/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/float-newlib/double_req_bl_0460.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 06:02:39,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 06:02:39,699 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 06:02:39,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 06:02:39,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 06:02:39,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 06:02:39,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 06:02:39,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 06:02:39,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 06:02:39,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 06:02:39,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 06:02:39,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 06:02:39,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 06:02:39,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 06:02:39,743 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 06:02:39,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 06:02:39,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 06:02:39,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 06:02:39,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 06:02:39,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 06:02:39,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 06:02:39,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 06:02:39,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 06:02:39,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 06:02:39,751 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 06:02:39,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 06:02:39,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 06:02:39,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 06:02:39,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 06:02:39,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 06:02:39,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 06:02:39,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 06:02:39,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 06:02:39,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 06:02:39,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 06:02:39,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 06:02:39,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 06:02:39,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 06:02:39,756 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 06:02:39,756 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 06:02:39,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 06:02:39,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 06:02:39,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 06:02:39,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 06:02:39,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 06:02:40,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 06:02:40,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 06:02:40,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 06:02:40,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 06:02:40,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 06:02:40,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0460.c [2024-11-03 06:02:41,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 06:02:41,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 06:02:41,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0460.c [2024-11-03 06:02:41,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba9da80d/ad4cc1147953423995ebf4fe42293a78/FLAG2452b964f [2024-11-03 06:02:41,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba9da80d/ad4cc1147953423995ebf4fe42293a78 [2024-11-03 06:02:41,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 06:02:41,749 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 06:02:41,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 06:02:41,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 06:02:41,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 06:02:41,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 06:02:41" (1/1) ... [2024-11-03 06:02:41,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1f2ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:41, skipping insertion in model container [2024-11-03 06:02:41,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 06:02:41" (1/1) ... [2024-11-03 06:02:41,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 06:02:42,048 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0460.c[5763,5776] [2024-11-03 06:02:42,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 06:02:42,068 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 06:02:42,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0460.c[5763,5776] [2024-11-03 06:02:42,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 06:02:42,142 INFO L204 MainTranslator]: Completed translation [2024-11-03 06:02:42,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42 WrapperNode [2024-11-03 06:02:42,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 06:02:42,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 06:02:42,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 06:02:42,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 06:02:42,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,184 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2024-11-03 06:02:42,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 06:02:42,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 06:02:42,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 06:02:42,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 06:02:42,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,223 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 3, 2, 3, 3, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 2, 2, 1]. [2024-11-03 06:02:42,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 06:02:42,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 06:02:42,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 06:02:42,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 06:02:42,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (1/1) ... [2024-11-03 06:02:42,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 06:02:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 06:02:42,305 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 06:02:42,308 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 06:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 06:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-03 06:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-03 06:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-03 06:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-03 06:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-03 06:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 06:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-11-03 06:02:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 06:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 06:02:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 06:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 06:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 06:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 06:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 06:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 06:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 06:02:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 06:02:42,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 06:02:42,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 06:03:10,007 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2024-11-03 06:03:10,008 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 06:03:10,021 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 06:03:10,021 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-03 06:03:10,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 06:03:10 BoogieIcfgContainer [2024-11-03 06:03:10,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 06:03:10,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 06:03:10,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 06:03:10,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 06:03:10,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 06:02:41" (1/3) ... [2024-11-03 06:03:10,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afcb54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 06:03:10, skipping insertion in model container [2024-11-03 06:03:10,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:02:42" (2/3) ... [2024-11-03 06:03:10,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7afcb54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 06:03:10, skipping insertion in model container [2024-11-03 06:03:10,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 06:03:10" (3/3) ... [2024-11-03 06:03:10,030 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460.c [2024-11-03 06:03:10,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 06:03:10,047 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 06:03:10,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 06:03:10,117 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;@36908ae8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 06:03:10,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 06:03:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 68 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 06:03:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 06:03:10,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 06:03:10,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 06:03:10,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 06:03:10,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 06:03:10,138 INFO L85 PathProgramCache]: Analyzing trace with hash 260887967, now seen corresponding path program 1 times [2024-11-03 06:03:10,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 06:03:10,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086463971] [2024-11-03 06:03:10,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 06:03:10,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 06:03:10,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 06:03:10,156 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 06:03:10,158 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 06:03:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 06:03:10,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 06:03:10,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 06:03:10,307 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 06:03:10,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 06:03:10,311 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 06:03:10,312 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 06:03:10,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086463971] [2024-11-03 06:03:10,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1086463971] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 06:03:10,313 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 06:03:10,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 06:03:10,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812194003] [2024-11-03 06:03:10,315 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 06:03:10,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 06:03:10,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 06:03:10,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 06:03:10,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 06:03:10,339 INFO L87 Difference]: Start difference. First operand has 72 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 68 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 06:03:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 06:03:10,373 INFO L93 Difference]: Finished difference Result 141 states and 226 transitions. [2024-11-03 06:03:10,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 06:03:10,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-03 06:03:10,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 06:03:10,384 INFO L225 Difference]: With dead ends: 141 [2024-11-03 06:03:10,384 INFO L226 Difference]: Without dead ends: 68 [2024-11-03 06:03:10,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 06:03:10,393 INFO L432 NwaCegarLoop]: 99 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, 99 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 06:03:10,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 06:03:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-03 06:03:10,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-03 06:03:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.40625) internal successors, (90), 64 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 06:03:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-03 06:03:10,426 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 12 [2024-11-03 06:03:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 06:03:10,426 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-03 06:03:10,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 06:03:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-03 06:03:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-03 06:03:10,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 06:03:10,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 06:03:10,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-03 06:03:10,629 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 06:03:10,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 06:03:10,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 06:03:10,631 INFO L85 PathProgramCache]: Analyzing trace with hash -843068167, now seen corresponding path program 1 times [2024-11-03 06:03:10,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 06:03:10,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192862134] [2024-11-03 06:03:10,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 06:03:10,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 06:03:10,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 06:03:10,635 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 06:03:10,637 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 06:03:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 06:03:10,763 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-03 06:03:10,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 06:03:23,723 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 06:03:23,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 06:03:28,916 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 06:03:28,917 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 06:03:28,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192862134] [2024-11-03 06:03:28,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [192862134] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 06:03:28,918 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 06:03:28,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2024-11-03 06:03:28,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642016181] [2024-11-03 06:03:28,919 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 06:03:28,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 06:03:28,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 06:03:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 06:03:28,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 06:03:28,925 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 06:03:38,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 06:03:39,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 06:03:42,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 06:03:42,750 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2024-11-03 06:03:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 06:03:42,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-03 06:03:42,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 06:03:42,752 INFO L225 Difference]: With dead ends: 74 [2024-11-03 06:03:42,753 INFO L226 Difference]: Without dead ends: 17 [2024-11-03 06:03:42,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-03 06:03:42,755 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 39 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-03 06:03:42,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 29 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-11-03 06:03:42,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-03 06:03:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-11-03 06:03:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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 06:03:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-03 06:03:42,762 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2024-11-03 06:03:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 06:03:42,762 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-03 06:03:42,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 06:03:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-03 06:03:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-03 06:03:42,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 06:03:42,764 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 06:03:42,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 06:03:42,967 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 06:03:42,967 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 06:03:42,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 06:03:42,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017025, now seen corresponding path program 1 times [2024-11-03 06:03:42,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 06:03:42,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465232441] [2024-11-03 06:03:42,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 06:03:42,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 06:03:42,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 06:03:42,971 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 06:03:42,972 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 06:03:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 06:03:43,702 WARN L253 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 06:03:43,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 06:03:45,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-03 06:03:45,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-03 06:04:11,421 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-03 06:04:11,422 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 06:04:11,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465232441] [2024-11-03 06:04:11,423 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-03 06:04:11,425 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 101 [2024-11-03 06:04:11,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-03 06:04:11,624 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 06:04:11,625 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:947) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:290) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 43 more [2024-11-03 06:04:11,629 INFO L158 Benchmark]: Toolchain (without parser) took 89880.19ms. Allocated memory was 191.9MB in the beginning and 319.8MB in the end (delta: 127.9MB). Free memory was 145.5MB in the beginning and 160.8MB in the end (delta: -15.3MB). Peak memory consumption was 113.7MB. Max. memory is 8.0GB. [2024-11-03 06:04:11,630 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 06:04:11,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.40ms. Allocated memory is still 191.9MB. Free memory was 145.2MB in the beginning and 127.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-03 06:04:11,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 191.9MB. Free memory was 127.7MB in the beginning and 125.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 06:04:11,633 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 191.9MB. Free memory was 125.6MB in the beginning and 121.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-03 06:04:11,633 INFO L158 Benchmark]: RCFGBuilder took 27761.32ms. Allocated memory was 191.9MB in the beginning and 319.8MB in the end (delta: 127.9MB). Free memory was 120.7MB in the beginning and 282.1MB in the end (delta: -161.4MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2024-11-03 06:04:11,633 INFO L158 Benchmark]: TraceAbstraction took 61604.58ms. Allocated memory is still 319.8MB. Free memory was 281.1MB in the beginning and 160.8MB in the end (delta: 120.3MB). Peak memory consumption was 120.6MB. Max. memory is 8.0GB. [2024-11-03 06:04:11,638 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.40ms. Allocated memory is still 191.9MB. Free memory was 145.2MB in the beginning and 127.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.78ms. Allocated memory is still 191.9MB. Free memory was 127.7MB in the beginning and 125.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 191.9MB. Free memory was 125.6MB in the beginning and 121.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 27761.32ms. Allocated memory was 191.9MB in the beginning and 319.8MB in the end (delta: 127.9MB). Free memory was 120.7MB in the beginning and 282.1MB in the end (delta: -161.4MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. * TraceAbstraction took 61604.58ms. Allocated memory is still 319.8MB. Free memory was 281.1MB in the beginning and 160.8MB in the end (delta: 120.3MB). Peak memory consumption was 120.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...