/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_4_4_4_4_thresh_0_safe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 15:04:12,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 15:04:13,037 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 15:04:13,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 15:04:13,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 15:04:13,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 15:04:13,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 15:04:13,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 15:04:13,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 15:04:13,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 15:04:13,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 15:04:13,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 15:04:13,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 15:04:13,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 15:04:13,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 15:04:13,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 15:04:13,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 15:04:13,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 15:04:13,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 15:04:13,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 15:04:13,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 15:04:13,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 15:04:13,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 15:04:13,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 15:04:13,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 15:04:13,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 15:04:13,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 15:04:13,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 15:04:13,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 15:04:13,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 15:04:13,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 15:04:13,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 15:04:13,079 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 15:04:13,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 15:04:13,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 15:04:13,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 15:04:13,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 15:04:13,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 15:04:13,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 15:04:13,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 15:04:13,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 15:04:13,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 15:04:13,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 15:04:13,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 15:04:13,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/poly_4_4_4_4_thresh_0_safe.c-amalgamation.i [2024-11-03 15:04:14,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 15:04:14,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 15:04:14,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/poly_4_4_4_4_thresh_0_safe.c-amalgamation.i [2024-11-03 15:04:14,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2c6de07/006a25574c2d431b8686c9ad452d8d40/FLAG3f58b21a1 [2024-11-03 15:04:15,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2c6de07/006a25574c2d431b8686c9ad452d8d40 [2024-11-03 15:04:15,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 15:04:15,140 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 15:04:15,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 15:04:15,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 15:04:15,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 15:04:15,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:04:15" (1/1) ... [2024-11-03 15:04:15,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e75996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:15, skipping insertion in model container [2024-11-03 15:04:15,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:04:15" (1/1) ... [2024-11-03 15:04:15,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 15:04:15,753 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_4_4_4_4_thresh_0_safe.c-amalgamation.i[71475,71488] [2024-11-03 15:04:15,923 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 15:04:15,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 15:04:15,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 15:04:16,036 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_4_4_4_4_thresh_0_safe.c-amalgamation.i[71475,71488] [2024-11-03 15:04:16,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 15:04:16,234 INFO L204 MainTranslator]: Completed translation [2024-11-03 15:04:16,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16 WrapperNode [2024-11-03 15:04:16,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 15:04:16,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 15:04:16,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 15:04:16,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 15:04:16,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,315 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1236 [2024-11-03 15:04:16,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 15:04:16,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 15:04:16,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 15:04:16,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 15:04:16,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,374 INFO L175 MemorySlicer]: Split 423 memory accesses to 16 slices as follows [2, 7, 2, 4, 117, 19, 4, 85, 2, 4, 44, 118, 4, 3, 6, 2]. 28 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [2, 7, 2, 0, 26, 17, 1, 73, 0, 0, 40, 88, 1, 0, 0, 0]. The 84 writes are split as follows [0, 0, 0, 2, 69, 0, 0, 4, 1, 2, 0, 0, 0, 2, 3, 1]. [2024-11-03 15:04:16,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 15:04:16,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 15:04:16,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 15:04:16,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 15:04:16,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (1/1) ... [2024-11-03 15:04:16,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 15:04:16,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 15:04:16,470 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 15:04:16,472 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 15:04:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 15:04:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 15:04:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 15:04:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 15:04:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 15:04:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 15:04:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 15:04:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-03 15:04:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 15:04:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-03 15:04:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-03 15:04:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-03 15:04:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-03 15:04:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-03 15:04:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-03 15:04:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-03 15:04:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-03 15:04:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-03 15:04:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-03 15:04:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-03 15:04:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-03 15:04:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-03 15:04:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-03 15:04:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 15:04:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 15:04:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 15:04:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-03 15:04:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-03 15:04:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 15:04:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-03 15:04:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 15:04:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 15:04:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-03 15:04:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-03 15:04:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-03 15:04:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-03 15:04:16,817 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 15:04:16,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 15:04:40,224 INFO L? ?]: Removed 292 outVars from TransFormulas that were not future-live. [2024-11-03 15:04:40,224 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 15:04:40,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 15:04:40,235 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-03 15:04:40,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:04:40 BoogieIcfgContainer [2024-11-03 15:04:40,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 15:04:40,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 15:04:40,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 15:04:40,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 15:04:40,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:04:15" (1/3) ... [2024-11-03 15:04:40,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482db149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:04:40, skipping insertion in model container [2024-11-03 15:04:40,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:04:16" (2/3) ... [2024-11-03 15:04:40,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482db149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:04:40, skipping insertion in model container [2024-11-03 15:04:40,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:04:40" (3/3) ... [2024-11-03 15:04:40,244 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_0_safe.c-amalgamation.i [2024-11-03 15:04:40,255 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 15:04:40,255 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 15:04:40,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 15:04:40,307 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;@7fe88f66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 15:04:40,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 15:04:40,311 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 15:04:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 15:04:40,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:04:40,327 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 15:04:40,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:04:40,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:04:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1278919913, now seen corresponding path program 1 times [2024-11-03 15:04:40,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:04:40,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560656241] [2024-11-03 15:04:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:04:40,337 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:04:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:40,339 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 15:04:40,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 15:04:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:04:41,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 15:04:41,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:04:41,722 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 15:04:41,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:04:42,323 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 15:04:42,324 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:04:42,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560656241] [2024-11-03 15:04:42,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [560656241] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 15:04:42,325 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 15:04:42,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 15:04:42,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282751975] [2024-11-03 15:04:42,327 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 15:04:42,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 15:04:42,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:04:42,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 15:04:42,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 15:04:42,346 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 15:04:42,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:04:42,378 INFO L93 Difference]: Finished difference Result 437 states and 681 transitions. [2024-11-03 15:04:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 15:04:42,380 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 15:04:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:04:42,386 INFO L225 Difference]: With dead ends: 437 [2024-11-03 15:04:42,386 INFO L226 Difference]: Without dead ends: 216 [2024-11-03 15:04:42,391 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 15:04:42,393 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 15:04:42,393 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 15:04:42,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-03 15:04:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-03 15:04:42,423 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 15:04:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2024-11-03 15:04:42,427 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 133 [2024-11-03 15:04:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:04:42,428 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2024-11-03 15:04:42,428 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 15:04:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2024-11-03 15:04:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-03 15:04:42,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:04:42,434 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 15:04:42,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 15:04:42,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:42,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:04:42,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:04:42,639 INFO L85 PathProgramCache]: Analyzing trace with hash 734047339, now seen corresponding path program 1 times [2024-11-03 15:04:42,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:04:42,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818454548] [2024-11-03 15:04:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:04:42,639 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:04:42,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:42,641 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 15:04:42,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 15:04:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:04:43,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:04:43,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:04:44,652 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 15:04:44,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:04:46,408 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 15:04:46,409 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:04:46,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818454548] [2024-11-03 15:04:46,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1818454548] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:04:46,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:04:46,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:04:46,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598881179] [2024-11-03 15:04:46,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:04:46,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:04:46,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:04:46,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:04:46,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:04:46,411 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 15:04:47,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:04:47,450 INFO L93 Difference]: Finished difference Result 433 states and 579 transitions. [2024-11-03 15:04:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:04:47,452 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 15:04:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:04:47,462 INFO L225 Difference]: With dead ends: 433 [2024-11-03 15:04:47,462 INFO L226 Difference]: Without dead ends: 222 [2024-11-03 15:04:47,463 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 15:04:47,464 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 249 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 15:04:47,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 870 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 15:04:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-03 15:04:47,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-03 15:04:47,483 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 15:04:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:04:47,485 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 133 [2024-11-03 15:04:47,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:04:47,485 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:04:47,485 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 15:04:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:04:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-03 15:04:47,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:04:47,487 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 15:04:47,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 15:04:47,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:47,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:04:47,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:04:47,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1020217709, now seen corresponding path program 1 times [2024-11-03 15:04:47,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:04:47,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037060106] [2024-11-03 15:04:47,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:04:47,689 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:04:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:47,692 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 15:04:47,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 15:04:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:04:48,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:04:48,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:04:49,757 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 15:04:49,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:04:51,574 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 15:04:51,575 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:04:51,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037060106] [2024-11-03 15:04:51,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2037060106] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:04:51,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:04:51,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:04:51,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932782489] [2024-11-03 15:04:51,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:04:51,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:04:51,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:04:51,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:04:51,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:04:51,577 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 15:04:52,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:04:52,637 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:04:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:04:52,638 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 15:04:52,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:04:52,639 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:04:52,640 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:04:52,640 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 15:04:52,641 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 400 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 15:04:52,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 879 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 15:04:52,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:04:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:04:52,653 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 15:04:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:04:52,655 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 137 [2024-11-03 15:04:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:04:52,655 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:04:52,655 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 15:04:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:04:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-03 15:04:52,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:04:52,657 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 15:04:52,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-03 15:04:52,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:52,858 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:04:52,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:04:52,858 INFO L85 PathProgramCache]: Analyzing trace with hash 2061798051, now seen corresponding path program 1 times [2024-11-03 15:04:52,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:04:52,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909960382] [2024-11-03 15:04:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:04:52,859 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:04:52,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:52,863 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 15:04:52,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 15:04:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:04:54,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:04:54,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:04:54,896 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 15:04:54,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:04:56,701 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 15:04:56,702 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:04:56,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909960382] [2024-11-03 15:04:56,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [909960382] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:04:56,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:04:56,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:04:56,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620018335] [2024-11-03 15:04:56,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:04:56,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:04:56,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:04:56,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:04:56,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:04:56,706 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 15:04:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:04:57,866 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:04:57,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:04:57,870 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 15:04:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:04:57,872 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:04:57,872 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:04:57,873 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 15:04:57,877 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 398 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 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 15:04:57,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 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 15:04:57,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:04:57,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:04:57,893 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 15:04:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:04:57,901 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 145 [2024-11-03 15:04:57,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:04:57,901 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:04:57,902 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 15:04:57,902 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:04:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-03 15:04:57,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:04:57,907 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 15:04:57,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-03 15:04:58,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:58,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:04:58,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:04:58,111 INFO L85 PathProgramCache]: Analyzing trace with hash -279061525, now seen corresponding path program 1 times [2024-11-03 15:04:58,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:04:58,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763469539] [2024-11-03 15:04:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:04:58,113 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:04:58,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:04:58,114 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 15:04:58,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-03 15:04:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:04:59,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 2081 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:04:59,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:00,220 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 15:05:00,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:01,948 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 15:05:01,949 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:01,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763469539] [2024-11-03 15:05:01,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [763469539] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:05:01,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:05:01,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-03 15:05:01,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388419664] [2024-11-03 15:05:01,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:01,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:05:01,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:01,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:05:01,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:05:01,950 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 15:05:02,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:05:02,997 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:05:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:05:02,998 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 15:05:02,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:05:03,002 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:05:03,002 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:05:03,003 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 15:05:03,003 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 397 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 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 15:05:03,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 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 15:05:03,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:05:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:05:03,014 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 15:05:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:05:03,017 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 149 [2024-11-03 15:05:03,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:05:03,017 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:05:03,017 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 15:05:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:05:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-03 15:05:03,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:05:03,019 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 15:05:03,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-03 15:05:03,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:03,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:05:03,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:05:03,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1547287353, now seen corresponding path program 1 times [2024-11-03 15:05:03,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:05:03,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009750298] [2024-11-03 15:05:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:05:03,224 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:05:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:03,225 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 15:05:03,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-03 15:05:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:05:04,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 15:05:04,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:06,034 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 15:05:06,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:08,662 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 15:05:08,662 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:08,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009750298] [2024-11-03 15:05:08,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2009750298] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:05:08,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:05:08,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-03 15:05:08,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550934896] [2024-11-03 15:05:08,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:08,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 15:05:08,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:08,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 15:05:08,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-03 15:05:08,664 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 15:05:09,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:05:09,656 INFO L93 Difference]: Finished difference Result 445 states and 593 transitions. [2024-11-03 15:05:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:05:09,657 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 15:05:09,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:05:09,662 INFO L225 Difference]: With dead ends: 445 [2024-11-03 15:05:09,662 INFO L226 Difference]: Without dead ends: 228 [2024-11-03 15:05:09,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:05:09,669 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 451 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 15:05:09,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 817 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 15:05:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-03 15:05:09,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-03 15:05:09,681 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 15:05:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2024-11-03 15:05:09,683 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 153 [2024-11-03 15:05:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:05:09,684 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2024-11-03 15:05:09,684 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 15:05:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2024-11-03 15:05:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-03 15:05:09,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:05:09,687 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 15:05:09,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-03 15:05:09,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:09,888 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:05:09,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:05:09,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1290263381, now seen corresponding path program 1 times [2024-11-03 15:05:09,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:05:09,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18897609] [2024-11-03 15:05:09,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:05:09,888 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:05:09,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:09,890 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 15:05:09,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-03 15:05:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:05:11,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:05:11,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-03 15:05:13,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-03 15:05:15,216 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:15,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18897609] [2024-11-03 15:05:15,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [18897609] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 15:05:15,217 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 15:05:15,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 15:05:15,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193997693] [2024-11-03 15:05:15,217 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:15,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 15:05:15,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:15,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 15:05:15,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:05:15,218 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:16,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:05:16,329 INFO L93 Difference]: Finished difference Result 233 states and 305 transitions. [2024-11-03 15:05:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:05:16,330 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) Word has length 157 [2024-11-03 15:05:16,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:05:16,331 INFO L225 Difference]: With dead ends: 233 [2024-11-03 15:05:16,331 INFO L226 Difference]: Without dead ends: 218 [2024-11-03 15:05:16,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 305 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 15:05:16,332 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 761 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 15:05:16,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 1113 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 15:05:16,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-03 15:05:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-03 15:05:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 197 states have (on average 1.3147208121827412) internal successors, (259), 197 states have internal predecessors, (259), 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 15:05:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 288 transitions. [2024-11-03 15:05:16,360 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 288 transitions. Word has length 157 [2024-11-03 15:05:16,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:05:16,360 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 288 transitions. [2024-11-03 15:05:16,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 288 transitions. [2024-11-03 15:05:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-03 15:05:16,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:05:16,363 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, 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 15:05:16,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-03 15:05:16,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:16,564 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:05:16,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:05:16,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1631669848, now seen corresponding path program 1 times [2024-11-03 15:05:16,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:05:16,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216060729] [2024-11-03 15:05:16,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:05:16,565 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:05:16,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:16,566 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:05:16,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-03 15:05:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:05:17,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 2090 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:05:17,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-03 15:05:20,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-03 15:05:21,787 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:21,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216060729] [2024-11-03 15:05:21,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1216060729] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 15:05:21,788 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 15:05:21,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 15:05:21,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696790005] [2024-11-03 15:05:21,788 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:21,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 15:05:21,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:21,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 15:05:21,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:05:21,789 INFO L87 Difference]: Start difference. First operand 218 states and 288 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:05:22,599 INFO L93 Difference]: Finished difference Result 229 states and 299 transitions. [2024-11-03 15:05:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:05:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) Word has length 158 [2024-11-03 15:05:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:05:22,601 INFO L225 Difference]: With dead ends: 229 [2024-11-03 15:05:22,601 INFO L226 Difference]: Without dead ends: 214 [2024-11-03 15:05:22,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 307 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 15:05:22,602 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 601 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-03 15:05:22,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 753 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-03 15:05:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-03 15:05:22,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-03 15:05:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 193 states have (on average 1.310880829015544) internal successors, (253), 193 states have internal predecessors, (253), 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 15:05:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 282 transitions. [2024-11-03 15:05:22,611 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 282 transitions. Word has length 158 [2024-11-03 15:05:22,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:05:22,612 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 282 transitions. [2024-11-03 15:05:22,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2024-11-03 15:05:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-03 15:05:22,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:05:22,613 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, 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 15:05:22,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-03 15:05:22,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:22,817 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:05:22,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:05:22,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1718496788, now seen corresponding path program 1 times [2024-11-03 15:05:22,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:05:22,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900211110] [2024-11-03 15:05:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:05:22,819 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:05:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:22,823 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:05:22,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-03 15:05:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:05:24,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:05:24,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 15:05:26,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 15:05:28,279 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:28,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900211110] [2024-11-03 15:05:28,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [900211110] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 15:05:28,279 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 15:05:28,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 15:05:28,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004767919] [2024-11-03 15:05:28,280 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:28,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 15:05:28,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:28,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 15:05:28,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:05:28,281 INFO L87 Difference]: Start difference. First operand 214 states and 282 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:05:29,171 INFO L93 Difference]: Finished difference Result 225 states and 293 transitions. [2024-11-03 15:05:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:05:29,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) Word has length 160 [2024-11-03 15:05:29,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:05:29,174 INFO L225 Difference]: With dead ends: 225 [2024-11-03 15:05:29,174 INFO L226 Difference]: Without dead ends: 210 [2024-11-03 15:05:29,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 311 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 15:05:29,176 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 524 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 15:05:29,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 828 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 15:05:29,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-03 15:05:29,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-03 15:05:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 189 states have (on average 1.306878306878307) internal successors, (247), 189 states have internal predecessors, (247), 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 15:05:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 276 transitions. [2024-11-03 15:05:29,187 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 276 transitions. Word has length 160 [2024-11-03 15:05:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:05:29,188 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 276 transitions. [2024-11-03 15:05:29,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 276 transitions. [2024-11-03 15:05:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-03 15:05:29,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:05:29,190 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, 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 15:05:29,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Forceful destruction successful, exit code 0 [2024-11-03 15:05:29,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:29,395 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:05:29,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:05:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash 272305505, now seen corresponding path program 1 times [2024-11-03 15:05:29,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:05:29,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481037079] [2024-11-03 15:05:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:05:29,395 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:05:29,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:29,397 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:05:29,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-03 15:05:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:05:30,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 15:05:30,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-03 15:05:33,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-03 15:05:34,966 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481037079] [2024-11-03 15:05:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [481037079] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 15:05:34,967 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 15:05:34,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2024-11-03 15:05:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051474192] [2024-11-03 15:05:34,967 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:34,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 15:05:34,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 15:05:34,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 15:05:34,968 INFO L87 Difference]: Start difference. First operand 210 states and 276 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 15:05:36,098 INFO L93 Difference]: Finished difference Result 221 states and 287 transitions. [2024-11-03 15:05:36,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 15:05:36,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) Word has length 161 [2024-11-03 15:05:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 15:05:36,103 INFO L225 Difference]: With dead ends: 221 [2024-11-03 15:05:36,104 INFO L226 Difference]: Without dead ends: 206 [2024-11-03 15:05:36,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 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 15:05:36,107 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 516 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-03 15:05:36,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1044 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-03 15:05:36,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-03 15:05:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-03 15:05:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 185 states have internal predecessors, (241), 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 15:05:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 270 transitions. [2024-11-03 15:05:36,127 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 270 transitions. Word has length 161 [2024-11-03 15:05:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 15:05:36,127 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 270 transitions. [2024-11-03 15:05:36,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-03 15:05:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 270 transitions. [2024-11-03 15:05:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-03 15:05:36,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:05:36,129 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, 5, 5, 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] [2024-11-03 15:05:36,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Forceful destruction successful, exit code 0 [2024-11-03 15:05:36,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:36,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:05:36,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:05:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash -508386421, now seen corresponding path program 1 times [2024-11-03 15:05:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:05:36,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601250864] [2024-11-03 15:05:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:05:36,333 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:05:36,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:05:36,334 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 15:05:36,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-03 15:05:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 15:05:37,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-03 15:05:37,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 15:05:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-03 15:05:39,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 15:05:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-03 15:05:41,400 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 15:05:41,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601250864] [2024-11-03 15:05:41,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1601250864] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 15:05:41,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 15:05:41,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2024-11-03 15:05:41,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092533072] [2024-11-03 15:05:41,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 15:05:41,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 15:05:41,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 15:05:41,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 15:05:41,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-03 15:05:41,401 INFO L87 Difference]: Start difference. First operand 206 states and 270 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-03 15:05:45,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 15:05:49,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 15:05:53,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 15:05:57,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]