/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/filter_iir.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:52:28,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:52:28,986 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 05:52:28,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:52:28,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:52:29,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:52:29,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:52:29,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:52:29,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:52:29,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:52:29,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:52:29,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:52:29,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:52:29,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:52:29,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:52:29,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:52:29,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:52:29,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:52:29,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:52:29,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:52:29,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:52:29,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:52:29,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:52:29,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:52:29,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:52:29,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:52:29,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:52:29,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:52:29,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:52:29,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:52:29,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:52:29,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:52:29,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:52:29,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:52:29,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:52:29,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:52:29,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:52:29,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:52:29,027 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:52:29,027 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:52:29,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:52:29,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:52:29,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:52:29,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:52:29,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:52:29,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:52:29,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:52:29,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:52:29,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:52:29,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:52:29,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter_iir.c [2024-11-03 05:52:30,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:52:30,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:52:30,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir.c [2024-11-03 05:52:30,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72e92fad/9069d6b2f122425eabaf59ec78ad9e31/FLAG97c9bd15c [2024-11-03 05:52:30,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72e92fad/9069d6b2f122425eabaf59ec78ad9e31 [2024-11-03 05:52:30,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:52:30,977 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:52:30,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:52:30,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:52:30,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:52:30,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:52:30" (1/1) ... [2024-11-03 05:52:30,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9b5b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:30, skipping insertion in model container [2024-11-03 05:52:30,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:52:30" (1/1) ... [2024-11-03 05:52:31,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:52:31,140 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir.c[583,596] [2024-11-03 05:52:31,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:52:31,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:52:31,197 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter_iir.c[583,596] [2024-11-03 05:52:31,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:52:31,237 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:52:31,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31 WrapperNode [2024-11-03 05:52:31,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:52:31,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:52:31,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:52:31,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:52:31,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,289 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2024-11-03 05:52:31,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:52:31,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:52:31,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:52:31,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:52:31,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,310 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,323 INFO L175 MemorySlicer]: Split 54 memory accesses to 9 slices as follows [2, 6, 4, 6, 4, 11, 11, 5, 5]. 20 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 2, 3, 2, 2, 2, 1, 1]. The 11 writes are split as follows [0, 0, 0, 0, 0, 4, 4, 2, 1]. [2024-11-03 05:52:31,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:52:31,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:52:31,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:52:31,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:52:31,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (1/1) ... [2024-11-03 05:52:31,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:52:31,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:52:31,396 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 05:52:31,398 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 05:52:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:52:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-03 05:52:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-03 05:52:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-03 05:52:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-03 05:52:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 05:52:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-03 05:52:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-03 05:52:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-03 05:52:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-03 05:52:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:52:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:52:31,529 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:52:31,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:52:36,285 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-03 05:52:36,285 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:52:36,294 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:52:36,294 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:52:36,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:52:36 BoogieIcfgContainer [2024-11-03 05:52:36,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:52:36,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:52:36,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:52:36,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:52:36,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:52:30" (1/3) ... [2024-11-03 05:52:36,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186c1b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:52:36, skipping insertion in model container [2024-11-03 05:52:36,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:52:31" (2/3) ... [2024-11-03 05:52:36,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186c1b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:52:36, skipping insertion in model container [2024-11-03 05:52:36,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:52:36" (3/3) ... [2024-11-03 05:52:36,300 INFO L112 eAbstractionObserver]: Analyzing ICFG filter_iir.c [2024-11-03 05:52:36,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:52:36,311 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:52:36,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:52:36,383 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;@42871a24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:52:36,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:52:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:52:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 05:52:36,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:52:36,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:52:36,397 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:52:36,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:52:36,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1398280527, now seen corresponding path program 1 times [2024-11-03 05:52:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:52:36,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923599660] [2024-11-03 05:52:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:52:36,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:52:36,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:52:36,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:52:36,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:52:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:52:36,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:52:36,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:52:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:52:36,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:52:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:52:36,617 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:52:36,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923599660] [2024-11-03 05:52:36,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1923599660] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:52:36,618 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:52:36,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 05:52:36,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110858116] [2024-11-03 05:52:36,621 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:52:36,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:52:36,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:52:36,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:52:36,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:52:36,647 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:52:36,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:52:36,657 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2024-11-03 05:52:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:52:36,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-03 05:52:36,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:52:36,664 INFO L225 Difference]: With dead ends: 30 [2024-11-03 05:52:36,664 INFO L226 Difference]: Without dead ends: 14 [2024-11-03 05:52:36,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 05:52:36,669 INFO L432 NwaCegarLoop]: 16 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, 16 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 05:52:36,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:52:36,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-03 05:52:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-03 05:52:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:52:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-11-03 05:52:36,706 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 12 [2024-11-03 05:52:36,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:52:36,706 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-03 05:52:36,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:52:36,706 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-03 05:52:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 05:52:36,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:52:36,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:52:36,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:52:36,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:52:36,910 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:52:36,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:52:36,911 INFO L85 PathProgramCache]: Analyzing trace with hash 376726835, now seen corresponding path program 1 times [2024-11-03 05:52:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:52:36,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205914772] [2024-11-03 05:52:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:52:36,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:52:36,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:52:36,913 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:52:36,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:52:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:52:37,168 WARN L253 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-03 05:52:37,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:52:41,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:41,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-03 05:52:42,273 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:42,288 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:42,304 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:42,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2024-11-03 05:52:42,878 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:42,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:42,910 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:52:42,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2024-11-03 05:52:48,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-03 05:53:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:53:05,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:53:09,240 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_22| (_ BitVec 64))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_22|)) (let ((.cse0 (let ((.cse1 (select |c_#memory_int#5| |c_~#D1~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#D1~0.offset|)) (select .cse1 |c_~#D1~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) is different from false [2024-11-03 05:53:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:53:10,267 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:53:10,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205914772] [2024-11-03 05:53:10,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [205914772] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:53:10,267 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:53:10,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2024-11-03 05:53:10,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125769249] [2024-11-03 05:53:10,267 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:53:10,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 05:53:10,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:53:10,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 05:53:10,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=46, Unknown=2, NotChecked=14, Total=90 [2024-11-03 05:53:10,269 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:53:16,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.07s 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 05:53:20,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 05:53:24,337 WARN L539 Checker$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, 1] [2024-11-03 05:53:28,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 05:53:32,358 WARN L539 Checker$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 [0] [2024-11-03 05:53:36,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 05:53:40,367 WARN L539 Checker$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, 1] [2024-11-03 05:53:49,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 05:53:53,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 05:53:57,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 05:54:01,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 05:54:05,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 05:54:09,595 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (forall ((|v_skolemized_q#valueAsBitvector_22| (_ BitVec 64))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_22|)) (let ((.cse3 (let ((.cse4 (select |c_#memory_int#5| |c_~#D1~0.base|))) (concat (select .cse4 (bvadd (_ bv4 32) |c_~#D1~0.offset|)) (select .cse4 |c_~#D1~0.offset|))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (= (_ bv0 32) |c_~#A1~0.offset|) (exists ((v_skolemized_v_prenex_13_5 (_ BitVec 64))) (= .cse0 (fp ((_ extract 63 63) v_skolemized_v_prenex_13_5) ((_ extract 62 52) v_skolemized_v_prenex_13_5) ((_ extract 51 0) v_skolemized_v_prenex_13_5)))) (= (_ bv9 32) |c_~#D2~0.base|) (exists ((v_skolemized_v_prenex_11_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_11_5) ((_ extract 62 52) v_skolemized_v_prenex_11_5) ((_ extract 51 0) v_skolemized_v_prenex_11_5)) .cse1)) (exists ((v_skolemized_v_prenex_4_5 (_ BitVec 64))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 174231955483.0 100000000000.0)) (fp ((_ extract 63 63) v_skolemized_v_prenex_4_5) ((_ extract 62 52) v_skolemized_v_prenex_4_5) ((_ extract 51 0) v_skolemized_v_prenex_4_5)))) (exists ((v_skolemized_v_prenex_1_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_5) ((_ extract 62 52) v_skolemized_v_prenex_1_5) ((_ extract 51 0) v_skolemized_v_prenex_1_5)) ((_ to_fp 11 53) c_currentRoundingMode (/ 5522073405779.0 10000000000000.0)))) (= (_ bv0 32) |c_~#D2~0.offset|) (= |c_~#b1~0.offset| (_ bv0 32)) (or .cse2 (not |c_ULTIMATE.start_main_#t~short28#1|)) (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) .cse2) (= (_ bv0 32) |c_~#P~0.offset|) (= (_ bv5 32) |c_~#b1~0.base|) .cse2 (= (_ bv0 32) |c_~#D1~0.offset|) (= |c_~#X~0.offset| (_ bv0 32)) (exists ((v_skolemized_v_prenex_6_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_6_5) ((_ extract 62 52) v_skolemized_v_prenex_6_5) ((_ extract 51 0) v_skolemized_v_prenex_6_5)) .cse0)) (exists ((v_skolemized_v_prenex_8_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_8_5) ((_ extract 62 52) v_skolemized_v_prenex_8_5) ((_ extract 51 0) v_skolemized_v_prenex_8_5)) .cse1)) (= |c_~#A1~0.base| (_ bv4 32)) (= |c_~#P~0.base| (_ bv10 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= |c_~#D1~0.base| (_ bv8 32)) (= (_ bv11 32) |c_~#X~0.base|))) is different from false [2024-11-03 05:54:14,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s 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 05:54:18,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]