/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 16:03:14,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 16:03:14,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 16:03:14,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 16:03:14,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 16:03:14,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 16:03:14,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 16:03:14,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 16:03:14,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 16:03:14,165 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 16:03:14,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 16:03:14,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 16:03:14,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 16:03:14,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 16:03:14,168 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 16:03:14,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 16:03:14,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 16:03:14,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 16:03:14,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 16:03:14,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 16:03:14,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 16:03:14,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 16:03:14,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 16:03:14,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 16:03:14,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 16:03:14,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 16:03:14,172 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 16:03:14,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 16:03:14,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 16:03:14,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 16:03:14,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 16:03:14,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 16:03:14,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 16:03:14,174 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 16:03:14,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 16:03:14,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 16:03:14,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 16:03:14,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 16:03:14,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 16:03:14,380 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 16:03:14,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-1.i [2023-12-16 16:03:15,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 16:03:15,635 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 16:03:15,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-1.i [2023-12-16 16:03:15,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183987f47/228ec0a71aa34c65b943a383c172d2c7/FLAGaa21fdc58 [2023-12-16 16:03:15,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183987f47/228ec0a71aa34c65b943a383c172d2c7 [2023-12-16 16:03:15,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 16:03:15,667 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 16:03:15,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 16:03:15,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 16:03:15,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 16:03:15,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401d7096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15, skipping insertion in model container [2023-12-16 16:03:15,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 16:03:15,782 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-1.i[916,929] [2023-12-16 16:03:15,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 16:03:15,840 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 16:03:15,848 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-1.i[916,929] [2023-12-16 16:03:15,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 16:03:15,883 INFO L206 MainTranslator]: Completed translation [2023-12-16 16:03:15,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15 WrapperNode [2023-12-16 16:03:15,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 16:03:15,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 16:03:15,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 16:03:15,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 16:03:15,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,934 INFO L138 Inliner]: procedures = 36, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 480 [2023-12-16 16:03:15,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 16:03:15,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 16:03:15,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 16:03:15,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 16:03:15,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,979 INFO L175 MemorySlicer]: Split 127 memory accesses to 2 slices as follows [2, 125]. 98 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 13]. The 17 writes are split as follows [0, 17]. [2023-12-16 16:03:15,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:15,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:16,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 16:03:16,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 16:03:16,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 16:03:16,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 16:03:16,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (1/1) ... [2023-12-16 16:03:16,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 16:03:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 16:03:16,049 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) [2023-12-16 16:03:16,064 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 [2023-12-16 16:03:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 16:03:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-16 16:03:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-16 16:03:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-16 16:03:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-16 16:03:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 16:03:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-16 16:03:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-16 16:03:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-16 16:03:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 16:03:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 16:03:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 16:03:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 16:03:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-16 16:03:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-16 16:03:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-16 16:03:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-16 16:03:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-16 16:03:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-16 16:03:16,187 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 16:03:16,189 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 16:03:16,741 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 16:03:16,790 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 16:03:16,791 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 16:03:16,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:03:16 BoogieIcfgContainer [2023-12-16 16:03:16,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 16:03:16,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 16:03:16,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 16:03:16,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 16:03:16,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:03:15" (1/3) ... [2023-12-16 16:03:16,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dd3f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:03:16, skipping insertion in model container [2023-12-16 16:03:16,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:15" (2/3) ... [2023-12-16 16:03:16,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dd3f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:03:16, skipping insertion in model container [2023-12-16 16:03:16,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:03:16" (3/3) ... [2023-12-16 16:03:16,801 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-1.i [2023-12-16 16:03:16,812 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 16:03:16,812 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 16:03:16,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 16:03:16,858 INFO L357 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, mHoare=true, 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;@24c3104a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 16:03:16,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 16:03:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 79 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 16:03:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 16:03:16,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 16:03:16,872 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 16:03:16,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 16:03:16,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 16:03:16,878 INFO L85 PathProgramCache]: Analyzing trace with hash -61330005, now seen corresponding path program 1 times [2023-12-16 16:03:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 16:03:16,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892332211] [2023-12-16 16:03:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:03:16,892 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:16,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 16:03:16,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 16:03:16,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 16:03:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:03:17,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 16:03:17,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:03:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-12-16 16:03:17,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 16:03:17,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 16:03:17,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892332211] [2023-12-16 16:03:17,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892332211] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 16:03:17,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 16:03:17,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 16:03:17,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586052050] [2023-12-16 16:03:17,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 16:03:17,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 16:03:17,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 16:03:17,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 16:03:17,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 16:03:17,208 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 79 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 16:03:17,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 16:03:17,253 INFO L93 Difference]: Finished difference Result 187 states and 298 transitions. [2023-12-16 16:03:17,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 16:03:17,269 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2023-12-16 16:03:17,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 16:03:17,274 INFO L225 Difference]: With dead ends: 187 [2023-12-16 16:03:17,274 INFO L226 Difference]: Without dead ends: 93 [2023-12-16 16:03:17,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 16:03:17,278 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 16:03:17,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 16:03:17,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-16 16:03:17,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-16 16:03:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 16:03:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 138 transitions. [2023-12-16 16:03:17,307 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 138 transitions. Word has length 117 [2023-12-16 16:03:17,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 16:03:17,307 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 138 transitions. [2023-12-16 16:03:17,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 16:03:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2023-12-16 16:03:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 16:03:17,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 16:03:17,310 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 16:03:17,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 16:03:17,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:17,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 16:03:17,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 16:03:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1298615763, now seen corresponding path program 1 times [2023-12-16 16:03:17,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 16:03:17,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996815905] [2023-12-16 16:03:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:03:17,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:17,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 16:03:17,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 16:03:17,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 16:03:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:03:17,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 16:03:17,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:03:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 16:03:17,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 16:03:17,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 16:03:17,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996815905] [2023-12-16 16:03:17,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996815905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 16:03:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 16:03:17,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 16:03:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22383459] [2023-12-16 16:03:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 16:03:17,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 16:03:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 16:03:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 16:03:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 16:03:17,834 INFO L87 Difference]: Start difference. First operand 93 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 16:03:17,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 16:03:17,988 INFO L93 Difference]: Finished difference Result 200 states and 296 transitions. [2023-12-16 16:03:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 16:03:17,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 16:03:17,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 16:03:17,991 INFO L225 Difference]: With dead ends: 200 [2023-12-16 16:03:17,992 INFO L226 Difference]: Without dead ends: 108 [2023-12-16 16:03:17,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 16:03:17,993 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 28 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 16:03:17,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 510 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 16:03:17,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-12-16 16:03:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2023-12-16 16:03:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 81 states have internal predecessors, (114), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 16:03:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 142 transitions. [2023-12-16 16:03:18,003 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 142 transitions. Word has length 117 [2023-12-16 16:03:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 16:03:18,004 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 142 transitions. [2023-12-16 16:03:18,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 16:03:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-12-16 16:03:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 16:03:18,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 16:03:18,007 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 16:03:18,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 16:03:18,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:18,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 16:03:18,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 16:03:18,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1355874065, now seen corresponding path program 1 times [2023-12-16 16:03:18,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 16:03:18,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386327381] [2023-12-16 16:03:18,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:03:18,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 16:03:18,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 16:03:18,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 16:03:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:03:18,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 16:03:18,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:03:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 16:03:18,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 16:03:18,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 16:03:18,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386327381] [2023-12-16 16:03:18,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386327381] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 16:03:18,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 16:03:18,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 16:03:18,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165275804] [2023-12-16 16:03:18,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 16:03:18,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 16:03:18,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 16:03:18,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 16:03:18,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 16:03:18,476 INFO L87 Difference]: Start difference. First operand 97 states and 142 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 16:03:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 16:03:18,567 INFO L93 Difference]: Finished difference Result 205 states and 298 transitions. [2023-12-16 16:03:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 16:03:18,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-16 16:03:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 16:03:18,569 INFO L225 Difference]: With dead ends: 205 [2023-12-16 16:03:18,569 INFO L226 Difference]: Without dead ends: 109 [2023-12-16 16:03:18,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-16 16:03:18,570 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 22 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 16:03:18,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 632 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 16:03:18,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-16 16:03:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 99. [2023-12-16 16:03:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 83 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 16:03:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2023-12-16 16:03:18,577 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 117 [2023-12-16 16:03:18,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 16:03:18,577 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2023-12-16 16:03:18,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 16:03:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2023-12-16 16:03:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 16:03:18,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 16:03:18,578 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 16:03:18,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 16:03:18,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:18,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 16:03:18,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 16:03:18,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1355933647, now seen corresponding path program 1 times [2023-12-16 16:03:18,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 16:03:18,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824016182] [2023-12-16 16:03:18,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:03:18,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 16:03:18,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 16:03:18,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 16:03:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:03:19,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-16 16:03:19,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:03:19,770 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 [2023-12-16 16:03:20,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2023-12-16 16:03:20,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-12-16 16:03:20,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-12-16 16:03:21,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-12-16 16:03:21,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2023-12-16 16:03:21,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2023-12-16 16:03:21,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 16:03:21,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2023-12-16 16:03:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 114 proven. 150 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-16 16:03:21,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 16:03:21,712 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 16:03:21,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824016182] [2023-12-16 16:03:21,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824016182] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 16:03:21,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [422888179] [2023-12-16 16:03:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:03:21,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 16:03:21,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 16:03:21,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 16:03:21,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-16 16:03:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:03:22,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-16 16:03:22,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:03:23,236 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 12 treesize of output 8 [2023-12-16 16:03:23,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-16 16:03:23,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-12-16 16:03:24,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-12-16 16:03:24,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-12-16 16:03:25,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2023-12-16 16:03:25,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-12-16 16:03:25,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-16 16:03:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 144 proven. 132 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-12-16 16:03:25,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 16:03:25,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [422888179] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 16:03:25,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 16:03:25,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 18 [2023-12-16 16:03:25,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449825083] [2023-12-16 16:03:25,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 16:03:25,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-16 16:03:25,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 16:03:25,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-16 16:03:25,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2023-12-16 16:03:25,312 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 17 states have internal predecessors, (100), 8 states have call successors, (28), 7 states have call predecessors, (28), 8 states have return successors, (28), 8 states have call predecessors, (28), 8 states have call successors, (28) [2023-12-16 16:03:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 16:03:28,213 INFO L93 Difference]: Finished difference Result 249 states and 351 transitions. [2023-12-16 16:03:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-16 16:03:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 17 states have internal predecessors, (100), 8 states have call successors, (28), 7 states have call predecessors, (28), 8 states have return successors, (28), 8 states have call predecessors, (28), 8 states have call successors, (28) Word has length 117 [2023-12-16 16:03:28,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 16:03:28,215 INFO L225 Difference]: With dead ends: 249 [2023-12-16 16:03:28,215 INFO L226 Difference]: Without dead ends: 151 [2023-12-16 16:03:28,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 257 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=365, Invalid=1441, Unknown=0, NotChecked=0, Total=1806 [2023-12-16 16:03:28,220 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 326 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 99 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 16:03:28,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 665 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1098 Invalid, 2 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 16:03:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-16 16:03:28,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 109. [2023-12-16 16:03:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 16:03:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 152 transitions. [2023-12-16 16:03:28,235 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 152 transitions. Word has length 117 [2023-12-16 16:03:28,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 16:03:28,235 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 152 transitions. [2023-12-16 16:03:28,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.555555555555555) internal successors, (100), 17 states have internal predecessors, (100), 8 states have call successors, (28), 7 states have call predecessors, (28), 8 states have return successors, (28), 8 states have call predecessors, (28), 8 states have call successors, (28) [2023-12-16 16:03:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2023-12-16 16:03:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 16:03:28,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 16:03:28,237 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 16:03:28,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 16:03:28,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-16 16:03:28,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 16:03:28,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 16:03:28,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 16:03:28,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1778635473, now seen corresponding path program 1 times [2023-12-16 16:03:28,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 16:03:28,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609332064] [2023-12-16 16:03:28,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:03:28,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 16:03:28,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 16:03:28,654 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 16:03:28,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 16:03:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:03:28,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-16 16:03:28,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:03:30,360 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 8 treesize of output 1 [2023-12-16 16:03:30,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:03:31,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:03:31,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:03:31,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:03:31,893 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-12-16 16:03:31,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 33 [2023-12-16 16:03:31,920 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 15 treesize of output 7 [2023-12-16 16:03:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 108 proven. 141 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-12-16 16:03:31,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 16:04:00,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 16:04:00,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609332064] [2023-12-16 16:04:00,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609332064] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 16:04:00,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2129512817] [2023-12-16 16:04:00,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 16:04:00,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 16:04:00,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 16:04:00,895 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 16:04:00,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-16 16:04:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 16:04:01,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-16 16:04:01,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 16:04:08,580 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 [2023-12-16 16:04:11,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:04:12,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:04:15,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:04:15,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-16 16:04:15,595 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-12-16 16:04:15,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 33 [2023-12-16 16:04:15,758 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 15 treesize of output 7 [2023-12-16 16:04:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 108 proven. 141 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-12-16 16:04:15,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-16 16:04:32,054 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 16:04:32,075 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 16:04:32,076 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 16:04:33,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-16 16:04:33,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-16 16:04:33,254 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 16:04:33,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-16 16:04:33,271 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 16:04:33,272 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 118 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-16 16:04:33,275 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 16:04:33,277 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 16:04:33,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:04:33 BoogieIcfgContainer [2023-12-16 16:04:33,280 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 16:04:33,280 INFO L158 Benchmark]: Toolchain (without parser) took 77613.29ms. Allocated memory was 272.6MB in the beginning and 601.9MB in the end (delta: 329.3MB). Free memory was 225.3MB in the beginning and 551.9MB in the end (delta: -326.6MB). Peak memory consumption was 3.5MB. Max. memory is 8.0GB. [2023-12-16 16:04:33,280 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory was 165.7MB in the beginning and 165.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 16:04:33,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.94ms. Allocated memory is still 272.6MB. Free memory was 225.1MB in the beginning and 208.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 16:04:33,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.07ms. Allocated memory is still 272.6MB. Free memory was 208.8MB in the beginning and 205.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 16:04:33,284 INFO L158 Benchmark]: Boogie Preprocessor took 74.35ms. Allocated memory is still 272.6MB. Free memory was 205.1MB in the beginning and 200.4MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 16:04:33,284 INFO L158 Benchmark]: RCFGBuilder took 781.44ms. Allocated memory is still 272.6MB. Free memory was 200.4MB in the beginning and 210.4MB in the end (delta: -10.0MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2023-12-16 16:04:33,284 INFO L158 Benchmark]: TraceAbstraction took 76482.65ms. Allocated memory was 272.6MB in the beginning and 601.9MB in the end (delta: 329.3MB). Free memory was 209.8MB in the beginning and 551.9MB in the end (delta: -342.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 16:04:33,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory was 165.7MB in the beginning and 165.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.94ms. Allocated memory is still 272.6MB. Free memory was 225.1MB in the beginning and 208.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.07ms. Allocated memory is still 272.6MB. Free memory was 208.8MB in the beginning and 205.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.35ms. Allocated memory is still 272.6MB. Free memory was 205.1MB in the beginning and 200.4MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 781.44ms. Allocated memory is still 272.6MB. Free memory was 200.4MB in the beginning and 210.4MB in the end (delta: -10.0MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. * TraceAbstraction took 76482.65ms. Allocated memory was 272.6MB in the beginning and 601.9MB in the end (delta: 329.3MB). Free memory was 209.8MB in the beginning and 551.9MB in the end (delta: -342.1MB). There was no memory consumed. 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 118 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.4s, OverallIterations: 5, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 377 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 376 mSDsluCounter, 1940 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1485 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1201 IncrementalHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 455 mSDtfsCounter, 1201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 658 GetRequests, 598 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=4, InterpolantAutomatonStates: 48, 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, 4 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 580 ConstructedInterpolants, 127 QuantifiedInterpolants, 6929 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1355 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 1538/1820 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown