/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float22.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:49:18,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:49:19,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 05:49:19,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:49:19,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:49:19,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:49:19,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:49:19,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:49:19,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:49:19,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:49:19,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:49:19,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:49:19,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:49:19,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:49:19,083 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:49:19,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:49:19,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:49:19,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:49:19,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:49:19,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:49:19,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:49:19,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:49:19,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:49:19,088 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:49:19,088 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:49:19,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:49:19,089 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:49:19,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:49:19,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:49:19,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:49:19,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:49:19,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:49:19,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:49:19,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:49:19,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:49:19,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:49:19,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:49:19,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:49:19,091 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:49:19,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:49:19,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:49:19,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:49:19,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:49:19,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:49:19,093 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:49:19,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:49:19,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:49:19,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:49:19,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:49:19,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:49:19,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float22.i [2024-11-03 05:49:20,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:49:20,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:49:20,852 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i [2024-11-03 05:49:20,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59fe84b2/49ceca5b21d247feb07ff8f723b6abd0/FLAGf39f038bc [2024-11-03 05:49:21,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59fe84b2/49ceca5b21d247feb07ff8f723b6abd0 [2024-11-03 05:49:21,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:49:21,248 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:49:21,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:49:21,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:49:21,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:49:21,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6915b776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21, skipping insertion in model container [2024-11-03 05:49:21,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:49:21,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2558,2571] [2024-11-03 05:49:21,447 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2753,2766] [2024-11-03 05:49:21,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2881,2894] [2024-11-03 05:49:21,451 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[3073,3086] [2024-11-03 05:49:21,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:49:21,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:49:21,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2558,2571] [2024-11-03 05:49:21,507 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2753,2766] [2024-11-03 05:49:21,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[2881,2894] [2024-11-03 05:49:21,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i[3073,3086] [2024-11-03 05:49:21,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:49:21,529 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:49:21,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21 WrapperNode [2024-11-03 05:49:21,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:49:21,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:49:21,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:49:21,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:49:21,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,568 INFO L138 Inliner]: procedures = 24, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2024-11-03 05:49:21,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:49:21,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:49:21,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:49:21,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:49:21,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,601 INFO L175 MemorySlicer]: Split 41 memory accesses to 9 slices as follows [2, 7, 7, 7, 5, 2, 2, 5, 4]. 17 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]. The 26 writes are split as follows [0, 5, 5, 3, 4, 1, 1, 4, 3]. [2024-11-03 05:49:21,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:49:21,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:49:21,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:49:21,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:49:21,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (1/1) ... [2024-11-03 05:49:21,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:49:21,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:49:21,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 05:49:21,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 05:49:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2024-11-03 05:49:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-03 05:49:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 05:49:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 05:49:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2024-11-03 05:49:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:49:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:49:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 05:49:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 05:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 05:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 05:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 05:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-03 05:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-03 05:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-03 05:49:21,843 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:49:21,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:49:22,206 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-03 05:49:22,206 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:49:22,220 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:49:22,221 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 05:49:22,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:49:22 BoogieIcfgContainer [2024-11-03 05:49:22,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:49:22,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:49:22,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:49:22,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:49:22,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:49:21" (1/3) ... [2024-11-03 05:49:22,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cb8766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:49:22, skipping insertion in model container [2024-11-03 05:49:22,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:49:21" (2/3) ... [2024-11-03 05:49:22,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cb8766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:49:22, skipping insertion in model container [2024-11-03 05:49:22,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:49:22" (3/3) ... [2024-11-03 05:49:22,229 INFO L112 eAbstractionObserver]: Analyzing ICFG float22.i [2024-11-03 05:49:22,241 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:49:22,241 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-03 05:49:22,289 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:49:22,297 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;@7ff2f96c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:49:22,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-03 05:49:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 05:49:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-03 05:49:22,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:49:22,309 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:49:22,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-03 05:49:22,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:49:22,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1770095910, now seen corresponding path program 1 times [2024-11-03 05:49:22,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:49:22,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925822489] [2024-11-03 05:49:22,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:49:22,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:49:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:49:22,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:49:22,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:49:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:49:22,498 WARN L253 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-03 05:49:22,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:49:22,837 INFO L349 Elim1Store]: treesize reduction 165, result has 24.0 percent of original size [2024-11-03 05:49:22,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 43 treesize of output 82 [2024-11-03 05:49:22,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2024-11-03 05:49:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,715 INFO L349 Elim1Store]: treesize reduction 140, result has 20.5 percent of original size [2024-11-03 05:49:23,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 74 [2024-11-03 05:49:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:23,758 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-03 05:49:23,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 38 [2024-11-03 05:49:23,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2024-11-03 05:49:24,112 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:49:24,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2024-11-03 05:49:24,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:24,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:24,534 INFO L349 Elim1Store]: treesize reduction 22, result has 56.9 percent of original size [2024-11-03 05:49:24,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 62 [2024-11-03 05:49:24,608 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-03 05:49:24,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 40 [2024-11-03 05:49:24,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-03 05:49:29,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:29,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:29,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:29,535 INFO L349 Elim1Store]: treesize reduction 66, result has 40.5 percent of original size [2024-11-03 05:49:29,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 81 [2024-11-03 05:49:29,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-03 05:49:29,661 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-03 05:49:29,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 40 [2024-11-03 05:49:29,904 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-03 05:49:29,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 40 [2024-11-03 05:49:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:49:29,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:49:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:49:31,096 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:49:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925822489] [2024-11-03 05:49:31,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1925822489] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:49:31,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:49:31,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 19 [2024-11-03 05:49:31,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403037601] [2024-11-03 05:49:31,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:49:31,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 05:49:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:49:31,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 05:49:31,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=282, Unknown=8, NotChecked=0, Total=342 [2024-11-03 05:49:31,132 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 12 states, 10 states have (on average 1.0) internal successors, (10), 7 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 05:49:35,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 05:49:40,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 05:49:40,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:49:40,944 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2024-11-03 05:49:40,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 05:49:40,946 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.0) internal successors, (10), 7 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-03 05:49:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:49:40,951 INFO L225 Difference]: With dead ends: 87 [2024-11-03 05:49:40,951 INFO L226 Difference]: Without dead ends: 44 [2024-11-03 05:49:40,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=111, Invalid=637, Unknown=8, NotChecked=0, Total=756 [2024-11-03 05:49:40,956 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 13 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-03 05:49:40,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 250 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 126 Invalid, 12 Unknown, 0 Unchecked, 8.9s Time] [2024-11-03 05:49:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-03 05:49:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-03 05:49:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 31 states have internal predecessors, (31), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 05:49:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2024-11-03 05:49:40,993 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 14 [2024-11-03 05:49:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:49:40,993 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2024-11-03 05:49:40,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.0) internal successors, (10), 7 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 05:49:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2024-11-03 05:49:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-03 05:49:40,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:49:40,997 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:49:41,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:49:41,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:49:41,199 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-03 05:49:41,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:49:41,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1024353009, now seen corresponding path program 1 times [2024-11-03 05:49:41,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:49:41,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097175502] [2024-11-03 05:49:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:49:41,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:49:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:49:41,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:49:41,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:49:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:49:41,333 WARN L253 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-03 05:49:41,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:49:41,477 INFO L349 Elim1Store]: treesize reduction 60, result has 33.3 percent of original size [2024-11-03 05:49:41,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 41 [2024-11-03 05:49:41,623 INFO L349 Elim1Store]: treesize reduction 165, result has 24.0 percent of original size [2024-11-03 05:49:41,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 43 treesize of output 82 [2024-11-03 05:49:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,029 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-03 05:49:42,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 38 [2024-11-03 05:49:42,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:42,142 INFO L349 Elim1Store]: treesize reduction 92, result has 19.3 percent of original size [2024-11-03 05:49:42,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 52 treesize of output 74 [2024-11-03 05:49:42,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2024-11-03 05:49:42,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-03 05:49:42,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2024-11-03 05:49:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:43,143 INFO L349 Elim1Store]: treesize reduction 22, result has 56.9 percent of original size [2024-11-03 05:49:43,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 62 [2024-11-03 05:49:43,222 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-03 05:49:43,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 40 [2024-11-03 05:49:43,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-03 05:49:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:47,941 INFO L349 Elim1Store]: treesize reduction 194, result has 18.1 percent of original size [2024-11-03 05:49:47,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 57 treesize of output 84 [2024-11-03 05:49:48,086 INFO L349 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2024-11-03 05:49:48,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 56 [2024-11-03 05:49:48,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,141 INFO L349 Elim1Store]: treesize reduction 47, result has 9.6 percent of original size [2024-11-03 05:49:48,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 46 [2024-11-03 05:49:48,548 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-03 05:49:48,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 37 [2024-11-03 05:49:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2024-11-03 05:49:48,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-11-03 05:49:48,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 05:49:48,898 INFO L349 Elim1Store]: treesize reduction 75, result has 40.0 percent of original size [2024-11-03 05:49:48,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 107 [2024-11-03 05:49:51,667 INFO L349 Elim1Store]: treesize reduction 774, result has 27.3 percent of original size [2024-11-03 05:49:51,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 75 case distinctions, treesize of input 236 treesize of output 495 [2024-11-03 05:49:51,875 INFO L224 Elim1Store]: Index analysis took 131 ms [2024-11-03 05:49:53,683 INFO L349 Elim1Store]: treesize reduction 296, result has 52.0 percent of original size [2024-11-03 05:49:53,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 50 case distinctions, treesize of input 198 treesize of output 507