/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/float-no-simp4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:48:40,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:48:40,278 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 05:48:40,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:48:40,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:48:40,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:48:40,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:48:40,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:48:40,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:48:40,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:48:40,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:48:40,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:48:40,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:48:40,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:48:40,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:48:40,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:48:40,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:48:40,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:48:40,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:48:40,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:48:40,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:48:40,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:48:40,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:48:40,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:48:40,323 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:48:40,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:48:40,323 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:48:40,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:48:40,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:48:40,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:48:40,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:48:40,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:48:40,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:48:40,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:48:40,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:48:40,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:48:40,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:48:40,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:48:40,327 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:48:40,327 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:48:40,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:48:40,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:48:40,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:48:40,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:48:40,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:40,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:48:40,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:48:40,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:48:40,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:48:40,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:48:40,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2024-11-03 05:48:41,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:48:42,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:48:42,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2024-11-03 05:48:42,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb7ce531/81d0f2fa6888435b91f1f6406f7318fe/FLAGf18f062d7 [2024-11-03 05:48:42,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcb7ce531/81d0f2fa6888435b91f1f6406f7318fe [2024-11-03 05:48:42,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:48:42,523 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:48:42,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:48:42,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:48:42,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:48:42,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:48:42" (1/1) ... [2024-11-03 05:48:42,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a162666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:42, skipping insertion in model container [2024-11-03 05:48:42,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:48:42" (1/1) ... [2024-11-03 05:48:42,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:48:43,051 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/float-no-simp4.i[41149,41162] [2024-11-03 05:48:43,056 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/float-no-simp4.i[41296,41309] [2024-11-03 05:48:43,058 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/float-no-simp4.i[41445,41458] [2024-11-03 05:48:43,061 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/float-no-simp4.i[41846,41859] [2024-11-03 05:48:43,063 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/float-no-simp4.i[41993,42006] [2024-11-03 05:48:43,066 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/float-no-simp4.i[42394,42407] [2024-11-03 05:48:43,068 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/float-no-simp4.i[42541,42554] [2024-11-03 05:48:43,069 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/float-no-simp4.i[42582,42595] [2024-11-03 05:48:43,072 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/float-no-simp4.i[42965,42978] [2024-11-03 05:48:43,073 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/float-no-simp4.i[43112,43125] [2024-11-03 05:48:43,077 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/float-no-simp4.i[43610,43623] [2024-11-03 05:48:43,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:48:43,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:48:43,125 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/float-no-simp4.i[41149,41162] [2024-11-03 05:48:43,126 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/float-no-simp4.i[41296,41309] [2024-11-03 05:48:43,127 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/float-no-simp4.i[41445,41458] [2024-11-03 05:48:43,129 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/float-no-simp4.i[41846,41859] [2024-11-03 05:48:43,130 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/float-no-simp4.i[41993,42006] [2024-11-03 05:48:43,132 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/float-no-simp4.i[42394,42407] [2024-11-03 05:48:43,133 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/float-no-simp4.i[42541,42554] [2024-11-03 05:48:43,133 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/float-no-simp4.i[42582,42595] [2024-11-03 05:48:43,135 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/float-no-simp4.i[42965,42978] [2024-11-03 05:48:43,136 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/float-no-simp4.i[43112,43125] [2024-11-03 05:48:43,138 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/float-no-simp4.i[43610,43623] [2024-11-03 05:48:43,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:48:43,263 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:48:43,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43 WrapperNode [2024-11-03 05:48:43,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:48:43,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:48:43,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:48:43,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:48:43,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,316 INFO L138 Inliner]: procedures = 449, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2024-11-03 05:48:43,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:48:43,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:48:43,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:48:43,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:48:43,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,339 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 05:48:43,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:48:43,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:48:43,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:48:43,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:48:43,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (1/1) ... [2024-11-03 05:48:43,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:48:43,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:48:43,381 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 05:48:43,383 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 05:48:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:48:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:48:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:48:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:48:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:48:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:48:43,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:48:43,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:48:43,691 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-03 05:48:43,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:48:43,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:48:43,704 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 05:48:43,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:48:43 BoogieIcfgContainer [2024-11-03 05:48:43,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:48:43,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:48:43,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:48:43,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:48:43,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:48:42" (1/3) ... [2024-11-03 05:48:43,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a919516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:48:43, skipping insertion in model container [2024-11-03 05:48:43,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:43" (2/3) ... [2024-11-03 05:48:43,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a919516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:48:43, skipping insertion in model container [2024-11-03 05:48:43,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:48:43" (3/3) ... [2024-11-03 05:48:43,714 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2024-11-03 05:48:43,729 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:48:43,730 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-03 05:48:43,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:48:43,794 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;@150da6a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:48:43,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-03 05:48:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.696969696969697) internal successors, (56), 44 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-03 05:48:43,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:43,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:43,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:43,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:43,809 INFO L85 PathProgramCache]: Analyzing trace with hash 855794161, now seen corresponding path program 1 times [2024-11-03 05:48:43,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:43,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251292122] [2024-11-03 05:48:43,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:43,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:43,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:43,823 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 05:48:43,825 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 05:48:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:43,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:48:43,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:48:43,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:48:43,926 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251292122] [2024-11-03 05:48:43,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [251292122] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:48:43,927 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:48:43,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 05:48:43,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72448097] [2024-11-03 05:48:43,929 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:43,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:48:43,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:43,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:48:43,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:48:43,956 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.696969696969697) internal successors, (56), 44 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-03 05:48:43,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:43,979 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions. [2024-11-03 05:48:43,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:48:43,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-03 05:48:43,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:43,988 INFO L225 Difference]: With dead ends: 99 [2024-11-03 05:48:43,989 INFO L226 Difference]: Without dead ends: 48 [2024-11-03 05:48:43,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:48:43,997 INFO L432 NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:43,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:48:44,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-03 05:48:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-03 05:48:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 41 states have internal predecessors, (41), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2024-11-03 05:48:44,038 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 9 [2024-11-03 05:48:44,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:44,039 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2024-11-03 05:48:44,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-03 05:48:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2024-11-03 05:48:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-03 05:48:44,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:44,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:44,044 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 05:48:44,244 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 05:48:44,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:44,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash 857641203, now seen corresponding path program 1 times [2024-11-03 05:48:44,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:44,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543567464] [2024-11-03 05:48:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:44,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:44,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:44,250 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 05:48:44,252 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 05:48:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:44,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 05:48:44,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:48:44,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:48:44,774 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:44,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543567464] [2024-11-03 05:48:44,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1543567464] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:48:44,774 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:48:44,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 05:48:44,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626813465] [2024-11-03 05:48:44,775 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:44,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:48:44,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:44,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:48:44,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:44,782 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 05:48:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:44,937 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2024-11-03 05:48:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 05:48:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 9 [2024-11-03 05:48:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:44,940 INFO L225 Difference]: With dead ends: 48 [2024-11-03 05:48:44,940 INFO L226 Difference]: Without dead ends: 42 [2024-11-03 05:48:44,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:44,941 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 4 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:44,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 130 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:48:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-03 05:48:44,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-03 05:48:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.25) internal successors, (35), 35 states have internal predecessors, (35), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2024-11-03 05:48:44,953 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 9 [2024-11-03 05:48:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:44,955 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2024-11-03 05:48:44,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 05:48:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-11-03 05:48:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 05:48:44,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:44,958 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:44,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 05:48:45,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:45,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:45,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:45,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1222120034, now seen corresponding path program 1 times [2024-11-03 05:48:45,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:45,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037739953] [2024-11-03 05:48:45,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:45,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:45,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:45,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:48:45,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 05:48:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:45,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 05:48:45,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-03 05:48:45,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-03 05:48:45,406 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:45,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037739953] [2024-11-03 05:48:45,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2037739953] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:48:45,406 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:48:45,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 05:48:45,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148011815] [2024-11-03 05:48:45,407 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:45,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:48:45,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:45,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:48:45,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:45,410 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 05:48:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:45,478 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2024-11-03 05:48:45,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 05:48:45,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2024-11-03 05:48:45,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:45,480 INFO L225 Difference]: With dead ends: 42 [2024-11-03 05:48:45,480 INFO L226 Difference]: Without dead ends: 38 [2024-11-03 05:48:45,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:45,481 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:45,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 117 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:48:45,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-03 05:48:45,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-03 05:48:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 31 states have internal predecessors, (31), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-11-03 05:48:45,489 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 18 [2024-11-03 05:48:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:45,490 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-11-03 05:48:45,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 05:48:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-03 05:48:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-03 05:48:45,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:45,491 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:45,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 05:48:45,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:45,693 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:45,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:45,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1704996651, now seen corresponding path program 1 times [2024-11-03 05:48:45,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:45,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917251975] [2024-11-03 05:48:45,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:45,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:45,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:48:45,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 05:48:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:45,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 05:48:45,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-03 05:48:45,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-03 05:48:45,931 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:45,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917251975] [2024-11-03 05:48:45,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1917251975] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:48:45,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:48:45,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-03 05:48:45,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559575792] [2024-11-03 05:48:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:45,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-03 05:48:45,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:45,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-03 05:48:45,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:45,933 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 05:48:45,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:45,979 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-11-03 05:48:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 05:48:45,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-03 05:48:45,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:45,980 INFO L225 Difference]: With dead ends: 38 [2024-11-03 05:48:45,980 INFO L226 Difference]: Without dead ends: 36 [2024-11-03 05:48:45,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:45,982 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:45,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:48:45,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-03 05:48:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-03 05:48:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.16) internal successors, (29), 29 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-03 05:48:45,991 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 26 [2024-11-03 05:48:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:45,991 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-03 05:48:45,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 05:48:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-03 05:48:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-03 05:48:45,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:45,994 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:45,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 05:48:46,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:46,195 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:46,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:46,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1315284509, now seen corresponding path program 1 times [2024-11-03 05:48:46,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:46,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882205447] [2024-11-03 05:48:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:46,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:46,199 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:48:46,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 05:48:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:46,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-03 05:48:46,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-03 05:48:46,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-03 05:48:46,432 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:46,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882205447] [2024-11-03 05:48:46,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [882205447] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:48:46,433 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:48:46,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 05:48:46,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222461143] [2024-11-03 05:48:46,433 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:46,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:48:46,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:46,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:48:46,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:46,434 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-03 05:48:46,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:46,503 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2024-11-03 05:48:46,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 05:48:46,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-03 05:48:46,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:46,505 INFO L225 Difference]: With dead ends: 36 [2024-11-03 05:48:46,505 INFO L226 Difference]: Without dead ends: 32 [2024-11-03 05:48:46,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:46,506 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:46,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 132 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:48:46,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-03 05:48:46,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-03 05:48:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 25 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-03 05:48:46,511 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 27 [2024-11-03 05:48:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:46,511 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-03 05:48:46,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-03 05:48:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-03 05:48:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-03 05:48:46,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:46,512 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 05:48:46,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-03 05:48:46,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:46,715 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:46,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash -826066940, now seen corresponding path program 1 times [2024-11-03 05:48:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:46,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043428769] [2024-11-03 05:48:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:46,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:46,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:46,717 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:48:46,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-03 05:48:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:46,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-03 05:48:46,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-03 05:48:46,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-03 05:48:47,003 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:47,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043428769] [2024-11-03 05:48:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1043428769] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:48:47,004 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:48:47,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 05:48:47,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081813] [2024-11-03 05:48:47,004 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:47,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:48:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:47,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:48:47,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:47,006 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 05:48:47,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:47,091 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2024-11-03 05:48:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 05:48:47,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 35 [2024-11-03 05:48:47,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:47,093 INFO L225 Difference]: With dead ends: 32 [2024-11-03 05:48:47,093 INFO L226 Difference]: Without dead ends: 28 [2024-11-03 05:48:47,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:48:47,094 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:47,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 114 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:48:47,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-03 05:48:47,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-03 05:48:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.0) internal successors, (21), 21 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:48:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-03 05:48:47,100 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 35 [2024-11-03 05:48:47,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:47,100 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-03 05:48:47,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 05:48:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-03 05:48:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-03 05:48:47,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:48:47,106 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:47,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-03 05:48:47,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:47,307 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-03 05:48:47,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:48:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1889668375, now seen corresponding path program 1 times [2024-11-03 05:48:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:48:47,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42783646] [2024-11-03 05:48:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:48:47,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:47,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:48:47,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:48:47,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-03 05:48:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:48:47,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-03 05:48:47,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:48:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-03 05:48:47,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:48:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-03 05:48:47,618 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:48:47,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42783646] [2024-11-03 05:48:47,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [42783646] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:48:47,618 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:48:47,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-03 05:48:47,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059136582] [2024-11-03 05:48:47,619 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:48:47,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 05:48:47,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:48:47,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 05:48:47,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:48:47,620 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 05:48:47,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:48:47,688 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-03 05:48:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 05:48:47,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2024-11-03 05:48:47,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:48:47,689 INFO L225 Difference]: With dead ends: 28 [2024-11-03 05:48:47,689 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:48:47,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:48:47,690 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:48:47,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:48:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:48:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:48:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:48:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:48:47,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-03 05:48:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:48:47,693 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:48:47,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-03 05:48:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:48:47,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:48:47,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2024-11-03 05:48:47,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-11-03 05:48:47,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-11-03 05:48:47,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2024-11-03 05:48:47,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2024-11-03 05:48:47,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-11-03 05:48:47,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-11-03 05:48:47,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-11-03 05:48:47,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-11-03 05:48:47,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-11-03 05:48:47,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-11-03 05:48:47,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-03 05:48:47,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:48:47,904 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:48:47,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:48:47,921 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:48:47,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-11-03 05:48:47,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-11-03 05:48:47,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-11-03 05:48:47,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-11-03 05:48:47,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:48:47 BoogieIcfgContainer [2024-11-03 05:48:47,937 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:48:47,937 INFO L158 Benchmark]: Toolchain (without parser) took 5414.51ms. Allocated memory was 195.0MB in the beginning and 343.9MB in the end (delta: 148.9MB). Free memory was 137.0MB in the beginning and 203.1MB in the end (delta: -66.0MB). Peak memory consumption was 84.1MB. Max. memory is 8.0GB. [2024-11-03 05:48:47,937 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 195.0MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:48:47,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.45ms. Allocated memory was 195.0MB in the beginning and 343.9MB in the end (delta: 148.9MB). Free memory was 136.8MB in the beginning and 286.4MB in the end (delta: -149.7MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2024-11-03 05:48:47,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.87ms. Allocated memory is still 343.9MB. Free memory was 286.4MB in the beginning and 283.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:48:47,938 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 343.9MB. Free memory was 283.8MB in the beginning and 281.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:48:47,938 INFO L158 Benchmark]: RCFGBuilder took 351.60ms. Allocated memory is still 343.9MB. Free memory was 281.7MB in the beginning and 267.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 05:48:47,938 INFO L158 Benchmark]: TraceAbstraction took 4229.84ms. Allocated memory is still 343.9MB. Free memory was 266.5MB in the beginning and 203.1MB in the end (delta: 63.4MB). Peak memory consumption was 63.4MB. Max. memory is 8.0GB. [2024-11-03 05:48:47,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 195.0MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 740.45ms. Allocated memory was 195.0MB in the beginning and 343.9MB in the end (delta: 148.9MB). Free memory was 136.8MB in the beginning and 286.4MB in the end (delta: -149.7MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.87ms. Allocated memory is still 343.9MB. Free memory was 286.4MB in the beginning and 283.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 343.9MB. Free memory was 283.8MB in the beginning and 281.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 351.60ms. Allocated memory is still 343.9MB. Free memory was 281.7MB in the beginning and 267.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4229.84ms. Allocated memory is still 343.9MB. Free memory was 266.5MB in the beginning and 203.1MB in the end (delta: 63.4MB). Peak memory consumption was 63.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 973]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 974]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 975]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 981]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 982]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 988]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 989]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 990]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 997]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 998]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 7, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 698 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 475 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285 IncrementalHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 223 mSDtfsCounter, 285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 489 SizeOfPredicates, 22 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 181/184 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - ProcedureContractResult [Line: 2]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:48:47,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...