/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 WOLF -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 01:55:09,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 01:55:09,103 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 01:55:09,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 01:55:09,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 01:55:09,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 01:55:09,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 01:55:09,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 01:55:09,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 01:55:09,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 01:55:09,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 01:55:09,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 01:55:09,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 01:55:09,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 01:55:09,150 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 01:55:09,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 01:55:09,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 01:55:09,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 01:55:09,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 01:55:09,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 01:55:09,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 01:55:09,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 01:55:09,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 01:55:09,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 01:55:09,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 01:55:09,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 01:55:09,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 01:55:09,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 01:55:09,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 01:55:09,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 01:55:09,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 01:55:09,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 01:55:09,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 01:55:09,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 01:55:09,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 01:55:09,161 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 01:55:09,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 01:55:09,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 01:55:09,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 01:55:09,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 01:55:09,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 01:55:09,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 01:55:09,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 01:55:09,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 01:55:09,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 01:55:09,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 01:55:09,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 01:55:09,399 INFO L431 ainManager$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 01:55:10,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 01:55:11,127 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 01:55:11,129 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 01:55:11,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c37d747/aad4a2efc4904c918a66bc501bd3dfbb/FLAGb0c2c758d [2024-11-06 01:55:11,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c37d747/aad4a2efc4904c918a66bc501bd3dfbb [2024-11-06 01:55:11,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 01:55:11,355 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 01:55:11,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 01:55:11,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 01:55:11,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 01:55:11,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:55:11" (1/1) ... [2024-11-06 01:55:11,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f8c0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:11, skipping insertion in model container [2024-11-06 01:55:11,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:55:11" (1/1) ... [2024-11-06 01:55:11,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 01:55:12,092 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 01:55:12,132 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,143 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,149 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,150 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 01:55:12,161 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 01:55:12,167 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 01:55:12,172 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 01:55:12,175 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 01:55:12,178 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 01:55:12,185 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 01:55:12,186 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 01:55:12,188 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,199 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 01:55:12,200 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 01:55:12,200 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 01:55:12,234 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 01:55:12,248 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 01:55:12,249 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 01:55:12,270 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 01:55:12,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 01:55:12,312 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 01:55:12,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 01:55:12,440 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 01:55:12,443 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 01:55:12,446 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 01:55:12,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,451 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 01:55:12,452 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 01:55:12,453 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 01:55:12,453 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 01:55:12,456 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 01:55:12,462 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 01:55:12,464 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 01:55:12,465 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 01:55:12,465 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 01:55:12,466 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 01:55:12,469 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 01:55:12,469 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 01:55:12,477 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 01:55:12,481 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 01:55:12,481 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 01:55:12,489 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 01:55:12,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 01:55:12,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 01:55:12,664 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 01:55:12,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 01:55:12,727 INFO L204 MainTranslator]: Completed translation [2024-11-06 01:55:12,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12 WrapperNode [2024-11-06 01:55:12,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 01:55:12,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 01:55:12,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 01:55:12,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 01:55:12,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:12,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:12,833 INFO L138 Inliner]: procedures = 88, calls = 266, calls flagged for inlining = 29, calls inlined = 26, statements flattened = 935 [2024-11-06 01:55:12,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 01:55:12,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 01:55:12,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 01:55:12,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 01:55:12,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:12,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:12,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:12,963 INFO L175 MemorySlicer]: Split 160 memory accesses to 6 slices as follows [2, 6, 42, 82, 8, 20]. 51 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 6, 0, 6, 8, 1]. The 103 writes are split as follows [0, 0, 42, 42, 0, 19]. [2024-11-06 01:55:12,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:12,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:13,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:13,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:13,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:13,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:13,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 01:55:13,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 01:55:13,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 01:55:13,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 01:55:13,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (1/1) ... [2024-11-06 01:55:13,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 01:55:13,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 01:55:13,123 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 01:55:13,130 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 01:55:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2024-11-06 01:55:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2024-11-06 01:55:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 01:55:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-06 01:55:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-06 01:55:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 01:55:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 01:55:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 01:55:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 01:55:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-06 01:55:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-06 01:55:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2024-11-06 01:55:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2024-11-06 01:55:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 01:55:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 01:55:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 01:55:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 01:55:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 01:55:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 01:55:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 01:55:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 01:55:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-06 01:55:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 01:55:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-06 01:55:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 01:55:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 01:55:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 01:55:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 01:55:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 01:55:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 01:55:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 01:55:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 01:55:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 01:55:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 01:55:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 01:55:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 01:55:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 01:55:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 01:55:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-06 01:55:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-06 01:55:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 01:55:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 01:55:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-06 01:55:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 01:55:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 01:55:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 01:55:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 01:55:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 01:55:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-06 01:55:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 01:55:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 01:55:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 01:55:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-06 01:55:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-06 01:55:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-06 01:55:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-06 01:55:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 01:55:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 01:55:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 01:55:13,515 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 01:55:13,517 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 01:55:13,610 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-06 01:55:13,727 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-06 01:55:32,402 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-06 01:55:32,402 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-06 01:55:32,489 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-06 01:55:32,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 01:55:32,502 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 01:55:32,503 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-06 01:55:32,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:55:32 BoogieIcfgContainer [2024-11-06 01:55:32,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 01:55:32,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 01:55:32,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 01:55:32,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 01:55:32,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:55:11" (1/3) ... [2024-11-06 01:55:32,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279bd58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:55:32, skipping insertion in model container [2024-11-06 01:55:32,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:55:12" (2/3) ... [2024-11-06 01:55:32,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279bd58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:55:32, skipping insertion in model container [2024-11-06 01:55:32,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:55:32" (3/3) ... [2024-11-06 01:55:32,511 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-06 01:55:32,525 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 01:55:32,525 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 01:55:32,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 01:55:32,641 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;@30985caf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 01:55:32,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 01:55:32,647 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 01:55:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-06 01:55:32,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:55:32,655 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 01:55:32,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:55:32,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:55:32,661 INFO L85 PathProgramCache]: Analyzing trace with hash 670907355, now seen corresponding path program 1 times [2024-11-06 01:55:32,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:55:32,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057395480] [2024-11-06 01:55:32,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:55:32,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:32,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:55:32,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:55:32,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 01:55:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:55:35,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 01:55:35,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:55:36,339 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 01:55:36,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:55:36,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:55:36,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057395480] [2024-11-06 01:55:36,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057395480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:55:36,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:55:36,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 01:55:36,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474805679] [2024-11-06 01:55:36,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:55:36,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 01:55:36,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:55:36,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 01:55:36,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 01:55:36,374 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 01:55:36,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:55:36,820 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2024-11-06 01:55:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 01:55:36,833 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 01:55:36,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:55:36,870 INFO L225 Difference]: With dead ends: 455 [2024-11-06 01:55:36,870 INFO L226 Difference]: Without dead ends: 294 [2024-11-06 01:55:36,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 01:55:36,887 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 01:55:36,888 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 01:55:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-06 01:55:36,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 290. [2024-11-06 01:55:36,965 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 01:55:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 359 transitions. [2024-11-06 01:55:36,973 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 359 transitions. Word has length 17 [2024-11-06 01:55:36,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:55:36,973 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 359 transitions. [2024-11-06 01:55:36,974 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 01:55:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 359 transitions. [2024-11-06 01:55:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-06 01:55:36,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:55:36,975 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 01:55:36,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 01:55:37,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:37,177 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:55:37,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:55:37,178 INFO L85 PathProgramCache]: Analyzing trace with hash -676819130, now seen corresponding path program 1 times [2024-11-06 01:55:37,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:55:37,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978224360] [2024-11-06 01:55:37,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:55:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:37,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:55:37,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:55:37,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 01:55:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:55:39,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 01:55:39,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:55:40,835 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 01:55:40,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:55:40,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:55:40,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978224360] [2024-11-06 01:55:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978224360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:55:40,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:55:40,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 01:55:40,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53706794] [2024-11-06 01:55:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:55:40,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 01:55:40,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:55:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 01:55:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 01:55:40,840 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 01:55:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:55:41,156 INFO L93 Difference]: Finished difference Result 831 states and 1038 transitions. [2024-11-06 01:55:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 01:55:41,157 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 01:55:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:55:41,161 INFO L225 Difference]: With dead ends: 831 [2024-11-06 01:55:41,162 INFO L226 Difference]: Without dead ends: 551 [2024-11-06 01:55:41,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 01:55:41,167 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 01:55:41,168 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 01:55:41,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-06 01:55:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 544. [2024-11-06 01:55:41,233 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 01:55:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 675 transitions. [2024-11-06 01:55:41,240 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 675 transitions. Word has length 18 [2024-11-06 01:55:41,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:55:41,240 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 675 transitions. [2024-11-06 01:55:41,241 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 01:55:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 675 transitions. [2024-11-06 01:55:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-06 01:55:41,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:55:41,242 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 01:55:41,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-06 01:55:41,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:41,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:55:41,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:55:41,444 INFO L85 PathProgramCache]: Analyzing trace with hash -510037692, now seen corresponding path program 1 times [2024-11-06 01:55:41,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:55:41,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658325328] [2024-11-06 01:55:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:55:41,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:41,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:55:41,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:55:41,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 01:55:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:55:43,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 01:55:43,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:55:45,180 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 01:55:45,180 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:55:45,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:55:45,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658325328] [2024-11-06 01:55:45,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658325328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:55:45,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:55:45,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 01:55:45,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229893910] [2024-11-06 01:55:45,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:55:45,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 01:55:45,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:55:45,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 01:55:45,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 01:55:45,183 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 01:55:45,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:55:45,848 INFO L93 Difference]: Finished difference Result 1075 states and 1336 transitions. [2024-11-06 01:55:45,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 01:55:45,851 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 01:55:45,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:55:45,858 INFO L225 Difference]: With dead ends: 1075 [2024-11-06 01:55:45,858 INFO L226 Difference]: Without dead ends: 544 [2024-11-06 01:55:45,861 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 01:55:45,862 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 01:55:45,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 948 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 01:55:45,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-06 01:55:45,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-06 01:55:45,902 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 01:55:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 674 transitions. [2024-11-06 01:55:45,907 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 674 transitions. Word has length 51 [2024-11-06 01:55:45,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:55:45,908 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 674 transitions. [2024-11-06 01:55:45,908 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 01:55:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 674 transitions. [2024-11-06 01:55:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-06 01:55:45,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:55:45,910 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 01:55:45,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-06 01:55:46,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:46,111 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:55:46,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:55:46,112 INFO L85 PathProgramCache]: Analyzing trace with hash -898306559, now seen corresponding path program 1 times [2024-11-06 01:55:46,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:55:46,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954136723] [2024-11-06 01:55:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:55:46,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:46,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:55:46,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:55:46,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 01:55:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:55:48,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 01:55:48,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:55:48,932 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 01:55:48,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:55:48,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:55:48,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954136723] [2024-11-06 01:55:48,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954136723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:55:48,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:55:48,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 01:55:48,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565129677] [2024-11-06 01:55:48,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:55:48,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 01:55:48,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:55:48,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 01:55:48,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 01:55:48,936 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 01:55:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:55:49,487 INFO L93 Difference]: Finished difference Result 1118 states and 1405 transitions. [2024-11-06 01:55:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 01:55:49,487 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 01:55:49,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:55:49,491 INFO L225 Difference]: With dead ends: 1118 [2024-11-06 01:55:49,492 INFO L226 Difference]: Without dead ends: 591 [2024-11-06 01:55:49,494 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 01:55:49,495 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 01:55:49,495 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 01:55:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-06 01:55:49,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 579. [2024-11-06 01:55:49,523 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 01:55:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 720 transitions. [2024-11-06 01:55:49,527 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 720 transitions. Word has length 56 [2024-11-06 01:55:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:55:49,527 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 720 transitions. [2024-11-06 01:55:49,527 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 01:55:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 720 transitions. [2024-11-06 01:55:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-06 01:55:49,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:55:49,532 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 01:55:49,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-06 01:55:49,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:49,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:55:49,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:55:49,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1505413123, now seen corresponding path program 1 times [2024-11-06 01:55:49,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:55:49,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716713097] [2024-11-06 01:55:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:55:49,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:55:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:55:49,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:55:49,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-06 01:55:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:55:51,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-06 01:55:51,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:55:56,923 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 01:55:56,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 01:56:03,333 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 01:56:03,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:56:03,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716713097] [2024-11-06 01:56:03,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716713097] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 01:56:03,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 01:56:03,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-06 01:56:03,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604544170] [2024-11-06 01:56:03,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 01:56:03,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 01:56:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:56:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 01:56:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 01:56:03,336 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 01:56:09,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 01:56:11,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 01:56:15,184 WARN L539 Checker$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 01:56:15,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:56:15,241 INFO L93 Difference]: Finished difference Result 1208 states and 1518 transitions. [2024-11-06 01:56:15,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 01:56:15,242 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 01:56:15,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:56:15,250 INFO L225 Difference]: With dead ends: 1208 [2024-11-06 01:56:15,251 INFO L226 Difference]: Without dead ends: 647 [2024-11-06 01:56:15,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 01:56:15,254 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 3 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-06 01:56:15,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1518 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-06 01:56:15,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-06 01:56:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 627. [2024-11-06 01:56:15,292 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 01:56:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 788 transitions. [2024-11-06 01:56:15,296 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 788 transitions. Word has length 91 [2024-11-06 01:56:15,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:56:15,297 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 788 transitions. [2024-11-06 01:56:15,297 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 01:56:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 788 transitions. [2024-11-06 01:56:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-06 01:56:15,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:56:15,302 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 01:56:15,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-06 01:56:15,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:56:15,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:56:15,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:56:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash 981706652, now seen corresponding path program 1 times [2024-11-06 01:56:15,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:56:15,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555540287] [2024-11-06 01:56:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:56:15,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:56:15,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:56:15,507 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:56:15,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-06 01:56:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:56:17,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-06 01:56:17,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:56:23,655 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 01:56:23,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:56:23,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:56:23,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555540287] [2024-11-06 01:56:23,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555540287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:56:23,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:56:23,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-06 01:56:23,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190781675] [2024-11-06 01:56:23,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:56:23,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 01:56:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:56:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 01:56:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 01:56:23,659 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 01:56:31,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 01:56:35,112 WARN L539 Checker$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 01:56:35,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:56:35,129 INFO L93 Difference]: Finished difference Result 1268 states and 1598 transitions. [2024-11-06 01:56:35,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 01:56:35,161 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 01:56:35,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:56:35,166 INFO L225 Difference]: With dead ends: 1268 [2024-11-06 01:56:35,166 INFO L226 Difference]: Without dead ends: 659 [2024-11-06 01:56:35,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 01:56:35,169 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-06 01:56:35,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1704 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-06 01:56:35,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-06 01:56:35,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2024-11-06 01:56:35,202 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 01:56:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 808 transitions. [2024-11-06 01:56:35,207 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 808 transitions. Word has length 91 [2024-11-06 01:56:35,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:56:35,208 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 808 transitions. [2024-11-06 01:56:35,208 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 01:56:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 808 transitions. [2024-11-06 01:56:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-06 01:56:35,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:56:35,210 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 01:56:35,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-06 01:56:35,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:56:35,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:56:35,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:56:35,412 INFO L85 PathProgramCache]: Analyzing trace with hash 973947293, now seen corresponding path program 2 times [2024-11-06 01:56:35,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:56:35,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994299864] [2024-11-06 01:56:35,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 01:56:35,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:56:35,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:56:35,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:56:35,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-06 01:56:38,662 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 01:56:38,662 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 01:56:38,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-06 01:56:38,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:56:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-06 01:56:39,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:56:39,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:56:39,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994299864] [2024-11-06 01:56:39,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994299864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:56:39,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:56:39,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 01:56:39,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941208458] [2024-11-06 01:56:39,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:56:39,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 01:56:39,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:56:39,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 01:56:39,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 01:56:39,687 INFO L87 Difference]: Start difference. First operand 643 states and 808 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 01:56:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 01:56:40,213 INFO L93 Difference]: Finished difference Result 1079 states and 1355 transitions. [2024-11-06 01:56:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 01:56:40,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2024-11-06 01:56:40,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 01:56:40,221 INFO L225 Difference]: With dead ends: 1079 [2024-11-06 01:56:40,221 INFO L226 Difference]: Without dead ends: 454 [2024-11-06 01:56:40,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 01:56:40,224 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 01:56:40,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 564 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 01:56:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-06 01:56:40,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2024-11-06 01:56:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 348 states have (on average 1.1954022988505748) internal successors, (416), 348 states have internal predecessors, (416), 66 states have call successors, (66), 34 states have call predecessors, (66), 39 states have return successors, (80), 71 states have call predecessors, (80), 62 states have call successors, (80) [2024-11-06 01:56:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 562 transitions. [2024-11-06 01:56:40,252 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 562 transitions. Word has length 91 [2024-11-06 01:56:40,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 01:56:40,252 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 562 transitions. [2024-11-06 01:56:40,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 01:56:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 562 transitions. [2024-11-06 01:56:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-06 01:56:40,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 01:56:40,254 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 01:56:40,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-06 01:56:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:56:40,455 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 01:56:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 01:56:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash 528278713, now seen corresponding path program 1 times [2024-11-06 01:56:40,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 01:56:40,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295065984] [2024-11-06 01:56:40,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 01:56:40,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 01:56:40,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 01:56:40,460 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 01:56:40,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-06 01:56:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 01:56:42,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-06 01:56:42,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 01:56:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-06 01:56:45,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 01:56:45,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 01:56:45,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295065984] [2024-11-06 01:56:45,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295065984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 01:56:45,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 01:56:45,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 01:56:45,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039174059] [2024-11-06 01:56:45,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 01:56:45,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 01:56:45,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 01:56:45,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 01:56:45,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 01:56:45,941 INFO L87 Difference]: Start difference. First operand 454 states and 562 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 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)