/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_128_thresh_2_safe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 14:58:09,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 14:58:10,004 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 14:58:10,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 14:58:10,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 14:58:10,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 14:58:10,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 14:58:10,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 14:58:10,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 14:58:10,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 14:58:10,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 14:58:10,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 14:58:10,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 14:58:10,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 14:58:10,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 14:58:10,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 14:58:10,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 14:58:10,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 14:58:10,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 14:58:10,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 14:58:10,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 14:58:10,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 14:58:10,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 14:58:10,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 14:58:10,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 14:58:10,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 14:58:10,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 14:58:10,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 14:58:10,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 14:58:10,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 14:58:10,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 14:58:10,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 14:58:10,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 14:58:10,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 14:58:10,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:58:10,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 14:58:10,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 14:58:10,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 14:58:10,049 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 14:58:10,049 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 14:58:10,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 14:58:10,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 14:58:10,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 14:58:10,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 14:58:10,050 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 14:58:10,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 14:58:10,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 14:58:10,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 14:58:10,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 14:58:10,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 14:58:10,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/poly_128_thresh_2_safe.c-amalgamation.i [2024-11-03 14:58:11,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 14:58:12,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 14:58:12,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_128_thresh_2_safe.c-amalgamation.i [2024-11-03 14:58:12,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82bf79f14/83c6b878aca9411893a15856dd80d137/FLAG09fcaa3ff [2024-11-03 14:58:12,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82bf79f14/83c6b878aca9411893a15856dd80d137 [2024-11-03 14:58:12,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 14:58:12,143 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 14:58:12,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 14:58:12,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 14:58:12,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 14:58:12,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:58:12" (1/1) ... [2024-11-03 14:58:12,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204602a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:12, skipping insertion in model container [2024-11-03 14:58:12,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:58:12" (1/1) ... [2024-11-03 14:58:12,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 14:58:12,893 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_128_thresh_2_safe.c-amalgamation.i[71457,71470] [2024-11-03 14:58:13,175 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-03 14:58:13,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:58:13,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 14:58:13,259 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_128_thresh_2_safe.c-amalgamation.i[71457,71470] [2024-11-03 14:58:13,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:58:13,657 INFO L204 MainTranslator]: Completed translation [2024-11-03 14:58:13,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13 WrapperNode [2024-11-03 14:58:13,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 14:58:13,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 14:58:13,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 14:58:13,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 14:58:13,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:13,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:13,847 INFO L138 Inliner]: procedures = 779, calls = 1242, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1834 [2024-11-03 14:58:13,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 14:58:13,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 14:58:13,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 14:58:13,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 14:58:13,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:13,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:13,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:13,946 INFO L175 MemorySlicer]: Split 1087 memory accesses to 16 slices as follows [2, 2, 7, 2, 132, 4, 4, 4, 397, 428, 2, 4, 70, 6, 3, 20]. 39 percent of accesses are in the largest equivalence class. The 585 initializations are split as follows [2, 0, 7, 2, 1, 1, 0, 0, 385, 130, 0, 1, 40, 0, 0, 16]. The 420 writes are split as follows [0, 1, 0, 0, 129, 0, 2, 2, 4, 276, 1, 0, 0, 3, 2, 0]. [2024-11-03 14:58:13,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:13,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:14,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:14,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:14,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:14,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:14,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 14:58:14,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 14:58:14,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 14:58:14,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 14:58:14,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (1/1) ... [2024-11-03 14:58:14,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:58:14,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 14:58:14,124 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 14:58:14,127 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 14:58:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 14:58:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 14:58:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 14:58:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 14:58:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 14:58:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 14:58:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 14:58:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 14:58:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 14:58:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 14:58:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 14:58:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 14:58:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 14:58:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-03 14:58:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-03 14:58:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-03 14:58:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 14:58:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-03 14:58:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-03 14:58:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-03 14:58:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-03 14:58:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-03 14:58:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-03 14:58:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-03 14:58:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-03 14:58:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-03 14:58:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-03 14:58:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-03 14:58:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-03 14:58:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-03 14:58:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-03 14:58:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-03 14:58:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-03 14:58:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-03 14:58:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-03 14:58:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 14:58:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-03 14:58:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-03 14:58:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-03 14:58:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-03 14:58:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-03 14:58:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-03 14:58:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-03 14:58:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-03 14:58:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-03 14:58:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 14:58:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 14:58:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 14:58:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 14:58:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-03 14:58:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-03 14:58:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 14:58:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 14:58:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 14:58:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 14:58:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 14:58:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 14:58:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-03 14:58:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 14:58:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-03 14:58:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-03 14:58:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 14:58:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 14:58:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 14:58:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 14:58:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 14:58:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 14:58:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 14:58:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 14:58:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 14:58:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 14:58:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 14:58:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 14:58:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-03 14:58:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-03 14:58:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-03 14:58:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-03 14:58:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-03 14:58:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-03 14:58:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-03 14:58:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-03 14:58:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-03 14:58:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-03 14:58:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-03 14:58:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-03 14:58:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-03 14:58:14,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 14:58:14,606 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 14:58:39,995 INFO L? ?]: Removed 283 outVars from TransFormulas that were not future-live. [2024-11-03 14:58:39,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 14:58:40,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 14:58:40,019 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-03 14:58:40,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:58:40 BoogieIcfgContainer [2024-11-03 14:58:40,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 14:58:40,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 14:58:40,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 14:58:40,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 14:58:40,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:58:12" (1/3) ... [2024-11-03 14:58:40,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6826fe2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:58:40, skipping insertion in model container [2024-11-03 14:58:40,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:58:13" (2/3) ... [2024-11-03 14:58:40,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6826fe2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:58:40, skipping insertion in model container [2024-11-03 14:58:40,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:58:40" (3/3) ... [2024-11-03 14:58:40,028 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_128_thresh_2_safe.c-amalgamation.i [2024-11-03 14:58:40,042 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 14:58:40,042 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 14:58:40,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 14:58:40,124 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;@16f5ad98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 14:58:40,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 14:58:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 14:58:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-03 14:58:40,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:58:40,144 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:58:40,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:58:40,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:58:40,151 INFO L85 PathProgramCache]: Analyzing trace with hash -11908626, now seen corresponding path program 1 times [2024-11-03 14:58:40,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:58:40,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912975559] [2024-11-03 14:58:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:58:40,161 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:58:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:58:40,163 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 14:58:40,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 14:59:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:59:00,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 5465 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 14:59:00,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:59:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-03 14:59:00,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:59:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-03 14:59:00,465 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:59:00,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912975559] [2024-11-03 14:59:00,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1912975559] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:59:00,466 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:59:00,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 14:59:00,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793939499] [2024-11-03 14:59:00,469 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:59:00,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 14:59:00,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:59:00,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 14:59:00,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 14:59:00,496 INFO L87 Difference]: Start difference. First operand has 217 states, 200 states have (on average 1.555) internal successors, (311), 201 states have internal predecessors, (311), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) 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, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-03 14:59:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:59:00,552 INFO L93 Difference]: Finished difference Result 431 states and 666 transitions. [2024-11-03 14:59:00,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 14:59:00,556 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, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-03 14:59:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:59:00,566 INFO L225 Difference]: With dead ends: 431 [2024-11-03 14:59:00,566 INFO L226 Difference]: Without dead ends: 213 [2024-11-03 14:59:00,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 14:59:00,579 INFO L432 NwaCegarLoop]: 285 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, 285 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 14:59:00,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 14:59:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-03 14:59:00,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-03 14:59:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 197 states have (on average 1.3248730964467006) internal successors, (261), 197 states have internal predecessors, (261), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 14:59:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-03 14:59:00,630 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 58 [2024-11-03 14:59:00,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:59:00,631 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-03 14:59:00,631 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, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-03 14:59:00,631 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-03 14:59:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-03 14:59:00,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:59:00,637 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:59:00,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 14:59:00,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:59:00,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:59:00,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:59:00,841 INFO L85 PathProgramCache]: Analyzing trace with hash 28766124, now seen corresponding path program 1 times [2024-11-03 14:59:00,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:59:00,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795670956] [2024-11-03 14:59:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:59:00,842 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:59:00,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:59:00,845 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 14:59:00,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 14:59:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:59:20,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 5466 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 14:59:20,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:59:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:59:21,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:59:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-03 14:59:23,362 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:59:23,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795670956] [2024-11-03 14:59:23,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [795670956] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 14:59:23,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 14:59:23,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 14:59:23,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541061890] [2024-11-03 14:59:23,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 14:59:23,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 14:59:23,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:59:23,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 14:59:23,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 14:59:23,365 INFO L87 Difference]: Start difference. First operand 213 states and 281 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-03 14:59:24,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:59:24,291 INFO L93 Difference]: Finished difference Result 427 states and 564 transitions. [2024-11-03 14:59:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 14:59:24,292 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 58 [2024-11-03 14:59:24,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:59:24,296 INFO L225 Difference]: With dead ends: 427 [2024-11-03 14:59:24,296 INFO L226 Difference]: Without dead ends: 219 [2024-11-03 14:59:24,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 14:59:24,298 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 246 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 14:59:24,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 867 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 14:59:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-03 14:59:24,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-03 14:59:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-03 14:59:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 288 transitions. [2024-11-03 14:59:24,317 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 288 transitions. Word has length 58 [2024-11-03 14:59:24,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:59:24,317 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 288 transitions. [2024-11-03 14:59:24,318 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-03 14:59:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 288 transitions. [2024-11-03 14:59:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-03 14:59:24,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:59:24,320 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:59:24,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 14:59:24,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:59:24,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:59:24,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:59:24,525 INFO L85 PathProgramCache]: Analyzing trace with hash -655850541, now seen corresponding path program 1 times [2024-11-03 14:59:24,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:59:24,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767856683] [2024-11-03 14:59:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:59:24,526 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:59:24,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:59:24,528 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 14:59:24,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 14:59:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:59:44,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 5467 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 14:59:44,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:59:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:59:45,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:59:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-03 14:59:46,770 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:59:46,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767856683] [2024-11-03 14:59:46,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1767856683] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 14:59:46,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 14:59:46,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 14:59:46,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622177555] [2024-11-03 14:59:46,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 14:59:46,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 14:59:46,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:59:46,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 14:59:46,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 14:59:46,773 INFO L87 Difference]: Start difference. First operand 219 states and 288 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-03 14:59:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:59:47,744 INFO L93 Difference]: Finished difference Result 439 states and 578 transitions. [2024-11-03 14:59:47,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 14:59:47,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 59 [2024-11-03 14:59:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:59:47,747 INFO L225 Difference]: With dead ends: 439 [2024-11-03 14:59:47,747 INFO L226 Difference]: Without dead ends: 225 [2024-11-03 14:59:47,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 14:59:47,748 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 242 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 14:59:47,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 876 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 14:59:47,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-03 14:59:47,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2024-11-03 14:59:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 201 states have (on average 1.318407960199005) internal successors, (265), 201 states have internal predecessors, (265), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-03 14:59:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 288 transitions. [2024-11-03 14:59:47,764 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 288 transitions. Word has length 59 [2024-11-03 14:59:47,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:59:47,764 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 288 transitions. [2024-11-03 14:59:47,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-03 14:59:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 288 transitions. [2024-11-03 14:59:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-03 14:59:47,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:59:47,767 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:59:47,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-03 14:59:47,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:59:47,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:59:47,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:59:47,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1135331049, now seen corresponding path program 1 times [2024-11-03 14:59:47,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:59:47,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825313155] [2024-11-03 14:59:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:59:47,972 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:59:47,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:59:47,974 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 14:59:47,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process