/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/float_req_bl_1122a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 06:24:09,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 06:24:09,835 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 06:24:09,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 06:24:09,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 06:24:09,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 06:24:09,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 06:24:09,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 06:24:09,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 06:24:09,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 06:24:09,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 06:24:09,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 06:24:09,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 06:24:09,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 06:24:09,873 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 06:24:09,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 06:24:09,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 06:24:09,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 06:24:09,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 06:24:09,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 06:24:09,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 06:24:09,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 06:24:09,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 06:24:09,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 06:24:09,877 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 06:24:09,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 06:24:09,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 06:24:09,878 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 06:24:09,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 06:24:09,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 06:24:09,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 06:24:09,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 06:24:09,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 06:24:09,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 06:24:09,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 06:24:09,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 06:24:09,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 06:24:09,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 06:24:09,880 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 06:24:09,880 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 06:24:09,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 06:24:09,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 06:24:09,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 06:24:09,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 06:24:09,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 06:24:10,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 06:24:10,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 06:24:10,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 06:24:10,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 06:24:10,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 06:24:10,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1122a.c [2024-11-03 06:24:11,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 06:24:11,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 06:24:11,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1122a.c [2024-11-03 06:24:11,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2af04ee23/096ee8e207354656933681cd73f3f541/FLAGb71289057 [2024-11-03 06:24:11,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2af04ee23/096ee8e207354656933681cd73f3f541 [2024-11-03 06:24:11,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 06:24:11,925 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 06:24:11,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 06:24:11,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 06:24:11,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 06:24:11,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 06:24:11" (1/1) ... [2024-11-03 06:24:11,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c54101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:11, skipping insertion in model container [2024-11-03 06:24:11,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 06:24:11" (1/1) ... [2024-11-03 06:24:11,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 06:24:12,117 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1122a.c[2725,2738] [2024-11-03 06:24:12,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 06:24:12,130 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 06:24:12,153 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1122a.c[2725,2738] [2024-11-03 06:24:12,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 06:24:12,174 INFO L204 MainTranslator]: Completed translation [2024-11-03 06:24:12,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12 WrapperNode [2024-11-03 06:24:12,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 06:24:12,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 06:24:12,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 06:24:12,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 06:24:12,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,210 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2024-11-03 06:24:12,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 06:24:12,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 06:24:12,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 06:24:12,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 06:24:12,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,237 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 2, 2, 5, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0]. The 4 writes are split as follows [0, 1, 1, 0, 1, 1]. [2024-11-03 06:24:12,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 06:24:12,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 06:24:12,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 06:24:12,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 06:24:12,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (1/1) ... [2024-11-03 06:24:12,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 06:24:12,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 06:24:12,298 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 06:24:12,300 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 06:24:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 06:24:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-03 06:24:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 06:24:12,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 06:24:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-03 06:24:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 06:24:12,403 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 06:24:12,405 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 06:24:14,311 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-03 06:24:14,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 06:24:14,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 06:24:14,326 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-03 06:24:14,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 06:24:14 BoogieIcfgContainer [2024-11-03 06:24:14,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 06:24:14,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 06:24:14,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 06:24:14,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 06:24:14,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 06:24:11" (1/3) ... [2024-11-03 06:24:14,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bfe3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 06:24:14, skipping insertion in model container [2024-11-03 06:24:14,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:24:12" (2/3) ... [2024-11-03 06:24:14,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bfe3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 06:24:14, skipping insertion in model container [2024-11-03 06:24:14,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 06:24:14" (3/3) ... [2024-11-03 06:24:14,334 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2024-11-03 06:24:14,345 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 06:24:14,346 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 06:24:14,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 06:24:14,394 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;@70112082, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 06:24:14,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 06:24:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 06:24:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-03 06:24:14,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 06:24:14,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 06:24:14,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 06:24:14,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 06:24:14,407 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2024-11-03 06:24:14,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 06:24:14,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274721169] [2024-11-03 06:24:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 06:24:14,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 06:24:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 06:24:14,421 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 06:24:14,423 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 06:24:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 06:24:14,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 06:24:14,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 06:24:14,541 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 06:24:14,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 06:24:14,546 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 06:24:14,547 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 06:24:14,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274721169] [2024-11-03 06:24:14,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [274721169] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 06:24:14,548 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 06:24:14,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 06:24:14,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402626267] [2024-11-03 06:24:14,550 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 06:24:14,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 06:24:14,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 06:24:14,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 06:24:14,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 06:24:14,575 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 06:24:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 06:24:14,590 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2024-11-03 06:24:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 06:24:14,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-11-03 06:24:14,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 06:24:14,600 INFO L225 Difference]: With dead ends: 82 [2024-11-03 06:24:14,600 INFO L226 Difference]: Without dead ends: 39 [2024-11-03 06:24:14,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 06:24:14,606 INFO L432 NwaCegarLoop]: 57 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, 57 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 06:24:14,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 06:24:14,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-03 06:24:14,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-03 06:24:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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 06:24:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2024-11-03 06:24:14,638 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2024-11-03 06:24:14,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 06:24:14,638 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2024-11-03 06:24:14,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 06:24:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-03 06:24:14,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 06:24:14,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 06:24:14,640 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 06:24:14,643 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 06:24:14,843 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 06:24:14,844 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 06:24:14,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 06:24:14,845 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2024-11-03 06:24:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 06:24:14,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659196523] [2024-11-03 06:24:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 06:24:14,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 06:24:14,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 06:24:14,849 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 06:24:14,851 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 06:24:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 06:24:14,965 WARN L253 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-03 06:24:14,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 06:24:15,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 06:24:15,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-03 06:24:15,211 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 06:24:15,224 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 06:24:17,919 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 06:24:17,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 06:24:27,243 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode |c_ULTIMATE.start_fmod_float_~x#1| |c_ULTIMATE.start_fmod_float_~y#1|))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0))) is different from false [2024-11-03 06:24:31,285 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode |c_ULTIMATE.start_fmod_float_~x#1| |c_ULTIMATE.start_fmod_float_~y#1|))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0))) is different from true [2024-11-03 06:24:36,762 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 06:24:43,291 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 06:24:49,295 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 06:24:55,456 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 06:25:02,639 WARN L873 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_fmod_float_~hy~0#1_26| (_ BitVec 32))) (not (= |c_ULTIMATE.start_fmod_float_~y#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|))))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode |c_ULTIMATE.start_fmod_float_~x#1| |c_ULTIMATE.start_fmod_float_~y#1|))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2024-11-03 06:25:17,060 WARN L286 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-03 06:25:19,392 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 06:25:19,392 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 06:25:19,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659196523] [2024-11-03 06:25:19,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1659196523] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 06:25:19,392 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 06:25:19,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2024-11-03 06:25:19,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158057898] [2024-11-03 06:25:19,393 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 06:25:19,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 06:25:19,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 06:25:19,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 06:25:19,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=103, Unknown=3, NotChecked=42, Total=182 [2024-11-03 06:25:19,396 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 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 06:25:23,713 WARN L873 $PredicateComparison]: unable to prove that (and (or (forall ((|v_ULTIMATE.start_fmod_float_~hy~0#1_26| (_ BitVec 32))) (not (= |c_ULTIMATE.start_fmod_float_~y#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|))))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode |c_ULTIMATE.start_fmod_float_~x#1| |c_ULTIMATE.start_fmod_float_~y#1|))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= |c_ULTIMATE.start_fmod_float_~x#1| (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (_ +zero 8 24))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-03 06:25:27,886 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_9| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_9|)) (= (_ bv4 32) (select |c_#length| |v_ULTIMATE.start_fmod_float_~#gf_u~0#1.base_9|)))) (or (forall ((|v_ULTIMATE.start_fmod_float_~hy~0#1_26| (_ BitVec 32))) (not (= |c_ULTIMATE.start_fmod_float_~y#1| (fp ((_ extract 31 31) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|) ((_ extract 30 23) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|) ((_ extract 22 0) |v_ULTIMATE.start_fmod_float_~hy~0#1_26|))))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode |c_ULTIMATE.start_fmod_float_~x#1| |c_ULTIMATE.start_fmod_float_~y#1|))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= |c_ULTIMATE.start_fmod_float_~x#1| (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (_ +zero 8 24))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-03 06:25:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 06:25:47,587 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2024-11-03 06:25:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 06:25:47,588 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 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 06:25:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 06:25:47,588 INFO L225 Difference]: With dead ends: 45 [2024-11-03 06:25:47,588 INFO L226 Difference]: Without dead ends: 40 [2024-11-03 06:25:47,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 4 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 43.2s TimeCoverageRelationStatistics Valid=53, Invalid=168, Unknown=5, NotChecked=116, Total=342 [2024-11-03 06:25:47,590 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 84 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-03 06:25:47,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 331 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 137 Unchecked, 2.7s Time] [2024-11-03 06:25:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-03 06:25:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-11-03 06:25:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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 06:25:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2024-11-03 06:25:47,596 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2024-11-03 06:25:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 06:25:47,596 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2024-11-03 06:25:47,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 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 06:25:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-03 06:25:47,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-03 06:25:47,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 06:25:47,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 06:25:47,601 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 06:25:47,797 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 06:25:47,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 06:25:47,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 06:25:47,799 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2024-11-03 06:25:47,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 06:25:47,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818278867] [2024-11-03 06:25:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 06:25:47,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 06:25:47,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 06:25:47,800 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 06:25:47,801 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 06:25:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 06:25:47,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 06:25:47,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 06:25:47,983 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 06:25:47,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 06:25:48,011 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 06:25:48,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-03 06:25:48,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 06:25:48,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-03 06:25:48,360 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 06:25:48,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 06:25:48,749 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 06:25:48,749 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 06:25:48,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818278867] [2024-11-03 06:25:48,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1818278867] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 06:25:48,750 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 06:25:48,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2024-11-03 06:25:48,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539639854] [2024-11-03 06:25:48,750 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 06:25:48,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 06:25:48,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 06:25:48,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 06:25:48,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-03 06:25:48,751 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 06:25:48,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 06:25:48,941 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2024-11-03 06:25:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 06:25:48,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 06:25:48,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 06:25:48,942 INFO L225 Difference]: With dead ends: 39 [2024-11-03 06:25:48,942 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 06:25:48,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-03 06:25:48,943 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 06:25:48,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 06:25:48,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 06:25:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 06:25:48,945 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 06:25:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 06:25:48,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-03 06:25:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 06:25:48,945 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 06:25:48,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 06:25:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 06:25:48,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 06:25:48,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 06:25:48,952 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 06:25:49,150 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 06:25:49,153 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-03 06:25:49,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 06:25:53,850 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 06:25:53,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 06:25:53 BoogieIcfgContainer [2024-11-03 06:25:53,863 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 06:25:53,864 INFO L158 Benchmark]: Toolchain (without parser) took 101939.73ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 64.7MB in the end (delta: 88.2MB). Peak memory consumption was 88.7MB. Max. memory is 8.0GB. [2024-11-03 06:25:53,864 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 06:25:53,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.63ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 137.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 06:25:53,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 190.8MB. Free memory was 137.8MB in the beginning and 135.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 06:25:53,865 INFO L158 Benchmark]: Boogie Preprocessor took 57.59ms. Allocated memory is still 190.8MB. Free memory was 135.8MB in the beginning and 132.4MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 06:25:53,865 INFO L158 Benchmark]: RCFGBuilder took 2054.76ms. Allocated memory is still 190.8MB. Free memory was 132.4MB in the beginning and 111.0MB in the end (delta: 21.4MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-11-03 06:25:53,865 INFO L158 Benchmark]: TraceAbstraction took 99533.79ms. Allocated memory is still 190.8MB. Free memory was 110.0MB in the beginning and 64.7MB in the end (delta: 45.3MB). Peak memory consumption was 45.7MB. Max. memory is 8.0GB. [2024-11-03 06:25:53,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 249.63ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 137.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 190.8MB. Free memory was 137.8MB in the beginning and 135.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.59ms. Allocated memory is still 190.8MB. Free memory was 135.8MB in the beginning and 132.4MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 2054.76ms. Allocated memory is still 190.8MB. Free memory was 132.4MB in the beginning and 111.0MB in the end (delta: 21.4MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 99533.79ms. Allocated memory is still 190.8MB. Free memory was 110.0MB in the beginning and 64.7MB in the end (delta: 45.3MB). Peak memory consumption was 45.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 125]: 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 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 94.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 396 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 137 IncrementalHoareTripleChecker+Unchecked, 290 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 106 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 4 IntricatePredicates, 1 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 43.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 65.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 9 QuantifiedInterpolants, 521 SizeOfPredicates, 24 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-03 06:25:53,984 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...