/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 09:40:14,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 09:40:15,044 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 09:40:15,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 09:40:15,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 09:40:15,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 09:40:15,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 09:40:15,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 09:40:15,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 09:40:15,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 09:40:15,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 09:40:15,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 09:40:15,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 09:40:15,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 09:40:15,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 09:40:15,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 09:40:15,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 09:40:15,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 09:40:15,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 09:40:15,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 09:40:15,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 09:40:15,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 09:40:15,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 09:40:15,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 09:40:15,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 09:40:15,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 09:40:15,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 09:40:15,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 09:40:15,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 09:40:15,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 09:40:15,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 09:40:15,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 09:40:15,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 09:40:15,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 09:40:15,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 09:40:15,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 09:40:15,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 09:40:15,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 09:40:15,085 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 09:40:15,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 09:40:15,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 09:40:15,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 09:40:15,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 09:40:15,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 09:40:15,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:15,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 09:40:15,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 09:40:15,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 09:40:15,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 09:40:15,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 09:40:15,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2024-11-03 09:40:16,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 09:40:16,860 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 09:40:16,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2024-11-03 09:40:16,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ac7e784/8f7f2eb22af1465abf4634758449e77d/FLAG6ee253d36 [2024-11-03 09:40:17,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ac7e784/8f7f2eb22af1465abf4634758449e77d [2024-11-03 09:40:17,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 09:40:17,270 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 09:40:17,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 09:40:17,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 09:40:17,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 09:40:17,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ebfd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17, skipping insertion in model container [2024-11-03 09:40:17,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 09:40:17,488 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_1271a.c[4883,4896] [2024-11-03 09:40:17,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 09:40:17,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 09:40:17,562 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_1271a.c[4883,4896] [2024-11-03 09:40:17,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 09:40:17,582 INFO L204 MainTranslator]: Completed translation [2024-11-03 09:40:17,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17 WrapperNode [2024-11-03 09:40:17,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 09:40:17,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 09:40:17,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 09:40:17,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 09:40:17,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,634 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2024-11-03 09:40:17,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 09:40:17,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 09:40:17,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 09:40:17,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 09:40:17,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,675 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-03 09:40:17,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 09:40:17,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 09:40:17,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 09:40:17,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 09:40:17,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (1/1) ... [2024-11-03 09:40:17,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 09:40:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 09:40:17,750 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 09:40:17,752 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 09:40:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 09:40:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 09:40:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 09:40:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 09:40:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 09:40:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 09:40:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 09:40:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 09:40:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 09:40:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 09:40:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 09:40:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 09:40:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-11-03 09:40:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 09:40:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 09:40:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 09:40:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 09:40:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 09:40:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-03 09:40:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 09:40:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-03 09:40:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-03 09:40:17,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 09:40:17,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 09:40:18,970 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-03 09:40:18,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 09:40:18,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 09:40:18,980 INFO L316 CfgBuilder]: Removed 34 assume(true) statements. [2024-11-03 09:40:18,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 09:40:18 BoogieIcfgContainer [2024-11-03 09:40:18,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 09:40:18,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 09:40:18,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 09:40:18,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 09:40:18,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 09:40:17" (1/3) ... [2024-11-03 09:40:18,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c85140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 09:40:18, skipping insertion in model container [2024-11-03 09:40:18,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:40:17" (2/3) ... [2024-11-03 09:40:18,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c85140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 09:40:18, skipping insertion in model container [2024-11-03 09:40:18,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 09:40:18" (3/3) ... [2024-11-03 09:40:18,990 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2024-11-03 09:40:19,006 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 09:40:19,007 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 09:40:19,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 09:40:19,052 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;@7bfe1b13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 09:40:19,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 09:40:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 09:40:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 09:40:19,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:40:19,060 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 09:40:19,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:40:19,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:40:19,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1909357408, now seen corresponding path program 1 times [2024-11-03 09:40:19,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:40:19,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826020137] [2024-11-03 09:40:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:40:19,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:19,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:40:19,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:40:19,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-03 09:40:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:40:19,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 09:40:19,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:40:19,245 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 09:40:19,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:40:19,249 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 09:40:19,250 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:40:19,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826020137] [2024-11-03 09:40:19,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1826020137] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:40:19,250 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:40:19,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 09:40:19,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012600461] [2024-11-03 09:40:19,255 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:40:19,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 09:40:19,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:40:19,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 09:40:19,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 09:40:19,286 INFO L87 Difference]: Start difference. First operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 09:40:19,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:40:19,313 INFO L93 Difference]: Finished difference Result 182 states and 300 transitions. [2024-11-03 09:40:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 09:40:19,315 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 09:40:19,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:40:19,321 INFO L225 Difference]: With dead ends: 182 [2024-11-03 09:40:19,322 INFO L226 Difference]: Without dead ends: 88 [2024-11-03 09:40:19,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 09:40:19,328 INFO L432 NwaCegarLoop]: 115 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, 115 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 09:40:19,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 09:40:19,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-03 09:40:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-03 09:40:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 84 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 09:40:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 110 transitions. [2024-11-03 09:40:19,364 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 110 transitions. Word has length 18 [2024-11-03 09:40:19,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:40:19,364 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 110 transitions. [2024-11-03 09:40:19,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 09:40:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2024-11-03 09:40:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-03 09:40:19,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:40:19,365 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, 1, 1, 1] [2024-11-03 09:40:19,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-03 09:40:19,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:19,567 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:40:19,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:40:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1814558905, now seen corresponding path program 1 times [2024-11-03 09:40:19,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:40:19,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246865700] [2024-11-03 09:40:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:40:19,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:19,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:40:19,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:40:19,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-03 09:40:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:40:19,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 09:40:19,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:40:20,329 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 09:40:20,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:40:21,127 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 09:40:21,127 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:40:21,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246865700] [2024-11-03 09:40:21,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1246865700] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:40:21,127 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:40:21,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2024-11-03 09:40:21,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947759872] [2024-11-03 09:40:21,128 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:40:21,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 09:40:21,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:40:21,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 09:40:21,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-03 09:40:21,130 INFO L87 Difference]: Start difference. First operand 88 states and 110 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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 09:40:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:40:22,264 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions. [2024-11-03 09:40:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 09:40:22,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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 23 [2024-11-03 09:40:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:40:22,265 INFO L225 Difference]: With dead ends: 103 [2024-11-03 09:40:22,265 INFO L226 Difference]: Without dead ends: 37 [2024-11-03 09:40:22,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-03 09:40:22,267 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 41 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-03 09:40:22,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 152 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-03 09:40:22,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-03 09:40:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-03 09:40:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 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 09:40:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-11-03 09:40:22,275 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 23 [2024-11-03 09:40:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:40:22,275 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-11-03 09:40:22,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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 09:40:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-03 09:40:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-03 09:40:22,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:40:22,276 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, 1, 1, 1] [2024-11-03 09:40:22,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-03 09:40:22,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:22,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:40:22,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:40:22,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1421531895, now seen corresponding path program 1 times [2024-11-03 09:40:22,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:40:22,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71470772] [2024-11-03 09:40:22,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:40:22,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:22,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:40:22,483 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:40:22,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-03 09:40:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:40:22,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-03 09:40:22,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:40:23,357 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 09:40:23,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:40:32,338 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 09:40:32,338 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:40:32,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71470772] [2024-11-03 09:40:32,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [71470772] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:40:32,338 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:40:32,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 18 [2024-11-03 09:40:32,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215165594] [2024-11-03 09:40:32,339 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:40:32,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-03 09:40:32,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:40:32,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-03 09:40:32,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-03 09:40:32,340 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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 09:40:37,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:40:37,572 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2024-11-03 09:40:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 09:40:37,573 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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 23 [2024-11-03 09:40:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:40:37,575 INFO L225 Difference]: With dead ends: 39 [2024-11-03 09:40:37,575 INFO L226 Difference]: Without dead ends: 34 [2024-11-03 09:40:37,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-11-03 09:40:37,576 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 33 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-03 09:40:37,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 149 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2024-11-03 09:40:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-03 09:40:37,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2024-11-03 09:40:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 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 09:40:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-03 09:40:37,582 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 23 [2024-11-03 09:40:37,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:40:37,583 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-03 09:40:37,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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 09:40:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-03 09:40:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-03 09:40:37,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:40:37,583 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:40:37,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-03 09:40:37,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:37,784 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:40:37,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:40:37,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1642693520, now seen corresponding path program 1 times [2024-11-03 09:40:37,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:40:37,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658076500] [2024-11-03 09:40:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:40:37,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:37,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:40:37,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:40:37,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-03 09:40:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:40:37,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-03 09:40:37,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:40:38,261 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 09:40:38,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:40:38,444 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 09:40:38,444 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:40:38,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658076500] [2024-11-03 09:40:38,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [658076500] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:40:38,445 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:40:38,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-03 09:40:38,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125899583] [2024-11-03 09:40:38,445 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:40:38,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 09:40:38,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:40:38,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 09:40:38,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-03 09:40:38,446 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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 09:40:38,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:40:38,866 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2024-11-03 09:40:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-03 09:40:38,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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 28 [2024-11-03 09:40:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:40:38,867 INFO L225 Difference]: With dead ends: 44 [2024-11-03 09:40:38,867 INFO L226 Difference]: Without dead ends: 38 [2024-11-03 09:40:38,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-03 09:40:38,868 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 27 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 09:40:38,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 105 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 09:40:38,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-03 09:40:38,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-03 09:40:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.054054054054054) internal successors, (39), 37 states have internal predecessors, (39), 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 09:40:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-03 09:40:38,874 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 28 [2024-11-03 09:40:38,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:40:38,874 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-03 09:40:38,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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 09:40:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-03 09:40:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-03 09:40:38,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:40:38,875 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:40:38,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-03 09:40:39,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:39,076 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:40:39,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:40:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1585435218, now seen corresponding path program 1 times [2024-11-03 09:40:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:40:39,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320204338] [2024-11-03 09:40:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:40:39,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:39,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:40:39,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:40:39,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-03 09:40:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:40:39,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-03 09:40:39,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:40:41,437 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 09:40:41,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:40:43,629 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 09:40:43,629 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:40:43,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320204338] [2024-11-03 09:40:43,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1320204338] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:40:43,629 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:40:43,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 8] imperfect sequences [] total 18 [2024-11-03 09:40:43,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889618570] [2024-11-03 09:40:43,630 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:40:43,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-03 09:40:43,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:40:43,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-03 09:40:43,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-03 09:40:43,631 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 09:40:48,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:40:48,737 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2024-11-03 09:40:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 09:40:48,738 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 28 [2024-11-03 09:40:48,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:40:48,738 INFO L225 Difference]: With dead ends: 44 [2024-11-03 09:40:48,738 INFO L226 Difference]: Without dead ends: 29 [2024-11-03 09:40:48,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2024-11-03 09:40:48,739 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 33 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-03 09:40:48,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 135 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-03 09:40:48,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-03 09:40:48,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-03 09:40:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 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 09:40:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2024-11-03 09:40:48,744 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 28 [2024-11-03 09:40:48,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:40:48,744 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2024-11-03 09:40:48,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 09:40:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2024-11-03 09:40:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-03 09:40:48,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:40:48,745 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:40:48,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-03 09:40:48,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:48,946 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:40:48,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:40:48,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1372410098, now seen corresponding path program 1 times [2024-11-03 09:40:48,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:40:48,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406224373] [2024-11-03 09:40:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:40:48,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:48,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:40:48,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 09:40:48,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-03 09:40:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:40:49,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-03 09:40:49,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:40:49,113 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 09:40:49,117 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 29 treesize of output 13 [2024-11-03 09:40:49,575 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 09:40:49,576 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:40:49,995 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 09:40:49,996 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:40:49,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406224373] [2024-11-03 09:40:49,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [406224373] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:40:49,996 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:40:49,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2024-11-03 09:40:49,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797420059] [2024-11-03 09:40:49,996 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:40:49,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-03 09:40:49,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:40:49,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-03 09:40:49,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-03 09:40:49,998 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 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 09:40:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:40:50,269 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2024-11-03 09:40:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 09:40:50,270 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 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 28 [2024-11-03 09:40:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:40:50,271 INFO L225 Difference]: With dead ends: 29 [2024-11-03 09:40:50,271 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 09:40:50,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-11-03 09:40:50,271 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 09:40:50,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 86 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 09:40:50,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 09:40:50,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 09:40:50,272 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 09:40:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 09:40:50,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-03 09:40:50,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:40:50,273 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 09:40:50,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 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 09:40:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 09:40:50,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 09:40:50,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 09:40:50,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-03 09:40:50,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:40:50,485 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-03 09:40:50,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 09:40:51,596 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 09:40:51,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 09:40:51 BoogieIcfgContainer [2024-11-03 09:40:51,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 09:40:51,615 INFO L158 Benchmark]: Toolchain (without parser) took 34344.58ms. Allocated memory was 262.1MB in the beginning and 314.6MB in the end (delta: 52.4MB). Free memory was 209.8MB in the beginning and 221.2MB in the end (delta: -11.4MB). Peak memory consumption was 42.1MB. Max. memory is 8.0GB. [2024-11-03 09:40:51,615 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 09:40:51,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.51ms. Allocated memory is still 262.1MB. Free memory was 209.3MB in the beginning and 192.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-03 09:40:51,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.32ms. Allocated memory is still 262.1MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 09:40:51,616 INFO L158 Benchmark]: Boogie Preprocessor took 78.17ms. Allocated memory is still 262.1MB. Free memory was 190.4MB in the beginning and 185.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-03 09:40:51,616 INFO L158 Benchmark]: RCFGBuilder took 1256.30ms. Allocated memory is still 262.1MB. Free memory was 185.1MB in the beginning and 221.2MB in the end (delta: -36.1MB). Peak memory consumption was 36.3MB. Max. memory is 8.0GB. [2024-11-03 09:40:51,616 INFO L158 Benchmark]: TraceAbstraction took 32628.98ms. Allocated memory was 262.1MB in the beginning and 314.6MB in the end (delta: 52.4MB). Free memory was 220.2MB in the beginning and 221.2MB in the end (delta: -1.0MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. [2024-11-03 09:40:51,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 311.51ms. Allocated memory is still 262.1MB. Free memory was 209.3MB in the beginning and 192.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.32ms. Allocated memory is still 262.1MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.17ms. Allocated memory is still 262.1MB. Free memory was 190.4MB in the beginning and 185.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1256.30ms. Allocated memory is still 262.1MB. Free memory was 185.1MB in the beginning and 221.2MB in the end (delta: -36.1MB). Peak memory consumption was 36.3MB. Max. memory is 8.0GB. * TraceAbstraction took 32628.98ms. Allocated memory was 262.1MB in the beginning and 314.6MB in the end (delta: 52.4MB). Free memory was 220.2MB in the beginning and 221.2MB in the end (delta: -1.0MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. * 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: 241]: 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 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 742 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 543 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 518 IncrementalHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 199 mSDtfsCounter, 518 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 313 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 58, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 127 QuantifiedInterpolants, 3090 SizeOfPredicates, 24 NumberOfNonLiveVariables, 604 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 109]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 16]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf. Requires: 0 Ensures: (0 && ((one_sqrt == \old(one_sqrt)) && (tiny_sqrt == \old(tiny_sqrt)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 09:40:51,814 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...