/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/float-newlib/float_req_bl_0686a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 14:11:51,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 14:11:51,496 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 14:11:51,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 14:11:51,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 14:11:51,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 14:11:51,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 14:11:51,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 14:11:51,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 14:11:51,526 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 14:11:51,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 14:11:51,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 14:11:51,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 14:11:51,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 14:11:51,528 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 14:11:51,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 14:11:51,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 14:11:51,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 14:11:51,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 14:11:51,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 14:11:51,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 14:11:51,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 14:11:51,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 14:11:51,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 14:11:51,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 14:11:51,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 14:11:51,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 14:11:51,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 14:11:51,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 14:11:51,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 14:11:51,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 14:11:51,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 14:11:51,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 14:11:51,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 14:11:51,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:11:51,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 14:11:51,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 14:11:51,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 14:11:51,537 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 14:11:51,537 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 14:11:51,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 14:11:51,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 14:11:51,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 14:11:51,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 14:11:51,542 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 14:11:51,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 14:11:51,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 14:11:51,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 14:11:51,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 14:11:51,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 14:11:51,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686a.c [2024-11-03 14:11:53,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 14:11:53,512 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 14:11:53,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0686a.c [2024-11-03 14:11:53,520 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42ccf3fc/82eda3869e1840f9918c88c0ce469a7d/FLAGaad655443 [2024-11-03 14:11:53,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42ccf3fc/82eda3869e1840f9918c88c0ce469a7d [2024-11-03 14:11:53,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 14:11:53,538 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 14:11:53,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 14:11:53,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 14:11:53,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 14:11:53,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:53,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f87767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53, skipping insertion in model container [2024-11-03 14:11:53,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:53,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 14:11:53,827 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-newlib/float_req_bl_0686a.c[5265,5278] [2024-11-03 14:11:53,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:11:53,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 14:11:53,909 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-newlib/float_req_bl_0686a.c[5265,5278] [2024-11-03 14:11:53,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:11:53,941 INFO L204 MainTranslator]: Completed translation [2024-11-03 14:11:53,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53 WrapperNode [2024-11-03 14:11:53,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 14:11:53,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 14:11:53,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 14:11:53,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 14:11:53,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:53,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,015 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2024-11-03 14:11:54,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 14:11:54,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 14:11:54,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 14:11:54,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 14:11:54,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,077 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 2, 2, 7, 2, 7, 23, 2, 2, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 2, 0, 0, 4, 0, 4, 0, 0, 0, 0]. The 19 writes are split as follows [1, 0, 1, 1, 0, 1, 0, 12, 1, 1, 1]. [2024-11-03 14:11:54,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 14:11:54,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 14:11:54,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 14:11:54,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 14:11:54,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (1/1) ... [2024-11-03 14:11:54,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:11:54,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 14:11:54,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 14:11:54,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 14:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 14:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 14:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 14:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 14:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 14:11:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 14:11:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 14:11:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 14:11:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-03 14:11:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 14:11:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-03 14:11:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 14:11:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 14:11:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-03 14:11:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-03 14:11:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 14:11:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 14:11:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 14:11:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 14:11:54,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 14:11:54,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 14:12:14,340 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-03 14:12:14,340 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 14:12:14,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 14:12:14,353 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-03 14:12:14,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:14 BoogieIcfgContainer [2024-11-03 14:12:14,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 14:12:14,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 14:12:14,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 14:12:14,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 14:12:14,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:11:53" (1/3) ... [2024-11-03 14:12:14,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e57070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:12:14, skipping insertion in model container [2024-11-03 14:12:14,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:53" (2/3) ... [2024-11-03 14:12:14,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e57070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:12:14, skipping insertion in model container [2024-11-03 14:12:14,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:12:14" (3/3) ... [2024-11-03 14:12:14,361 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a.c [2024-11-03 14:12:14,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 14:12:14,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 14:12:14,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 14:12:14,423 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;@3ea641c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 14:12:14,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 14:12:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-03 14:12:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-03 14:12:14,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:12:14,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:12:14,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:12:14,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:12:14,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1138093872, now seen corresponding path program 1 times [2024-11-03 14:12:14,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:12:14,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278191689] [2024-11-03 14:12:14,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:12:14,450 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:12:14,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:14,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:12:14,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 14:12:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:12:14,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 14:12:14,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:12:14,638 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 14:12:14,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:12:14,643 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 14:12:14,643 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:12:14,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278191689] [2024-11-03 14:12:14,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1278191689] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:12:14,644 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:12:14,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 14:12:14,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478805402] [2024-11-03 14:12:14,647 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:12:14,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 14:12:14,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:12:14,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 14:12:14,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 14:12:14,681 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 14:12:14,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:12:14,704 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2024-11-03 14:12:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 14:12:14,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-11-03 14:12:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:12:14,712 INFO L225 Difference]: With dead ends: 166 [2024-11-03 14:12:14,712 INFO L226 Difference]: Without dead ends: 81 [2024-11-03 14:12:14,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 14:12:14,717 INFO L432 NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 14:12:14,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 14:12:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-03 14:12:14,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-03 14:12:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-03 14:12:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2024-11-03 14:12:14,763 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 10 [2024-11-03 14:12:14,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:12:14,764 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2024-11-03 14:12:14,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 14:12:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2024-11-03 14:12:14,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 14:12:14,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:12:14,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:12:14,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 14:12:14,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:14,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:12:14,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:12:14,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1466206375, now seen corresponding path program 1 times [2024-11-03 14:12:14,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:12:14,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197287617] [2024-11-03 14:12:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:12:14,969 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:12:14,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:14,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:12:14,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 14:12:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:12:15,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-03 14:12:15,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:12:15,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:12:15,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-03 14:12:16,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:12:16,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-03 14:12:17,165 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 14:12:17,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:12:19,842 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 14:12:19,842 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:12:19,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197287617] [2024-11-03 14:12:19,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1197287617] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:12:19,843 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:12:19,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2024-11-03 14:12:19,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235317008] [2024-11-03 14:12:19,844 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:12:19,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 14:12:19,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:12:19,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 14:12:19,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-03 14:12:19,847 INFO L87 Difference]: Start difference. First operand 81 states and 117 transitions. Second operand has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 14:12:22,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:12:22,563 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2024-11-03 14:12:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-03 14:12:22,564 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 14:12:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:12:22,565 INFO L225 Difference]: With dead ends: 95 [2024-11-03 14:12:22,565 INFO L226 Difference]: Without dead ends: 25 [2024-11-03 14:12:22,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-03 14:12:22,567 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 175 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-03 14:12:22,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 37 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-03 14:12:22,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-03 14:12:22,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-03 14:12:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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 14:12:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-03 14:12:22,571 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2024-11-03 14:12:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:12:22,572 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-03 14:12:22,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 14:12:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-03 14:12:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 14:12:22,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:12:22,573 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:12:22,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 14:12:22,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:22,774 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:12:22,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:12:22,775 INFO L85 PathProgramCache]: Analyzing trace with hash 276434516, now seen corresponding path program 1 times [2024-11-03 14:12:22,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:12:22,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660346763] [2024-11-03 14:12:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:12:22,776 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:12:22,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:22,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:12:22,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 14:12:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:12:22,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 14:12:22,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:12:24,864 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 14:12:24,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:12:28,437 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 14:12:28,438 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:12:28,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660346763] [2024-11-03 14:12:28,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1660346763] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:12:28,438 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:12:28,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2024-11-03 14:12:28,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405796382] [2024-11-03 14:12:28,438 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:12:28,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 14:12:28,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:12:28,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 14:12:28,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-03 14:12:28,440 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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 14:12:29,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 14:12:31,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 14:12:33,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:12:33,498 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-03 14:12:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 14:12:33,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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 18 [2024-11-03 14:12:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:12:33,507 INFO L225 Difference]: With dead ends: 28 [2024-11-03 14:12:33,507 INFO L226 Difference]: Without dead ends: 24 [2024-11-03 14:12:33,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-03 14:12:33,509 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-03 14:12:33,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 73 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-03 14:12:33,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-03 14:12:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-03 14:12:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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 14:12:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-03 14:12:33,515 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 18 [2024-11-03 14:12:33,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:12:33,515 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-03 14:12:33,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 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 14:12:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-03 14:12:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-03 14:12:33,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:12:33,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:12:33,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-03 14:12:33,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:33,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:12:33,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:12:33,718 INFO L85 PathProgramCache]: Analyzing trace with hash -21897249, now seen corresponding path program 1 times [2024-11-03 14:12:33,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:12:33,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171342090] [2024-11-03 14:12:33,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:12:33,719 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:12:33,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:33,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:12:33,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 14:12:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:12:33,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-03 14:12:33,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:12:34,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:12:34,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-03 14:12:35,513 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 14:12:35,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:12:37,108 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 14:12:37,108 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:12:37,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171342090] [2024-11-03 14:12:37,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1171342090] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:12:37,108 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:12:37,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 13 [2024-11-03 14:12:37,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562274996] [2024-11-03 14:12:37,109 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:12:37,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 14:12:37,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:12:37,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 14:12:37,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-03 14:12:37,110 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 14:12:39,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:12:39,289 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-03 14:12:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 14:12:39,290 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 19 [2024-11-03 14:12:39,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:12:39,290 INFO L225 Difference]: With dead ends: 29 [2024-11-03 14:12:39,290 INFO L226 Difference]: Without dead ends: 25 [2024-11-03 14:12:39,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2024-11-03 14:12:39,291 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 92 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 14:12:39,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 53 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 14:12:39,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-03 14:12:39,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-03 14:12:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 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 14:12:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-03 14:12:39,295 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19 [2024-11-03 14:12:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:12:39,295 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-03 14:12:39,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 14:12:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-03 14:12:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-03 14:12:39,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:12:39,296 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:12:39,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-03 14:12:39,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:39,497 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:12:39,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:12:39,497 INFO L85 PathProgramCache]: Analyzing trace with hash -680098417, now seen corresponding path program 1 times [2024-11-03 14:12:39,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:12:39,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653427706] [2024-11-03 14:12:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:12:39,498 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:12:39,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:39,500 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 14:12:39,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-03 14:12:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:12:39,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-03 14:12:39,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:12:39,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:12:39,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-03 14:12:40,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:12:40,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-03 14:12:41,384 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 14:12:41,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:12:43,617 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 14:12:43,617 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:12:43,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653427706] [2024-11-03 14:12:43,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [653427706] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:12:43,617 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:12:43,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-03 14:12:43,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985876985] [2024-11-03 14:12:43,618 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:12:43,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 14:12:43,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:12:43,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 14:12:43,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-03 14:12:43,619 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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 14:12:44,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:12:44,817 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-03 14:12:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-03 14:12:44,818 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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 20 [2024-11-03 14:12:44,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:12:44,818 INFO L225 Difference]: With dead ends: 24 [2024-11-03 14:12:44,818 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 14:12:44,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-03 14:12:44,819 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 47 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 14:12:44,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 39 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 14:12:44,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 14:12:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 14:12:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 14:12:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 14:12:44,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-11-03 14:12:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:12:44,821 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 14:12:44,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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 14:12:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 14:12:44,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 14:12:44,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 14:12:44,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-03 14:12:45,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:12:45,031 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-03 14:12:45,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 14:12:45,523 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 14:12:45,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-11-03 14:12:45,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-11-03 14:12:45,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-11-03 14:12:45,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-11-03 14:12:45,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-11-03 14:12:45,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-11-03 14:12:45,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:12:45 BoogieIcfgContainer [2024-11-03 14:12:45,543 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 14:12:45,544 INFO L158 Benchmark]: Toolchain (without parser) took 52005.85ms. Allocated memory was 184.5MB in the beginning and 244.3MB in the end (delta: 59.8MB). Free memory was 142.7MB in the beginning and 142.5MB in the end (delta: 164.9kB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. [2024-11-03 14:12:45,544 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 14:12:45,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.09ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 124.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-03 14:12:45,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.30ms. Allocated memory is still 184.5MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 14:12:45,545 INFO L158 Benchmark]: Boogie Preprocessor took 116.85ms. Allocated memory is still 184.5MB. Free memory was 122.4MB in the beginning and 117.1MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-03 14:12:45,545 INFO L158 Benchmark]: RCFGBuilder took 20219.80ms. Allocated memory is still 184.5MB. Free memory was 117.1MB in the beginning and 141.5MB in the end (delta: -24.3MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. [2024-11-03 14:12:45,545 INFO L158 Benchmark]: TraceAbstraction took 31187.81ms. Allocated memory was 184.5MB in the beginning and 244.3MB in the end (delta: 59.8MB). Free memory was 141.0MB in the beginning and 142.5MB in the end (delta: -1.6MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2024-11-03 14:12:45,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 404.09ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 124.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.30ms. Allocated memory is still 184.5MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 116.85ms. Allocated memory is still 184.5MB. Free memory was 122.4MB in the beginning and 117.1MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 20219.80ms. Allocated memory is still 184.5MB. Free memory was 117.1MB in the beginning and 141.5MB in the end (delta: -24.3MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. * TraceAbstraction took 31187.81ms. Allocated memory was 184.5MB in the beginning and 244.3MB in the end (delta: 59.8MB). Free memory was 141.0MB in the beginning and 142.5MB in the end (delta: -1.6MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 230]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 328 mSDsluCounter, 322 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 172 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 23 QuantifiedInterpolants, 1799 SizeOfPredicates, 27 NumberOfNonLiveVariables, 669 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 14:12:45,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...