/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 14:17:27,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 14:17:27,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 14:17:27,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 14:17:27,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 14:17:27,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 14:17:27,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 14:17:27,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 14:17:27,987 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 14:17:27,989 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 14:17:27,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 14:17:27,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 14:17:27,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 14:17:27,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 14:17:27,990 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 14:17:27,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 14:17:27,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 14:17:27,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 14:17:27,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 14:17:27,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 14:17:27,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 14:17:27,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 14:17:27,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 14:17:27,992 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 14:17:27,993 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 14:17:27,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 14:17:27,993 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 14:17:27,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 14:17:27,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 14:17:27,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 14:17:27,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 14:17:27,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 14:17:27,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 14:17:27,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 14:17:27,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:17:27,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 14:17:27,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 14:17:27,995 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 14:17:28,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 14:17:28,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 14:17:28,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 14:17:28,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 14:17:28,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 14:17:28,176 INFO L431 ainManager$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 14:17:29,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 14:17:29,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 14:17:29,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2024-11-03 14:17:29,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e557be7/4e816b5149e940c19611950db7c37c8d/FLAGb0647039b [2024-11-03 14:17:29,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e557be7/4e816b5149e940c19611950db7c37c8d [2024-11-03 14:17:29,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 14:17:29,913 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 14:17:29,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 14:17:29,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 14:17:29,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 14:17:29,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:17:29" (1/1) ... [2024-11-03 14:17:29,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15940fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:29, skipping insertion in model container [2024-11-03 14:17:29,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:17:29" (1/1) ... [2024-11-03 14:17:29,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 14:17:30,091 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 14:17:30,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:17:30,105 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 14:17:30,143 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 14:17:30,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:17:30,160 INFO L204 MainTranslator]: Completed translation [2024-11-03 14:17:30,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30 WrapperNode [2024-11-03 14:17:30,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 14:17:30,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 14:17:30,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 14:17:30,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 14:17:30,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,194 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2024-11-03 14:17:30,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 14:17:30,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 14:17:30,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 14:17:30,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 14:17:30,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,220 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 14:17:30,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 14:17:30,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 14:17:30,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 14:17:30,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 14:17:30,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2024-11-03 14:17:30,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:17:30,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 14:17:30,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 14:17:30,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 14:17:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 14:17:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 14:17:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 14:17:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 14:17:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-03 14:17:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 14:17:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 14:17:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 14:17:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 14:17:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 14:17:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 14:17:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-11-03 14:17:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 14:17:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 14:17:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 14:17:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 14:17:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 14:17:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 14:17:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-03 14:17:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 14:17:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 14:17:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 14:17:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-03 14:17:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-03 14:17:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-03 14:17:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-03 14:17:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-03 14:17:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-03 14:17:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-03 14:17:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-11-03 14:17:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 14:17:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 14:17:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-03 14:17:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-03 14:17:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-03 14:17:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-03 14:17:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-03 14:17:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-03 14:17:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 14:17:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-03 14:17:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-03 14:17:30,450 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 14:17:30,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 14:17:31,525 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-03 14:17:31,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 14:17:31,536 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 14:17:31,536 INFO L316 CfgBuilder]: Removed 34 assume(true) statements. [2024-11-03 14:17:31,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:17:31 BoogieIcfgContainer [2024-11-03 14:17:31,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 14:17:31,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 14:17:31,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 14:17:31,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 14:17:31,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:17:29" (1/3) ... [2024-11-03 14:17:31,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0a71da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:17:31, skipping insertion in model container [2024-11-03 14:17:31,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (2/3) ... [2024-11-03 14:17:31,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0a71da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:17:31, skipping insertion in model container [2024-11-03 14:17:31,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:17:31" (3/3) ... [2024-11-03 14:17:31,544 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2024-11-03 14:17:31,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 14:17:31,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 14:17:31,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 14:17:31,603 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;@19d8c3df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 14:17:31,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 14:17:31,606 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 14:17:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 14:17:31,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:17:31,611 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:17:31,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:17:31,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:17:31,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1909357408, now seen corresponding path program 1 times [2024-11-03 14:17:31,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:17:31,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030324360] [2024-11-03 14:17:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:17:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:17:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:17:31,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:17:31,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 14:17:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:17:31,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 14:17:31,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:17:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:17:31,775 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:17:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:17:31,782 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:17:31,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030324360] [2024-11-03 14:17:31,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1030324360] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:17:31,783 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:17:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 14:17:31,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261297540] [2024-11-03 14:17:31,785 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:17:31,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 14:17:31,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:17:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 14:17:31,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 14:17:31,807 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 14:17:31,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:17:31,836 INFO L93 Difference]: Finished difference Result 182 states and 300 transitions. [2024-11-03 14:17:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 14:17:31,841 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 14:17:31,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:17:31,848 INFO L225 Difference]: With dead ends: 182 [2024-11-03 14:17:31,848 INFO L226 Difference]: Without dead ends: 88 [2024-11-03 14:17:31,851 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 14:17:31,853 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 14:17:31,854 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 14:17:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-03 14:17:31,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-03 14:17:31,882 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 14:17:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 110 transitions. [2024-11-03 14:17:31,885 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 110 transitions. Word has length 18 [2024-11-03 14:17:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:17:31,885 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 110 transitions. [2024-11-03 14:17:31,887 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 14:17:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2024-11-03 14:17:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-03 14:17:31,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:17:31,888 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 14:17:31,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 14:17:32,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:17:32,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:17:32,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:17:32,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1814558905, now seen corresponding path program 1 times [2024-11-03 14:17:32,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:17:32,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253158310] [2024-11-03 14:17:32,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:17:32,091 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:17:32,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:17:32,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:17:32,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 14:17:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:17:32,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-03 14:17:32,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:17:32,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:17:32,326 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 32 treesize of output 16 [2024-11-03 14:17:32,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:17:32,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-03 14:17:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:17:32,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:17:33,245 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 14:17:33,246 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:17:33,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253158310] [2024-11-03 14:17:33,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [253158310] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:17:33,246 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:17:33,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 16 [2024-11-03 14:17:33,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984387760] [2024-11-03 14:17:33,247 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:17:33,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-03 14:17:33,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:17:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-03 14:17:33,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-03 14:17:33,251 INFO L87 Difference]: Start difference. First operand 88 states and 110 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 14:17:33,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:17:33,956 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions. [2024-11-03 14:17:33,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 14:17:33,957 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 14:17:33,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:17:33,957 INFO L225 Difference]: With dead ends: 103 [2024-11-03 14:17:33,957 INFO L226 Difference]: Without dead ends: 37 [2024-11-03 14:17:33,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-03 14:17:33,958 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 85 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 14:17:33,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 130 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 14:17:33,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-03 14:17:33,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-03 14:17:33,962 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 14:17:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-11-03 14:17:33,963 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 23 [2024-11-03 14:17:33,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:17:33,963 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-11-03 14:17:33,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 14:17:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-03 14:17:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-03 14:17:33,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:17:33,963 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 14:17:33,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-03 14:17:34,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:17:34,164 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:17:34,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:17:34,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1421531895, now seen corresponding path program 1 times [2024-11-03 14:17:34,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:17:34,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590055152] [2024-11-03 14:17:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:17:34,165 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:17:34,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:17:34,166 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:17:34,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 14:17:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:17:34,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-03 14:17:34,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:17:34,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:17:34,336 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 32 treesize of output 16 [2024-11-03 14:17:34,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 14:17:34,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-03 14:17:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:17:35,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:17:45,190 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_18| (_ BitVec 32))) (not (let ((.cse0 (fp.add c_currentRoundingMode (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|)) (let ((.cse1 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_18|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (fp.eq .cse0 .cse0)))) is different from false [2024-11-03 14:17:50,922 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_18| (_ BitVec 32))) (not (let ((.cse0 (fp.add c_currentRoundingMode (let ((.cse1 (bvand (_ bv2147483647 32) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse2 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_18|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (fp.eq .cse0 .cse0)))) is different from false [2024-11-03 14:18:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:18:16,831 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:18:16,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590055152] [2024-11-03 14:18:16,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1590055152] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:18:16,831 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:18:16,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 24 [2024-11-03 14:18:16,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037591125] [2024-11-03 14:18:16,831 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:18:16,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-03 14:18:16,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:18:16,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-03 14:18:16,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=397, Unknown=2, NotChecked=82, Total=552 [2024-11-03 14:18:16,833 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 24 states, 24 states have (on average 1.875) internal successors, (45), 24 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 14:18:28,305 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (= |c_ULTIMATE.start___ieee754_hypotf_~x#1| .cse0) (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|)) .cse0) (forall ((|v_skolemized_q#valueAsBitvector_18| (_ BitVec 32))) (not (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (bvand (_ bv2147483647 32) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse3 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_18|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (fp.eq .cse1 .cse1)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-03 14:18:33,096 WARN L851 $PredicateComparison]: unable to prove that (and (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|)) (fp.div c_currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (forall ((|v_skolemized_q#valueAsBitvector_18| (_ BitVec 32))) (not (let ((.cse0 (fp.add c_currentRoundingMode (let ((.cse1 (bvand (_ bv2147483647 32) |c_ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse2 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_18|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (fp.eq .cse0 .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-03 14:18:37,978 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-03 14:18:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 14:18:37,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 4 IntricatePredicates, 1 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 45.1s TimeCoverageRelationStatistics Valid=75, Invalid=399, Unknown=4, NotChecked=172, Total=650 [2024-11-03 14:18:37,979 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 101 [2024-11-03 14:18:37,980 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-03 14:18:37,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 57 Unchecked, 6.9s Time] [2024-11-03 14:18:37,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-03 14:18:38,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:18:38,181 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 48 more [2024-11-03 14:18:38,184 INFO L158 Benchmark]: Toolchain (without parser) took 68270.89ms. Allocated memory is still 331.4MB. Free memory was 286.0MB in the beginning and 256.4MB in the end (delta: 29.7MB). Peak memory consumption was 30.5MB. Max. memory is 8.0GB. [2024-11-03 14:18:38,184 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 224.4MB. Free memory was 173.9MB in the beginning and 173.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 14:18:38,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.29ms. Allocated memory is still 331.4MB. Free memory was 285.8MB in the beginning and 269.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-03 14:18:38,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.48ms. Allocated memory is still 331.4MB. Free memory was 269.0MB in the beginning and 266.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 14:18:38,185 INFO L158 Benchmark]: Boogie Preprocessor took 54.54ms. Allocated memory is still 331.4MB. Free memory was 266.5MB in the beginning and 261.2MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-03 14:18:38,185 INFO L158 Benchmark]: RCFGBuilder took 1286.96ms. Allocated memory is still 331.4MB. Free memory was 261.2MB in the beginning and 294.6MB in the end (delta: -33.4MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. [2024-11-03 14:18:38,185 INFO L158 Benchmark]: TraceAbstraction took 66644.56ms. Allocated memory is still 331.4MB. Free memory was 293.6MB in the beginning and 256.4MB in the end (delta: 37.2MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. [2024-11-03 14:18:38,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 224.4MB. Free memory was 173.9MB in the beginning and 173.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.29ms. Allocated memory is still 331.4MB. Free memory was 285.8MB in the beginning and 269.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.48ms. Allocated memory is still 331.4MB. Free memory was 269.0MB in the beginning and 266.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.54ms. Allocated memory is still 331.4MB. Free memory was 266.5MB in the beginning and 261.2MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1286.96ms. Allocated memory is still 331.4MB. Free memory was 261.2MB in the beginning and 294.6MB in the end (delta: -33.4MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. * TraceAbstraction took 66644.56ms. Allocated memory is still 331.4MB. Free memory was 293.6MB in the beginning and 256.4MB in the end (delta: 37.2MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...