54:36,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 10:54:36,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 10:54:36,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-06 10:54:37,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 10:54:38,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 10:54:38,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-06 10:54:38,307 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6674fb2e6/ecf1a65bfe584552953a7c74ac64e237/FLAG802292579 [2024-11-06 10:54:38,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6674fb2e6/ecf1a65bfe584552953a7c74ac64e237 [2024-11-06 10:54:38,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 10:54:38,327 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 10:54:38,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 10:54:38,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 10:54:38,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 10:54:38,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:38" (1/1) ... [2024-11-06 10:54:38,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddc222a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:38, skipping insertion in model container [2024-11-06 10:54:38,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:38" (1/1) ... [2024-11-06 10:54:38,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 10:54:39,039 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 10:54:39,051 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 10:54:39,063 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 10:54:39,069 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 10:54:39,070 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 10:54:39,081 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 10:54:39,088 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 10:54:39,093 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 10:54:39,097 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 10:54:39,100 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 10:54:39,107 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 10:54:39,107 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 10:54:39,111 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 10:54:39,111 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 10:54:39,112 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 10:54:39,121 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 10:54:39,122 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 10:54:39,122 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 10:54:39,153 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-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2024-11-06 10:54:39,172 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 10:54:39,173 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 10:54:39,194 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 10:54:39,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 10:54:39,238 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 10:54:39,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 10:54:39,378 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 10:54:39,385 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 10:54:39,393 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 10:54:39,395 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 10:54:39,396 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 10:54:39,402 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 10:54:39,403 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 10:54:39,404 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 10:54:39,405 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 10:54:39,408 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 10:54:39,414 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 10:54:39,415 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 10:54:39,418 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 10:54:39,418 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 10:54:39,419 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 10:54:39,420 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 10:54:39,423 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 10:54:39,423 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 10:54:39,431 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-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2024-11-06 10:54:39,440 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 10:54:39,440 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 10:54:39,444 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 10:54:39,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 10:54:39,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 10:54:39,608 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-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2024-11-06 10:54:39,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 10:54:39,670 INFO L204 MainTranslator]: Completed translation [2024-11-06 10:54:39,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39 WrapperNode [2024-11-06 10:54:39,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 10:54:39,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 10:54:39,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 10:54:39,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 10:54:39,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,785 INFO L138 Inliner]: procedures = 88, calls = 266, calls flagged for inlining = 29, calls inlined = 26, statements flattened = 935 [2024-11-06 10:54:39,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 10:54:39,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 10:54:39,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 10:54:39,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 10:54:39,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,909 INFO L175 MemorySlicer]: Split 160 memory accesses to 6 slices as follows [2, 42, 6, 8, 20, 82]. 51 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 6, 8, 1, 6]. The 103 writes are split as follows [0, 42, 0, 0, 19, 42]. [2024-11-06 10:54:39,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 10:54:39,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 10:54:39,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 10:54:39,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 10:54:39,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (1/1) ... [2024-11-06 10:54:39,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 10:54:40,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:54:40,017 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 10:54:40,020 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 10:54:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2024-11-06 10:54:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2024-11-06 10:54:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 10:54:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-06 10:54:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 10:54:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-06 10:54:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2024-11-06 10:54:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 10:54:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 10:54:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 10:54:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-06 10:54:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-06 10:54:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 10:54:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 10:54:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 10:54:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 10:54:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 10:54:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 10:54:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-06 10:54:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-06 10:54:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 10:54:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 10:54:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 10:54:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-06 10:54:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-06 10:54:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-06 10:54:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 10:54:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 10:54:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 10:54:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 10:54:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 10:54:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 10:54:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 10:54:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 10:54:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 10:54:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 10:54:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 10:54:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-06 10:54:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-06 10:54:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 10:54:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 10:54:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 10:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 10:54:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 10:54:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 10:54:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 10:54:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-06 10:54:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-06 10:54:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-06 10:54:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-06 10:54:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 10:54:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 10:54:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 10:54:40,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 10:54:40,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 10:54:40,480 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-06 10:54:40,568 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-06 10:54:57,418 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-06 10:54:57,419 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-06 10:54:57,502 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-06 10:54:57,502 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 10:54:57,534 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 10:54:57,536 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-06 10:54:57,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:57 BoogieIcfgContainer [2024-11-06 10:54:57,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 10:54:57,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 10:54:57,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 10:54:57,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 10:54:57,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:38" (1/3) ... [2024-11-06 10:54:57,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23537847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:57, skipping insertion in model container [2024-11-06 10:54:57,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:39" (2/3) ... [2024-11-06 10:54:57,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23537847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:57, skipping insertion in model container [2024-11-06 10:54:57,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:57" (3/3) ... [2024-11-06 10:54:57,544 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-06 10:54:57,559 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 10:54:57,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 10:54:57,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 10:54:57,631 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;@38374457, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 10:54:57,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 10:54:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 131 states have internal predecessors, (163), 30 states have call successors, (30), 15 states have call predecessors, (30), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-06 10:54:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-06 10:54:57,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:54:57,645 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:54:57,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:54:57,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:54:57,652 INFO L85 PathProgramCache]: Analyzing trace with hash 670907355, now seen corresponding path program 1 times [2024-11-06 10:54:57,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:54:57,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321872421] [2024-11-06 10:54:57,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:54:57,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:54:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:54:57,671 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 10:54:57,672 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 10:55:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:55:00,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 10:55:00,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:55:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 10:55:02,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:55:02,011 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:55:02,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321872421] [2024-11-06 10:55:02,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321872421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:55:02,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:55:02,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 10:55:02,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679982293] [2024-11-06 10:55:02,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:55:02,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 10:55:02,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:55:02,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 10:55:02,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 10:55:02,049 INFO L87 Difference]: Start difference. First operand has 169 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 131 states have internal predecessors, (163), 30 states have call successors, (30), 15 states have call predecessors, (30), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-06 10:55:02,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:55:02,512 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2024-11-06 10:55:02,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 10:55:02,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-06 10:55:02,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:55:02,527 INFO L225 Difference]: With dead ends: 455 [2024-11-06 10:55:02,527 INFO L226 Difference]: Without dead ends: 294 [2024-11-06 10:55:02,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 10:55:02,539 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 184 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 10:55:02,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 402 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 10:55:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-06 10:55:02,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 290. [2024-11-06 10:55:02,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 215 states have (on average 1.2232558139534884) internal successors, (263), 219 states have internal predecessors, (263), 50 states have call successors, (50), 25 states have call predecessors, (50), 24 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-06 10:55:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 359 transitions. [2024-11-06 10:55:02,608 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 359 transitions. Word has length 17 [2024-11-06 10:55:02,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:55:02,609 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 359 transitions. [2024-11-06 10:55:02,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-06 10:55:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 359 transitions. [2024-11-06 10:55:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-06 10:55:02,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:55:02,610 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:55:02,630 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 10:55:02,812 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 10:55:02,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:55:02,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:55:02,813 INFO L85 PathProgramCache]: Analyzing trace with hash -676819130, now seen corresponding path program 1 times [2024-11-06 10:55:02,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:55:02,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658316472] [2024-11-06 10:55:02,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:55:02,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:55:02,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:55:02,817 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 10:55:02,818 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 10:55:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:55:05,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 10:55:05,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:55:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 10:55:06,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:55:06,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:55:06,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658316472] [2024-11-06 10:55:06,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658316472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:55:06,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:55:06,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 10:55:06,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598148131] [2024-11-06 10:55:06,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:55:06,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 10:55:06,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:55:06,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 10:55:06,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 10:55:06,452 INFO L87 Difference]: Start difference. First operand 290 states and 359 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-06 10:55:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:55:06,803 INFO L93 Difference]: Finished difference Result 831 states and 1038 transitions. [2024-11-06 10:55:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 10:55:06,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-06 10:55:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:55:06,808 INFO L225 Difference]: With dead ends: 831 [2024-11-06 10:55:06,808 INFO L226 Difference]: Without dead ends: 551 [2024-11-06 10:55:06,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 10:55:06,810 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 174 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 10:55:06,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 414 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 10:55:06,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-06 10:55:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 544. [2024-11-06 10:55:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 405 states have (on average 1.217283950617284) internal successors, (493), 408 states have internal predecessors, (493), 93 states have call successors, (93), 46 states have call predecessors, (93), 45 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-06 10:55:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 675 transitions. [2024-11-06 10:55:06,891 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 675 transitions. Word has length 18 [2024-11-06 10:55:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:55:06,892 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 675 transitions. [2024-11-06 10:55:06,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-06 10:55:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 675 transitions. [2024-11-06 10:55:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-06 10:55:06,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:55:06,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:06,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 10:55:07,094 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 10:55:07,095 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:55:07,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:55:07,095 INFO L85 PathProgramCache]: Analyzing trace with hash -510037692, now seen corresponding path program 1 times [2024-11-06 10:55:07,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:55:07,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009891070] [2024-11-06 10:55:07,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:55:07,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:55:07,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:55:07,098 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 10:55:07,099 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 10:55:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:55:09,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 10:55:09,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:55:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 10:55:10,602 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:55:10,602 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:55:10,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009891070] [2024-11-06 10:55:10,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009891070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:55:10,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:55:10,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 10:55:10,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528385938] [2024-11-06 10:55:10,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:55:10,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 10:55:10,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:55:10,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 10:55:10,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 10:55:10,605 INFO L87 Difference]: Start difference. First operand 544 states and 675 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 10:55:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:55:11,355 INFO L93 Difference]: Finished difference Result 1075 states and 1336 transitions. [2024-11-06 10:55:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 10:55:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-06 10:55:11,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:55:11,360 INFO L225 Difference]: With dead ends: 1075 [2024-11-06 10:55:11,360 INFO L226 Difference]: Without dead ends: 544 [2024-11-06 10:55:11,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 10:55:11,363 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 10:55:11,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 948 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 10:55:11,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-06 10:55:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-06 10:55:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 405 states have (on average 1.2148148148148148) internal successors, (492), 408 states have internal predecessors, (492), 93 states have call successors, (93), 46 states have call predecessors, (93), 45 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-06 10:55:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 674 transitions. [2024-11-06 10:55:11,407 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 674 transitions. Word has length 51 [2024-11-06 10:55:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:55:11,407 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 674 transitions. [2024-11-06 10:55:11,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 10:55:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 674 transitions. [2024-11-06 10:55:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-06 10:55:11,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:55:11,409 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:11,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 10:55:11,609 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 10:55:11,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:55:11,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:55:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash -898306559, now seen corresponding path program 1 times [2024-11-06 10:55:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:55:11,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755136049] [2024-11-06 10:55:11,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:55:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:55:11,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:55:11,613 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 10:55:11,614 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 10:55:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:55:13,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 10:55:13,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:55:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 10:55:14,296 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:55:14,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:55:14,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755136049] [2024-11-06 10:55:14,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755136049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:55:14,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:55:14,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 10:55:14,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329735542] [2024-11-06 10:55:14,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:55:14,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 10:55:14,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:55:14,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 10:55:14,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 10:55:14,298 INFO L87 Difference]: Start difference. First operand 544 states and 674 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 10:55:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:55:14,860 INFO L93 Difference]: Finished difference Result 1118 states and 1405 transitions. [2024-11-06 10:55:14,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 10:55:14,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-06 10:55:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:55:14,868 INFO L225 Difference]: With dead ends: 1118 [2024-11-06 10:55:14,868 INFO L226 Difference]: Without dead ends: 591 [2024-11-06 10:55:14,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 10:55:14,872 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 63 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 10:55:14,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 305 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 10:55:14,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-06 10:55:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 579. [2024-11-06 10:55:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 440 states have (on average 1.2227272727272727) internal successors, (538), 443 states have internal predecessors, (538), 93 states have call successors, (93), 46 states have call predecessors, (93), 45 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-06 10:55:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 720 transitions. [2024-11-06 10:55:14,910 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 720 transitions. Word has length 56 [2024-11-06 10:55:14,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:55:14,911 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 720 transitions. [2024-11-06 10:55:14,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 10:55:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 720 transitions. [2024-11-06 10:55:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-06 10:55:14,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:55:14,916 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:55:14,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 10:55:15,116 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 10:55:15,117 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:55:15,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:55:15,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1505413123, now seen corresponding path program 1 times [2024-11-06 10:55:15,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:55:15,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896530503] [2024-11-06 10:55:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:55:15,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:55:15,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:55:15,120 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 10:55:15,121 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 10:55:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:55:16,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-06 10:55:16,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:55:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 10:55:22,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 10:55:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 10:55:30,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:55:30,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896530503] [2024-11-06 10:55:30,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896530503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 10:55:30,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 10:55:30,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-06 10:55:30,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193129944] [2024-11-06 10:55:30,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 10:55:30,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 10:55:30,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:55:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 10:55:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 10:55:30,592 INFO L87 Difference]: Start difference. First operand 579 states and 720 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 10:55:36,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 10:55:39,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 10:55:41,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 10:55:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:55:41,158 INFO L93 Difference]: Finished difference Result 1208 states and 1518 transitions. [2024-11-06 10:55:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 10:55:41,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 91 [2024-11-06 10:55:41,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:55:41,167 INFO L225 Difference]: With dead ends: 1208 [2024-11-06 10:55:41,167 INFO L226 Difference]: Without dead ends: 647 [2024-11-06 10:55:41,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 10:55:41,170 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 3 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-06 10:55:41,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1503 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-11-06 10:55:41,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-06 10:55:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 627. [2024-11-06 10:55:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 476 states have (on average 1.2058823529411764) internal successors, (574), 479 states have internal predecessors, (574), 97 states have call successors, (97), 46 states have call predecessors, (97), 53 states have return successors, (117), 101 states have call predecessors, (117), 93 states have call successors, (117) [2024-11-06 10:55:41,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 788 transitions. [2024-11-06 10:55:41,215 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 788 transitions. Word has length 91 [2024-11-06 10:55:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:55:41,216 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 788 transitions. [2024-11-06 10:55:41,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 10:55:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 788 transitions. [2024-11-06 10:55:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-06 10:55:41,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:55:41,219 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:55:41,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-06 10:55:41,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:55:41,427 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:55:41,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:55:41,428 INFO L85 PathProgramCache]: Analyzing trace with hash 981706652, now seen corresponding path program 1 times [2024-11-06 10:55:41,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:55:41,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1187632013] [2024-11-06 10:55:41,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 10:55:41,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:55:41,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:55:41,430 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 10:55:41,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 10:55:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 10:55:43,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-06 10:55:43,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 10:55:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 10:55:50,367 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 10:55:50,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 10:55:50,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187632013] [2024-11-06 10:55:50,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187632013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 10:55:50,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 10:55:50,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-06 10:55:50,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916007127] [2024-11-06 10:55:50,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 10:55:50,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 10:55:50,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 10:55:50,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 10:55:50,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 10:55:50,369 INFO L87 Difference]: Start difference. First operand 627 states and 788 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 10:55:56,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 10:56:00,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 10:56:00,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 10:56:00,974 INFO L93 Difference]: Finished difference Result 1268 states and 1598 transitions. [2024-11-06 10:56:01,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 10:56:01,001 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2024-11-06 10:56:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 10:56:01,007 INFO L225 Difference]: With dead ends: 1268 [2024-11-06 10:56:01,007 INFO L226 Difference]: Without dead ends: 659 [2024-11-06 10:56:01,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 10:56:01,012 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 2 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-06 10:56:01,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1651 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2024-11-06 10:56:01,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-06 10:56:01,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2024-11-06 10:56:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 492 states have (on average 1.2073170731707317) internal successors, (594), 491 states have internal predecessors, (594), 97 states have call successors, (97), 46 states have call predecessors, (97), 53 states have return successors, (117), 105 states have call predecessors, (117), 93 states have call successors, (117) [2024-11-06 10:56:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 808 transitions. [2024-11-06 10:56:01,060 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 808 transitions. Word has length 91 [2024-11-06 10:56:01,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 10:56:01,060 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 808 transitions. [2024-11-06 10:56:01,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 10:56:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 808 transitions. [2024-11-06 10:56:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-06 10:56:01,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 10:56:01,065 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 10:56:01,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-06 10:56:01,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:56:01,266 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 10:56:01,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 10:56:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash 973947293, now seen corresponding path program 2 times [2024-11-06 10:56:01,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 10:56:01,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102138021] [2024-11-06 10:56:01,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 10:56:01,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 10:56:01,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 10:56:01,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 10:56:01,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process