/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 12:59:55,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 12:59:55,744 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 12:59:55,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 12:59:55,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 12:59:55,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 12:59:55,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 12:59:55,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 12:59:55,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 12:59:55,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 12:59:55,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 12:59:55,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 12:59:55,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 12:59:55,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 12:59:55,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 12:59:55,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 12:59:55,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 12:59:55,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 12:59:55,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 12:59:55,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 12:59:55,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 12:59:55,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 12:59:55,821 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 12:59:55,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 12:59:55,822 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 12:59:55,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 12:59:55,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 12:59:55,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 12:59:55,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 12:59:55,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 12:59:55,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 12:59:55,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 12:59:55,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 12:59:55,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 12:59:55,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 12:59:55,824 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 12:59:55,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 12:59:55,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 12:59:55,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 12:59:55,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 12:59:55,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 12:59:55,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 12:59:56,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 12:59:56,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 12:59:56,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 12:59:56,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 12:59:56,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 12:59:56,126 INFO L431 ainManager$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 [2024-11-15 12:59:57,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 12:59:58,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 12:59:58,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-15 12:59:58,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fcbbec4/77bedb406cb14c7cb05a54ae3dd65029/FLAGf631f1325 [2024-11-15 12:59:58,315 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fcbbec4/77bedb406cb14c7cb05a54ae3dd65029 [2024-11-15 12:59:58,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 12:59:58,322 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 12:59:58,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 12:59:58,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 12:59:58,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 12:59:58,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 12:59:58" (1/1) ... [2024-11-15 12:59:58,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c67dad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:59:58, skipping insertion in model container [2024-11-15 12:59:58,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 12:59:58" (1/1) ... [2024-11-15 12:59:58,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 12:59:59,855 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,918 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,946 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,960 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,974 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,975 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,983 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 12:59:59,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,001 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,002 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,011 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,024 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,026 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,033 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,112 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] [2024-11-15 13:00:00,150 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,150 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,204 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:00:00,260 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 13:00:00,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 13:00:00,374 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,378 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,383 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,420 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,429 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,430 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,447 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,447 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,450 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,450 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,459 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] [2024-11-15 13:00:00,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,463 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:00,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:00:00,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 13:00:00,628 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] [2024-11-15 13:00:00,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:00:00,741 INFO L204 MainTranslator]: Completed translation [2024-11-15 13:00:00,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00 WrapperNode [2024-11-15 13:00:00,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 13:00:00,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 13:00:00,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 13:00:00,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 13:00:00,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:00,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:00,876 INFO L138 Inliner]: procedures = 88, calls = 266, calls flagged for inlining = 29, calls inlined = 26, statements flattened = 935 [2024-11-15 13:00:00,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 13:00:00,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 13:00:00,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 13:00:00,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 13:00:00,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:00,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:00,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,016 INFO L175 MemorySlicer]: Split 160 memory accesses to 6 slices as follows [2, 6, 8, 82, 20, 42]. 51 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 6, 8, 6, 1, 0]. The 103 writes are split as follows [0, 0, 0, 42, 19, 42]. [2024-11-15 13:00:01,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 13:00:01,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 13:00:01,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 13:00:01,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 13:00:01,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (1/1) ... [2024-11-15 13:00:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 13:00:01,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:01,171 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) [2024-11-15 13:00:01,177 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 [2024-11-15 13:00:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2024-11-15 13:00:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-15 13:00:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 13:00:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-15 13:00:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-15 13:00:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2024-11-15 13:00:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2024-11-15 13:00:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 13:00:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 13:00:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 13:00:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 13:00:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 13:00:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-15 13:00:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-15 13:00:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-15 13:00:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-15 13:00:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-15 13:00:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 13:00:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 13:00:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 13:00:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 13:00:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 13:00:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-15 13:00:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-15 13:00:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-15 13:00:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 13:00:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-15 13:00:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-15 13:00:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 13:00:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-15 13:00:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-15 13:00:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-15 13:00:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-15 13:00:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 13:00:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-15 13:00:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-15 13:00:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-15 13:00:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-15 13:00:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-15 13:00:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-15 13:00:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-15 13:00:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-15 13:00:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-15 13:00:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-15 13:00:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-15 13:00:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-15 13:00:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 13:00:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-15 13:00:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-15 13:00:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-15 13:00:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-15 13:00:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-15 13:00:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-15 13:00:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-15 13:00:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-15 13:00:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-15 13:00:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-15 13:00:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-15 13:00:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-15 13:00:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 13:00:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 13:00:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 13:00:01,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 13:00:01,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 13:00:01,775 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-15 13:00:01,908 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-15 13:00:19,257 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-15 13:00:19,258 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-15 13:00:19,361 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-15 13:00:19,361 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 13:00:19,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 13:00:19,382 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-15 13:00:19,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:00:19 BoogieIcfgContainer [2024-11-15 13:00:19,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 13:00:19,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 13:00:19,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 13:00:19,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 13:00:19,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 12:59:58" (1/3) ... [2024-11-15 13:00:19,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cea9b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:00:19, skipping insertion in model container [2024-11-15 13:00:19,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:00" (2/3) ... [2024-11-15 13:00:19,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cea9b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:00:19, skipping insertion in model container [2024-11-15 13:00:19,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:00:19" (3/3) ... [2024-11-15 13:00:19,392 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2024-11-15 13:00:19,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 13:00:19,408 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 13:00:19,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 13:00:19,539 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;@1979d36b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 13:00:19,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 13:00:19,551 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) [2024-11-15 13:00:19,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-15 13:00:19,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:19,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:00:19,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:19,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:19,579 INFO L85 PathProgramCache]: Analyzing trace with hash 670907355, now seen corresponding path program 1 times [2024-11-15 13:00:19,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:19,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505790541] [2024-11-15 13:00:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:19,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:00:22,461 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:00:22,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437757313] [2024-11-15 13:00:22,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:22,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:22,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:22,478 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) [2024-11-15 13:00:22,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 13:00:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:00:25,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:00:25,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:00:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:00:26,009 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:00:26,010 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:00:26,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505790541] [2024-11-15 13:00:26,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:00:26,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437757313] [2024-11-15 13:00:26,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437757313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:00:26,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:00:26,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 13:00:26,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274593103] [2024-11-15 13:00:26,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:00:26,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:00:26,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:00:26,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:00:26,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:26,068 INFO L87 Difference]: Start difference. First operand has 169 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 131 states have internal predecessors, (163), 30 states have call successors, (30), 15 states have call predecessors, (30), 14 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-15 13:00:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:00:26,370 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2024-11-15 13:00:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:00:26,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-15 13:00:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:00:26,383 INFO L225 Difference]: With dead ends: 455 [2024-11-15 13:00:26,384 INFO L226 Difference]: Without dead ends: 294 [2024-11-15 13:00:26,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:26,392 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 184 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:00:26,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 402 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 13:00:26,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-15 13:00:26,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 290. [2024-11-15 13:00:26,461 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) [2024-11-15 13:00:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 359 transitions. [2024-11-15 13:00:26,471 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 359 transitions. Word has length 17 [2024-11-15 13:00:26,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:00:26,471 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 359 transitions. [2024-11-15 13:00:26,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-15 13:00:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 359 transitions. [2024-11-15 13:00:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-15 13:00:26,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:26,473 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:00:26,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-15 13:00:26,678 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,SelfDestructingSolverStorable0 [2024-11-15 13:00:26,679 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:26,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:26,680 INFO L85 PathProgramCache]: Analyzing trace with hash -676819130, now seen corresponding path program 1 times [2024-11-15 13:00:26,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:26,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118100317] [2024-11-15 13:00:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:00:28,519 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:00:28,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102672074] [2024-11-15 13:00:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:28,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:28,522 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) [2024-11-15 13:00:28,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 13:00:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:00:30,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:00:30,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:00:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:00:31,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:00:31,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:00:31,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118100317] [2024-11-15 13:00:31,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:00:31,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102672074] [2024-11-15 13:00:31,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102672074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:00:31,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:00:31,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 13:00:31,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126811305] [2024-11-15 13:00:31,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:00:31,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:00:31,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:00:31,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:00:31,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:31,250 INFO L87 Difference]: Start difference. First operand 290 states and 359 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-15 13:00:31,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:00:31,466 INFO L93 Difference]: Finished difference Result 831 states and 1038 transitions. [2024-11-15 13:00:31,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:00:31,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-15 13:00:31,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:00:31,476 INFO L225 Difference]: With dead ends: 831 [2024-11-15 13:00:31,476 INFO L226 Difference]: Without dead ends: 551 [2024-11-15 13:00:31,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:31,479 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 [2024-11-15 13:00:31,480 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] [2024-11-15 13:00:31,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-15 13:00:31,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 544. [2024-11-15 13:00:31,541 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) [2024-11-15 13:00:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 675 transitions. [2024-11-15 13:00:31,550 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 675 transitions. Word has length 18 [2024-11-15 13:00:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:00:31,550 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 675 transitions. [2024-11-15 13:00:31,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-15 13:00:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 675 transitions. [2024-11-15 13:00:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-15 13:00:31,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:31,552 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] [2024-11-15 13:00:31,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 13:00:31,753 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,SelfDestructingSolverStorable1 [2024-11-15 13:00:31,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:31,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash -510037692, now seen corresponding path program 1 times [2024-11-15 13:00:31,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:31,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881604792] [2024-11-15 13:00:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:00:33,417 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:00:33,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934205358] [2024-11-15 13:00:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:33,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:33,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:33,420 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) [2024-11-15 13:00:33,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 13:00:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:00:35,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-15 13:00:35,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:00:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:00:36,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:00:36,213 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:00:36,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881604792] [2024-11-15 13:00:36,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:00:36,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934205358] [2024-11-15 13:00:36,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934205358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:00:36,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:00:36,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 13:00:36,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335889849] [2024-11-15 13:00:36,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:00:36,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 13:00:36,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:00:36,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 13:00:36,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 13:00:36,216 INFO L87 Difference]: Start difference. First operand 544 states and 675 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-15 13:00:36,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:00:36,580 INFO L93 Difference]: Finished difference Result 1075 states and 1336 transitions. [2024-11-15 13:00:36,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 13:00:36,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-15 13:00:36,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:00:36,588 INFO L225 Difference]: With dead ends: 1075 [2024-11-15 13:00:36,588 INFO L226 Difference]: Without dead ends: 544 [2024-11-15 13:00:36,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 13:00:36,592 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-15 13:00:36,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 948 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-15 13:00:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-15 13:00:36,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-15 13:00:36,636 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) [2024-11-15 13:00:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 674 transitions. [2024-11-15 13:00:36,641 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 674 transitions. Word has length 51 [2024-11-15 13:00:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:00:36,642 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 674 transitions. [2024-11-15 13:00:36,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-15 13:00:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 674 transitions. [2024-11-15 13:00:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-15 13:00:36,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:36,644 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] [2024-11-15 13:00:36,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-15 13:00:36,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:36,846 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:36,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash -898306559, now seen corresponding path program 1 times [2024-11-15 13:00:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:36,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063246611] [2024-11-15 13:00:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:36,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:00:38,334 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:00:38,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587193223] [2024-11-15 13:00:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:38,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:38,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:38,337 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) [2024-11-15 13:00:38,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 13:00:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:00:40,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:00:40,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:00:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:00:40,739 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:00:40,739 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:00:40,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063246611] [2024-11-15 13:00:40,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:00:40,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587193223] [2024-11-15 13:00:40,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587193223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:00:40,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:00:40,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:00:40,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069251249] [2024-11-15 13:00:40,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:00:40,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:00:40,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:00:40,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:00:40,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:40,746 INFO L87 Difference]: Start difference. First operand 544 states and 674 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-15 13:00:41,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:00:41,087 INFO L93 Difference]: Finished difference Result 1118 states and 1405 transitions. [2024-11-15 13:00:41,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:00:41,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-15 13:00:41,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:00:41,092 INFO L225 Difference]: With dead ends: 1118 [2024-11-15 13:00:41,092 INFO L226 Difference]: Without dead ends: 591 [2024-11-15 13:00:41,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:41,095 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 63 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-15 13:00:41,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 305 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-15 13:00:41,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-15 13:00:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 579. [2024-11-15 13:00:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 440 states have (on average 1.2227272727272727) internal successors, (538), 443 states have internal predecessors, (538), 93 states have call successors, (93), 46 states have call predecessors, (93), 45 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-15 13:00:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 720 transitions. [2024-11-15 13:00:41,125 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 720 transitions. Word has length 56 [2024-11-15 13:00:41,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:00:41,126 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 720 transitions. [2024-11-15 13:00:41,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-15 13:00:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 720 transitions. [2024-11-15 13:00:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-15 13:00:41,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:41,129 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] [2024-11-15 13:00:41,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-15 13:00:41,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:41,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:41,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:41,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1505413123, now seen corresponding path program 1 times [2024-11-15 13:00:41,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:41,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930470667] [2024-11-15 13:00:41,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:41,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:00:42,718 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:00:42,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554859236] [2024-11-15 13:00:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:42,721 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) [2024-11-15 13:00:42,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 13:00:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:00:44,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-15 13:00:44,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:00:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-15 13:00:47,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 13:00:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-15 13:00:51,144 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:00:51,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930470667] [2024-11-15 13:00:51,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:00:51,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554859236] [2024-11-15 13:00:51,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554859236] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 13:00:51,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-15 13:00:51,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-15 13:00:51,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649735317] [2024-11-15 13:00:51,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-15 13:00:51,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-15 13:00:51,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:00:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-15 13:00:51,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-15 13:00:51,147 INFO L87 Difference]: Start difference. First operand 579 states and 720 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-15 13:00:54,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:00:57,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:01:00,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:01:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:01:00,242 INFO L93 Difference]: Finished difference Result 1208 states and 1518 transitions. [2024-11-15 13:01:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 13:01:00,243 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 [2024-11-15 13:01:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:01:00,251 INFO L225 Difference]: With dead ends: 1208 [2024-11-15 13:01:00,251 INFO L226 Difference]: Without dead ends: 647 [2024-11-15 13:01:00,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-15 13:01:00,255 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 3 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-15 13:01:00,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1503 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-15 13:01:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-15 13:01:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 627. [2024-11-15 13:01:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 476 states have (on average 1.2058823529411764) internal successors, (574), 479 states have internal predecessors, (574), 97 states have call successors, (97), 46 states have call predecessors, (97), 53 states have return successors, (117), 101 states have call predecessors, (117), 93 states have call successors, (117) [2024-11-15 13:01:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 788 transitions. [2024-11-15 13:01:00,294 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 788 transitions. Word has length 91 [2024-11-15 13:01:00,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:01:00,294 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 788 transitions. [2024-11-15 13:01:00,294 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) [2024-11-15 13:01:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 788 transitions. [2024-11-15 13:01:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-15 13:01:00,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:01:00,300 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] [2024-11-15 13:01:00,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 13:01:00,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:00,501 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:01:00,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:01:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash 981706652, now seen corresponding path program 1 times [2024-11-15 13:01:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:01:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12969075] [2024-11-15 13:01:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:02,080 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:02,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007850174] [2024-11-15 13:01:02,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:02,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:02,084 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) [2024-11-15 13:01:02,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 13:01:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:01:04,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-15 13:01:04,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:01:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-15 13:01:07,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:01:07,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:01:07,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12969075] [2024-11-15 13:01:07,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:01:07,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007850174] [2024-11-15 13:01:07,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007850174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:01:07,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:01:07,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-15 13:01:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537446892] [2024-11-15 13:01:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:01:07,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 13:01:07,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:01:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 13:01:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-15 13:01:07,228 INFO L87 Difference]: Start difference. First operand 627 states and 788 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:11,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:01:15,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 13:01:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:01:15,557 INFO L93 Difference]: Finished difference Result 1268 states and 1598 transitions. [2024-11-15 13:01:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-15 13:01:15,590 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 [2024-11-15 13:01:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:01:15,595 INFO L225 Difference]: With dead ends: 1268 [2024-11-15 13:01:15,595 INFO L226 Difference]: Without dead ends: 659 [2024-11-15 13:01:15,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-15 13:01:15,598 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-15 13:01:15,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1704 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-11-15 13:01:15,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-15 13:01:15,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2024-11-15 13:01:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 492 states have (on average 1.2073170731707317) internal successors, (594), 491 states have internal predecessors, (594), 97 states have call successors, (97), 46 states have call predecessors, (97), 53 states have return successors, (117), 105 states have call predecessors, (117), 93 states have call successors, (117) [2024-11-15 13:01:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 808 transitions. [2024-11-15 13:01:15,629 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 808 transitions. Word has length 91 [2024-11-15 13:01:15,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:01:15,632 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 808 transitions. [2024-11-15 13:01:15,632 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) [2024-11-15 13:01:15,632 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 808 transitions. [2024-11-15 13:01:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-15 13:01:15,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:01:15,634 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] [2024-11-15 13:01:15,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-15 13:01:15,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:15,835 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:01:15,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:01:15,836 INFO L85 PathProgramCache]: Analyzing trace with hash 973947293, now seen corresponding path program 2 times [2024-11-15 13:01:15,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:01:15,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863245480] [2024-11-15 13:01:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:15,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:17,246 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715847470] [2024-11-15 13:01:17,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 13:01:17,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:17,250 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:01:17,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process