/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 15:06:40,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 15:06:40,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 15:06:40,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 15:06:40,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 15:06:40,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 15:06:40,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 15:06:40,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 15:06:40,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 15:06:40,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 15:06:40,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 15:06:40,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 15:06:40,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 15:06:40,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 15:06:40,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 15:06:40,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 15:06:40,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 15:06:40,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 15:06:40,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 15:06:40,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 15:06:40,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 15:06:40,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 15:06:40,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 15:06:40,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 15:06:40,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 15:06:40,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 15:06:40,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 15:06:40,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 15:06:40,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 15:06:40,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 15:06:40,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 15:06:40,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 15:06:40,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 15:06:40,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 15:06:40,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 15:06:40,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 15:06:40,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 15:06:40,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 15:06:40,454 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 15:06:40,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 15:06:40,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 15:06:40,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 15:06:40,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 15:06:40,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 15:06:40,456 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 15:06:40,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 15:06:40,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 15:06:40,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 15:06:40,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 15:06:40,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 15:06:40,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2024-11-03 15:06:42,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 15:06:42,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 15:06:42,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2024-11-03 15:06:42,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86057862/45e631f1ecee4b43ba1255eab9d6c0de/FLAGc1bc0dd82 [2024-11-03 15:06:42,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a86057862/45e631f1ecee4b43ba1255eab9d6c0de [2024-11-03 15:06:42,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 15:06:42,432 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 15:06:42,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 15:06:42,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 15:06:42,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 15:06:42,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:06:42" (1/1) ... [2024-11-03 15:06:42,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13959b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:42, skipping insertion in model container [2024-11-03 15:06:42,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:06:42" (1/1) ... [2024-11-03 15:06:42,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 15:06:43,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i[71475,71488] [2024-11-03 15:06:43,389 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-03 15:06:43,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 15:06:43,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 15:06:43,472 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i[71475,71488] [2024-11-03 15:06:43,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 15:06:43,869 INFO L204 MainTranslator]: Completed translation [2024-11-03 15:06:43,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43 WrapperNode [2024-11-03 15:06:43,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 15:06:43,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 15:06:43,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 15:06:43,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 15:06:43,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:43,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,038 INFO L138 Inliner]: procedures = 779, calls = 975, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1588 [2024-11-03 15:06:44,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 15:06:44,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 15:06:44,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 15:06:44,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 15:06:44,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,145 INFO L175 MemorySlicer]: Split 775 memory accesses to 16 slices as follows [35, 118, 2, 285, 7, 2, 44, 2, 4, 4, 253, 3, 6, 2, 4, 4]. 37 percent of accesses are in the largest equivalence class. The 465 initializations are split as follows [33, 88, 2, 50, 7, 2, 40, 0, 0, 1, 241, 0, 0, 0, 1, 0]. The 228 writes are split as follows [0, 0, 0, 213, 0, 0, 0, 1, 2, 0, 4, 2, 3, 1, 0, 2]. [2024-11-03 15:06:44,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 15:06:44,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 15:06:44,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 15:06:44,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 15:06:44,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (1/1) ... [2024-11-03 15:06:44,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 15:06:44,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 15:06:44,305 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) [2024-11-03 15:06:44,310 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 [2024-11-03 15:06:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 15:06:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 15:06:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 15:06:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 15:06:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 15:06:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 15:06:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 15:06:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 15:06:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 15:06:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 15:06:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 15:06:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 15:06:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 15:06:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 15:06:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 15:06:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 15:06:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 15:06:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 15:06:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 15:06:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 15:06:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 15:06:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-03 15:06:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-03 15:06:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-03 15:06:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-03 15:06:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 15:06:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-03 15:06:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-03 15:06:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-03 15:06:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-03 15:06:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-03 15:06:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-03 15:06:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-03 15:06:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-03 15:06:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-03 15:06:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-03 15:06:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-03 15:06:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-03 15:06:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 15:06:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-03 15:06:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-03 15:06:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-03 15:06:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-03 15:06:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-03 15:06:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-03 15:06:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-03 15:06:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 15:06:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 15:06:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 15:06:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 15:06:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 15:06:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 15:06:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 15:06:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 15:06:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-03 15:06:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-03 15:06:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 15:06:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 15:06:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 15:06:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-03 15:06:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 15:06:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 15:06:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 15:06:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 15:06:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-03 15:06:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-03 15:06:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-03 15:06:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-03 15:06:44,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 15:06:44,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 15:07:07,421 INFO L? ?]: Removed 292 outVars from TransFormulas that were not future-live. [2024-11-03 15:07:07,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 15:07:07,441 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 15:07:07,441 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-03 15:07:07,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:07:07 BoogieIcfgContainer [2024-11-03 15:07:07,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 15:07:07,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 15:07:07,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 15:07:07,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 15:07:07,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:06:42" (1/3) ... [2024-11-03 15:07:07,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c2a859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:07:07, skipping insertion in model container [2024-11-03 15:07:07,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:06:43" (2/3) ... [2024-11-03 15:07:07,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c2a859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:07:07, skipping insertion in model container [2024-11-03 15:07:07,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:07:07" (3/3) ... [2024-11-03 15:07:07,449 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2024-11-03 15:07:07,463 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 15:07:07,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 15:07:07,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 15:07:07,536 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;@baa7337, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 15:07:07,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 15:07:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 220 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 15:07:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 15:07:07,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:07:07,595 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:07:07,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:07:07,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:07:07,603 INFO L85 PathProgramCache]: Analyzing trace with hash -382946271, now seen corresponding path program 1 times [2024-11-03 15:07:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:07:07,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397793543] [2024-11-03 15:07:07,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:07:07,612 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:07:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:07,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:07:07,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 15:07:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:07:15,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 3920 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 15:07:15,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:07:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-03 15:07:15,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:07:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-03 15:07:16,105 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:07:16,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397793543] [2024-11-03 15:07:16,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1397793543] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 15:07:16,106 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 15:07:16,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 15:07:16,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705523264] [2024-11-03 15:07:16,107 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 15:07:16,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 15:07:16,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:07:16,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 15:07:16,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 15:07:16,132 INFO L87 Difference]: Start difference. First operand has 220 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-03 15:07:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:07:16,176 INFO L93 Difference]: Finished difference Result 437 states and 681 transitions. [2024-11-03 15:07:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 15:07:16,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-03 15:07:16,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:07:16,193 INFO L225 Difference]: With dead ends: 437 [2024-11-03 15:07:16,193 INFO L226 Difference]: Without dead ends: 216 [2024-11-03 15:07:16,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 15:07:16,203 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 15:07:16,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 15:07:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-03 15:07:16,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-03 15:07:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 197 states have (on average 1.3248730964467006) internal successors, (261), 197 states have internal predecessors, (261), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 15:07:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2024-11-03 15:07:16,258 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 133 [2024-11-03 15:07:16,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:07:16,258 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2024-11-03 15:07:16,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-03 15:07:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2024-11-03 15:07:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 15:07:16,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:07:16,267 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:07:16,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 15:07:16,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:16,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:07:16,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:07:16,468 INFO L85 PathProgramCache]: Analyzing trace with hash -927818845, now seen corresponding path program 1 times [2024-11-03 15:07:16,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:07:16,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186938108] [2024-11-03 15:07:16,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:07:16,469 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:07:16,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:16,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:07:16,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 15:07:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:07:23,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:07:23,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:07:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 15:07:24,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:07:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-03 15:07:25,826 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:07:25,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186938108] [2024-11-03 15:07:25,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [186938108] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:07:25,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:07:25,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:07:25,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132641952] [2024-11-03 15:07:25,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:07:25,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:07:25,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:07:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:07:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:07:25,830 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:07:26,782 INFO L93 Difference]: Finished difference Result 433 states and 579 transitions. [2024-11-03 15:07:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:07:26,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-03 15:07:26,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:07:26,787 INFO L225 Difference]: With dead ends: 433 [2024-11-03 15:07:26,787 INFO L226 Difference]: Without dead ends: 222 [2024-11-03 15:07:26,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 15:07:26,790 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 249 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 15:07:26,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 870 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 15:07:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-03 15:07:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-03 15:07:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 15:07:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:07:26,810 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 133 [2024-11-03 15:07:26,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:07:26,811 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:07:26,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:07:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-03 15:07:26,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:07:26,813 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:07:26,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 15:07:27,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:27,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:07:27,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:07:27,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1607605419, now seen corresponding path program 1 times [2024-11-03 15:07:27,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:07:27,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194181873] [2024-11-03 15:07:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:07:27,015 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:07:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:27,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:07:27,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 15:07:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:07:33,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 3925 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:07:33,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:07:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-03 15:07:34,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:07:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-03 15:07:36,177 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:07:36,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194181873] [2024-11-03 15:07:36,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1194181873] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:07:36,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:07:36,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:07:36,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821021548] [2024-11-03 15:07:36,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:07:36,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:07:36,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:07:36,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:07:36,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:07:36,180 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:07:37,146 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:07:37,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:07:37,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 137 [2024-11-03 15:07:37,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:07:37,150 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:07:37,150 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:07:37,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 15:07:37,152 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 400 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 15:07:37,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 879 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 15:07:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:07:37,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:07:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 15:07:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:07:37,170 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 137 [2024-11-03 15:07:37,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:07:37,170 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:07:37,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:07:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-03 15:07:37,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:07:37,173 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:07:37,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-03 15:07:37,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:37,375 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:07:37,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:07:37,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1431151803, now seen corresponding path program 1 times [2024-11-03 15:07:37,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:07:37,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665646011] [2024-11-03 15:07:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:07:37,376 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:07:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:37,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:07:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 15:07:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:07:44,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:07:44,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:07:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 15:07:44,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:07:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-03 15:07:46,634 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:07:46,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665646011] [2024-11-03 15:07:46,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1665646011] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:07:46,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:07:46,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:07:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042802991] [2024-11-03 15:07:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:07:46,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:07:46,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:07:46,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:07:46,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:07:46,639 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:07:47,619 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:07:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:07:47,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 145 [2024-11-03 15:07:47,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:07:47,622 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:07:47,622 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:07:47,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 15:07:47,624 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 398 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 15:07:47,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 879 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 15:07:47,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:07:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:07:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 15:07:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:07:47,647 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 145 [2024-11-03 15:07:47,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:07:47,648 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:07:47,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:07:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-03 15:07:47,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:07:47,653 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:07:47,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-03 15:07:47,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:47,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:07:47,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:07:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1797254365, now seen corresponding path program 1 times [2024-11-03 15:07:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:07:47,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074475619] [2024-11-03 15:07:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:07:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:07:47,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:47,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:07:47,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-03 15:07:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:07:54,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:07:54,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:07:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-03 15:07:55,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:07:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-03 15:07:57,404 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:07:57,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074475619] [2024-11-03 15:07:57,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1074475619] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:07:57,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:07:57,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:07:57,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668457213] [2024-11-03 15:07:57,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:07:57,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:07:57,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:07:57,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:07:57,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:07:57,406 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:58,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:07:58,499 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:07:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:07:58,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 149 [2024-11-03 15:07:58,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:07:58,502 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:07:58,502 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:07:58,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 15:07:58,505 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 397 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 15:07:58,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 879 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 15:07:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:07:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:07:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 15:07:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:07:58,525 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 149 [2024-11-03 15:07:58,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:07:58,526 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:07:58,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:07:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:07:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-03 15:07:58,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:07:58,530 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:07:58,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-03 15:07:58,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:58,731 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:07:58,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:07:58,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1981803809, now seen corresponding path program 1 times [2024-11-03 15:07:58,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:07:58,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775661020] [2024-11-03 15:07:58,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:07:58,732 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:07:58,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:07:58,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:07:58,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-03 15:08:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:08:05,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 15:08:05,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:08:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-03 15:08:07,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:08:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-03 15:08:10,332 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:08:10,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775661020] [2024-11-03 15:08:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [775661020] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:08:10,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:08:10,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-03 15:08:10,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076617239] [2024-11-03 15:08:10,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:08:10,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:08:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:08:10,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:08:10,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-03 15:08:10,334 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:08:11,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:08:11,459 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:08:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:08:11,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 153 [2024-11-03 15:08:11,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:08:11,462 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:08:11,462 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:08:11,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:08:11,464 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 451 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 15:08:11,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 817 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 15:08:11,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:08:11,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:08:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-03 15:08:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:08:11,479 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 153 [2024-11-03 15:08:11,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:08:11,481 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:08:11,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:08:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:08:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-03 15:08:11,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:08:11,485 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 15:08:11,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-03 15:08:11,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:08:11,686 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:08:11,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:08:11,686 INFO L85 PathProgramCache]: Analyzing trace with hash 657915875, now seen corresponding path program 1 times [2024-11-03 15:08:11,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:08:11,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543677226] [2024-11-03 15:08:11,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:08:11,687 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:08:11,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:08:11,688 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:08:11,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process