/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -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-b75d321-m [2024-11-04 11:39:51,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 11:39:51,860 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 11:39:51,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 11:39:51,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 11:39:51,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 11:39:51,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 11:39:51,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 11:39:51,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 11:39:51,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 11:39:51,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 11:39:51,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 11:39:51,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 11:39:51,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 11:39:51,898 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 11:39:51,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 11:39:51,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 11:39:51,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 11:39:51,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 11:39:51,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 11:39:51,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 11:39:51,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 11:39:51,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 11:39:51,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 11:39:51,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 11:39:51,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 11:39:51,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 11:39:51,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 11:39:51,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 11:39:51,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 11:39:51,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 11:39:51,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 11:39:51,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 11:39:51,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 11:39:51,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 11:39:51,912 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 11:39:51,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 11:39:51,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 11:39:51,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 11:39:51,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 11:39:51,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 11:39:51,914 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:39:52,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 11:39:52,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 11:39:52,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 11:39:52,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 11:39:52,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 11:39:52,139 INFO L431 ainManager$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 [2024-11-04 11:39:53,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 11:39:54,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 11:39:54,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-04 11:39:54,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8100030d4/b3cfe80211b44902aed38049cea467b0/FLAG57492e930 [2024-11-04 11:39:54,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8100030d4/b3cfe80211b44902aed38049cea467b0 [2024-11-04 11:39:54,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 11:39:54,063 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 11:39:54,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 11:39:54,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 11:39:54,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 11:39:54,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:39:54" (1/1) ... [2024-11-04 11:39:54,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6b28d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:54, skipping insertion in model container [2024-11-04 11:39:54,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:39:54" (1/1) ... [2024-11-04 11:39:54,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 11:39:54,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,787 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,818 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,834 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,838 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,842 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,849 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,852 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,860 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,910 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] [2024-11-04 11:39:54,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,930 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,958 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:54,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 11:39:55,018 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 11:39:55,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 11:39:55,133 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,141 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,148 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,150 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,150 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,154 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,156 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,158 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,159 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,162 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,166 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,166 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,170 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,170 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,172 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,172 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,180 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] [2024-11-04 11:39:55,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,185 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,191 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 11:39:55,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 11:39:55,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 11:39:55,367 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] [2024-11-04 11:39:55,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 11:39:55,426 INFO L204 MainTranslator]: Completed translation [2024-11-04 11:39:55,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55 WrapperNode [2024-11-04 11:39:55,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 11:39:55,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 11:39:55,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 11:39:55,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 11:39:55,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,529 INFO L138 Inliner]: procedures = 88, calls = 266, calls flagged for inlining = 29, calls inlined = 26, statements flattened = 935 [2024-11-04 11:39:55,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 11:39:55,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 11:39:55,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 11:39:55,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 11:39:55,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,667 INFO L175 MemorySlicer]: Split 160 memory accesses to 6 slices as follows [2, 42, 6, 8, 20, 82]. 51 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 6, 8, 1, 6]. The 103 writes are split as follows [0, 42, 0, 0, 19, 42]. [2024-11-04 11:39:55,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 11:39:55,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 11:39:55,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 11:39:55,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 11:39:55,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (1/1) ... [2024-11-04 11:39:55,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 11:39:55,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:39:55,851 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) [2024-11-04 11:39:55,854 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 [2024-11-04 11:39:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2024-11-04 11:39:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2024-11-04 11:39:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 11:39:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-04 11:39:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-04 11:39:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 11:39:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 11:39:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-04 11:39:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2024-11-04 11:39:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 11:39:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-04 11:39:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-04 11:39:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 11:39:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-04 11:39:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 11:39:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 11:39:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-04 11:39:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-04 11:39:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 11:39:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-04 11:39:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-04 11:39:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-04 11:39:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 11:39:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-04 11:39:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-04 11:39:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-04 11:39:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-04 11:39:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 11:39:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 11:39:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 11:39:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 11:39:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 11:39:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 11:39:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-04 11:39:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-04 11:39:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-04 11:39:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-04 11:39:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 11:39:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 11:39:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 11:39:56,204 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 11:39:56,206 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 11:39:56,314 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-04 11:39:56,413 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-04 11:40:12,989 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-04 11:40:12,990 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-04 11:40:13,074 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-04 11:40:13,074 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 11:40:13,094 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 11:40:13,094 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-04 11:40:13,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:40:13 BoogieIcfgContainer [2024-11-04 11:40:13,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 11:40:13,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 11:40:13,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 11:40:13,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 11:40:13,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 11:39:54" (1/3) ... [2024-11-04 11:40:13,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8888d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:40:13, skipping insertion in model container [2024-11-04 11:40:13,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:39:55" (2/3) ... [2024-11-04 11:40:13,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8888d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:40:13, skipping insertion in model container [2024-11-04 11:40:13,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:40:13" (3/3) ... [2024-11-04 11:40:13,103 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-04 11:40:13,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 11:40:13,119 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 11:40:13,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 11:40:13,192 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;@5e138044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 11:40:13,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 11:40:13,196 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) [2024-11-04 11:40:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-04 11:40:13,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:40:13,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 11:40:13,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 11:40:13,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 11:40:13,206 INFO L85 PathProgramCache]: Analyzing trace with hash 670907355, now seen corresponding path program 1 times [2024-11-04 11:40:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 11:40:13,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282808617] [2024-11-04 11:40:13,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 11:40:13,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:40:13,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 11:40:13,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 11:40:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 11:40:15,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 11:40:15,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 11:40:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:17,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 11:40:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:17,769 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 11:40:17,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282808617] [2024-11-04 11:40:17,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [282808617] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 11:40:17,770 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 11:40:17,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-04 11:40:17,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779853844] [2024-11-04 11:40:17,774 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 11:40:17,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 11:40:17,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 11:40:17,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 11:40:17,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 11:40:17,808 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 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-04 11:40:18,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 11:40:18,178 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2024-11-04 11:40:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 11:40:18,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-04 11:40:18,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 11:40:18,189 INFO L225 Difference]: With dead ends: 455 [2024-11-04 11:40:18,189 INFO L226 Difference]: Without dead ends: 294 [2024-11-04 11:40:18,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 11:40:18,195 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 184 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 11:40:18,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 402 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 11:40:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-04 11:40:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 290. [2024-11-04 11:40:18,250 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) [2024-11-04 11:40:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 359 transitions. [2024-11-04 11:40:18,260 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 359 transitions. Word has length 17 [2024-11-04 11:40:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 11:40:18,261 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 359 transitions. [2024-11-04 11:40:18,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-04 11:40:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 359 transitions. [2024-11-04 11:40:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-04 11:40:18,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:40:18,262 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 11:40:18,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 11:40:18,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:18,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 11:40:18,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 11:40:18,469 INFO L85 PathProgramCache]: Analyzing trace with hash -676819130, now seen corresponding path program 1 times [2024-11-04 11:40:18,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 11:40:18,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16068497] [2024-11-04 11:40:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 11:40:18,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:18,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:40:18,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 11:40:18,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 11:40:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 11:40:20,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 11:40:20,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 11:40:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:21,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 11:40:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:22,455 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 11:40:22,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16068497] [2024-11-04 11:40:22,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [16068497] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 11:40:22,456 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 11:40:22,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-04 11:40:22,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841866863] [2024-11-04 11:40:22,456 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 11:40:22,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 11:40:22,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 11:40:22,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 11:40:22,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 11:40:22,459 INFO L87 Difference]: Start difference. First operand 290 states and 359 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-04 11:40:22,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 11:40:22,749 INFO L93 Difference]: Finished difference Result 831 states and 1038 transitions. [2024-11-04 11:40:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 11:40:22,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-04 11:40:22,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 11:40:22,754 INFO L225 Difference]: With dead ends: 831 [2024-11-04 11:40:22,754 INFO L226 Difference]: Without dead ends: 551 [2024-11-04 11:40:22,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 11:40:22,757 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 174 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 11:40:22,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 414 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 11:40:22,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-04 11:40:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 544. [2024-11-04 11:40:22,818 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) [2024-11-04 11:40:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 675 transitions. [2024-11-04 11:40:22,822 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 675 transitions. Word has length 18 [2024-11-04 11:40:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 11:40:22,823 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 675 transitions. [2024-11-04 11:40:22,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-04 11:40:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 675 transitions. [2024-11-04 11:40:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-04 11:40:22,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:40:22,824 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] [2024-11-04 11:40:22,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 11:40:23,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:23,025 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 11:40:23,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 11:40:23,026 INFO L85 PathProgramCache]: Analyzing trace with hash -510037692, now seen corresponding path program 1 times [2024-11-04 11:40:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 11:40:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376706050] [2024-11-04 11:40:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 11:40:23,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:40:23,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 11:40:23,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 11:40:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 11:40:25,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 11:40:25,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 11:40:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:26,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 11:40:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:28,294 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 11:40:28,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376706050] [2024-11-04 11:40:28,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1376706050] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 11:40:28,295 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 11:40:28,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2024-11-04 11:40:28,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126373205] [2024-11-04 11:40:28,295 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 11:40:28,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 11:40:28,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 11:40:28,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 11:40:28,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-04 11:40:28,297 INFO L87 Difference]: Start difference. First operand 544 states and 675 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 11:40:28,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 11:40:28,976 INFO L93 Difference]: Finished difference Result 1075 states and 1336 transitions. [2024-11-04 11:40:28,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 11:40:28,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2024-11-04 11:40:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 11:40:28,981 INFO L225 Difference]: With dead ends: 1075 [2024-11-04 11:40:28,982 INFO L226 Difference]: Without dead ends: 544 [2024-11-04 11:40:28,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-04 11:40:28,985 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 [2024-11-04 11:40:28,986 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] [2024-11-04 11:40:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-04 11:40:29,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-04 11:40:29,025 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) [2024-11-04 11:40:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 674 transitions. [2024-11-04 11:40:29,032 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 674 transitions. Word has length 51 [2024-11-04 11:40:29,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 11:40:29,033 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 674 transitions. [2024-11-04 11:40:29,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-04 11:40:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 674 transitions. [2024-11-04 11:40:29,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-04 11:40:29,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:40:29,035 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] [2024-11-04 11:40:29,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 11:40:29,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:29,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 11:40:29,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 11:40:29,237 INFO L85 PathProgramCache]: Analyzing trace with hash -898306559, now seen corresponding path program 1 times [2024-11-04 11:40:29,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 11:40:29,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664368349] [2024-11-04 11:40:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 11:40:29,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:40:29,239 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 11:40:29,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 11:40:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 11:40:30,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 11:40:30,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 11:40:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:31,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 11:40:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 11:40:33,517 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 11:40:33,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664368349] [2024-11-04 11:40:33,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [664368349] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 11:40:33,517 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 11:40:33,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 11:40:33,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994103397] [2024-11-04 11:40:33,517 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 11:40:33,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 11:40:33,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 11:40:33,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 11:40:33,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 11:40:33,519 INFO L87 Difference]: Start difference. First operand 544 states and 674 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-04 11:40:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 11:40:34,608 INFO L93 Difference]: Finished difference Result 1154 states and 1464 transitions. [2024-11-04 11:40:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 11:40:34,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2024-11-04 11:40:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 11:40:34,614 INFO L225 Difference]: With dead ends: 1154 [2024-11-04 11:40:34,614 INFO L226 Difference]: Without dead ends: 627 [2024-11-04 11:40:34,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 11:40:34,618 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 68 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-04 11:40:34,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 430 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-04 11:40:34,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-04 11:40:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 615. [2024-11-04 11:40:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 476 states have (on average 1.245798319327731) internal successors, (593), 479 states have internal predecessors, (593), 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) [2024-11-04 11:40:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 775 transitions. [2024-11-04 11:40:34,666 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 775 transitions. Word has length 56 [2024-11-04 11:40:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 11:40:34,666 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 775 transitions. [2024-11-04 11:40:34,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-04 11:40:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 775 transitions. [2024-11-04 11:40:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-04 11:40:34,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:40:34,670 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] [2024-11-04 11:40:34,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-04 11:40:34,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:34,871 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 11:40:34,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 11:40:34,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1505413123, now seen corresponding path program 1 times [2024-11-04 11:40:34,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 11:40:34,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378037778] [2024-11-04 11:40:34,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 11:40:34,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:34,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:40:34,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 11:40:34,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-04 11:40:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 11:40:36,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-04 11:40:36,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 11:40:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 11:40:41,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 11:40:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-04 11:40:48,305 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 11:40:48,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378037778] [2024-11-04 11:40:48,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1378037778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 11:40:48,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 11:40:48,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-04 11:40:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907555900] [2024-11-04 11:40:48,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 11:40:48,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-04 11:40:48,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 11:40:48,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-04 11:40:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-04 11:40:48,308 INFO L87 Difference]: Start difference. First operand 615 states and 775 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) [2024-11-04 11:40:53,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 11:40:54,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 11:40:58,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 11:40:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 11:40:58,488 INFO L93 Difference]: Finished difference Result 1280 states and 1628 transitions. [2024-11-04 11:40:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-04 11:40:58,489 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 [2024-11-04 11:40:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 11:40:58,495 INFO L225 Difference]: With dead ends: 1280 [2024-11-04 11:40:58,495 INFO L226 Difference]: Without dead ends: 683 [2024-11-04 11:40:58,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-04 11:40:58,498 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 4 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-04 11:40:58,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1483 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2024-11-04 11:40:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-04 11:40:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 663. [2024-11-04 11:40:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 512 states have (on average 1.228515625) internal successors, (629), 515 states have internal predecessors, (629), 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) [2024-11-04 11:40:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 843 transitions. [2024-11-04 11:40:58,545 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 843 transitions. Word has length 91 [2024-11-04 11:40:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 11:40:58,545 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 843 transitions. [2024-11-04 11:40:58,545 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) [2024-11-04 11:40:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 843 transitions. [2024-11-04 11:40:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-04 11:40:58,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:40:58,553 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] [2024-11-04 11:40:58,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-04 11:40:58,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:58,754 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 11:40:58,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 11:40:58,754 INFO L85 PathProgramCache]: Analyzing trace with hash 981706652, now seen corresponding path program 1 times [2024-11-04 11:40:58,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 11:40:58,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702402580] [2024-11-04 11:40:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 11:40:58,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 11:40:58,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 11:40:58,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 11:40:58,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-04 11:41:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 11:41:00,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-04 11:41:00,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 11:41:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 11:41:06,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 11:41:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-04 11:41:13,506 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 11:41:13,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702402580] [2024-11-04 11:41:13,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1702402580] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 11:41:13,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 11:41:13,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 10 [2024-11-04 11:41:13,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921938718] [2024-11-04 11:41:13,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 11:41:13,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-04 11:41:13,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 11:41:13,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-04 11:41:13,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-04 11:41:13,509 INFO L87 Difference]: Start difference. First operand 663 states and 843 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) [2024-11-04 11:41:20,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 11:41:24,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 11:41:25,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 11:41:25,000 INFO L93 Difference]: Finished difference Result 1340 states and 1708 transitions. [2024-11-04 11:41:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-04 11:41:25,028 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 [2024-11-04 11:41:25,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 11:41:25,033 INFO L225 Difference]: With dead ends: 1340 [2024-11-04 11:41:25,033 INFO L226 Difference]: Without dead ends: 695 [2024-11-04 11:41:25,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-04 11:41:25,036 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 [2024-11-04 11:41:25,036 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] [2024-11-04 11:41:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-04 11:41:25,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 679. [2024-11-04 11:41:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 528 states have (on average 1.2291666666666667) internal successors, (649), 527 states have internal predecessors, (649), 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) [2024-11-04 11:41:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 863 transitions. [2024-11-04 11:41:25,075 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 863 transitions. Word has length 91 [2024-11-04 11:41:25,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 11:41:25,075 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 863 transitions. [2024-11-04 11:41:25,076 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) [2024-11-04 11:41:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 863 transitions. [2024-11-04 11:41:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-04 11:41:25,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 11:41:25,080 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] [2024-11-04 11:41:25,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0