/usr/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_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 01:25:31,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 01:25:31,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 01:25:31,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 01:25:31,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 01:25:31,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 01:25:31,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 01:25:31,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 01:25:31,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 01:25:31,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 01:25:31,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 01:25:31,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 01:25:31,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 01:25:31,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 01:25:31,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 01:25:31,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 01:25:31,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 01:25:31,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 01:25:31,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 01:25:31,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 01:25:31,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 01:25:31,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 01:25:31,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 01:25:31,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 01:25:31,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 01:25:31,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 01:25:31,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 01:25:31,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 01:25:31,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 01:25:31,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 01:25:31,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 01:25:31,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 01:25:31,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 01:25:31,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 01:25:31,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 01:25:31,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 01:25:31,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 01:25:31,596 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 01:25:31,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 01:25:31,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 01:25:31,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 01:25:31,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 01:25:31,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 01:25:31,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 01:25:31,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 01:25:31,598 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 01:25:31,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 01:25:31,598 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 01:25:31,599 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 01:25:31,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 01:25:31,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 01:25:31,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 01:25:31,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 01:25:31,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 01:25:31,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 01:25:31,604 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 01:25:31,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 01:25:31,605 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 01:25:31,605 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 01:25:31,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 01:25:31,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 01:25:31,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 01:25:31,877 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 01:25:31,887 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 01:25:31,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c [2023-04-02 01:25:32,902 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 01:25:33,064 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 01:25:33,064 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c [2023-04-02 01:25:33,070 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9f72380/9ad82d980a8a40d5a1e4c0ed54d453c4/FLAGf5e507173 [2023-04-02 01:25:33,079 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9f72380/9ad82d980a8a40d5a1e4c0ed54d453c4 [2023-04-02 01:25:33,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 01:25:33,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 01:25:33,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 01:25:33,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 01:25:33,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 01:25:33,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3078683a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33, skipping insertion in model container [2023-04-02 01:25:33,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 01:25:33,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 01:25:33,184 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c[790,803] [2023-04-02 01:25:33,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 01:25:33,197 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 01:25:33,205 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c[790,803] [2023-04-02 01:25:33,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 01:25:33,214 INFO L208 MainTranslator]: Completed translation [2023-04-02 01:25:33,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33 WrapperNode [2023-04-02 01:25:33,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 01:25:33,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 01:25:33,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 01:25:33,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 01:25:33,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 01:25:33,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 01:25:33,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 01:25:33,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 01:25:33,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (1/1) ... [2023-04-02 01:25:33,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 01:25:33,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 01:25:33,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 01:25:33,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 01:25:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 01:25:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 01:25:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 01:25:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-02 01:25:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 01:25:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 01:25:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulonglong [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 01:25:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 01:25:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 01:25:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 01:25:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 01:25:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 01:25:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 01:25:33,341 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 01:25:33,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 01:25:33,441 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 01:25:33,449 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 01:25:33,449 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 01:25:33,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 01:25:33 BoogieIcfgContainer [2023-04-02 01:25:33,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 01:25:33,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 01:25:33,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 01:25:33,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 01:25:33,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 01:25:33" (1/3) ... [2023-04-02 01:25:33,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ef5025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 01:25:33, skipping insertion in model container [2023-04-02 01:25:33,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 01:25:33" (2/3) ... [2023-04-02 01:25:33,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ef5025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 01:25:33, skipping insertion in model container [2023-04-02 01:25:33,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 01:25:33" (3/3) ... [2023-04-02 01:25:33,471 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_2-1_abstracted.c [2023-04-02 01:25:33,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 01:25:33,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 01:25:33,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 01:25:33,543 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=LoopsAndPotentialCycles, 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;@2dd61be5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 01:25:33,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 01:25:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-02 01:25:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-04-02 01:25:33,554 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 01:25:33,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 01:25:33,554 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 01:25:33,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 01:25:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1548785659, now seen corresponding path program 1 times [2023-04-02 01:25:33,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 01:25:33,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982913122] [2023-04-02 01:25:33,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 01:25:33,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 01:25:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 01:25:33,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 01:25:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 01:25:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 01:25:33,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 01:25:33,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982913122] [2023-04-02 01:25:33,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982913122] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 01:25:33,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 01:25:33,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 01:25:33,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116438246] [2023-04-02 01:25:33,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 01:25:33,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 01:25:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 01:25:33,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 01:25:33,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 01:25:33,746 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 01:25:33,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 01:25:33,785 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2023-04-02 01:25:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 01:25:33,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-04-02 01:25:33,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 01:25:33,791 INFO L225 Difference]: With dead ends: 30 [2023-04-02 01:25:33,791 INFO L226 Difference]: Without dead ends: 13 [2023-04-02 01:25:33,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 01:25:33,795 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 01:25:33,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 01:25:33,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-04-02 01:25:33,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-04-02 01:25:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 01:25:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-04-02 01:25:33,841 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 12 [2023-04-02 01:25:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 01:25:33,843 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-04-02 01:25:33,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 01:25:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-04-02 01:25:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-04-02 01:25:33,844 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 01:25:33,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 01:25:33,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 01:25:33,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 01:25:33,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 01:25:33,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1550632701, now seen corresponding path program 1 times [2023-04-02 01:25:33,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 01:25:33,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745665062] [2023-04-02 01:25:33,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 01:25:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 01:25:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 01:25:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 01:25:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 01:25:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 01:25:33,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 01:25:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745665062] [2023-04-02 01:25:33,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745665062] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 01:25:33,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 01:25:33,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 01:25:33,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462457613] [2023-04-02 01:25:33,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 01:25:33,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 01:25:33,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 01:25:33,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 01:25:33,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 01:25:33,976 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 01:25:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 01:25:34,021 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-04-02 01:25:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 01:25:34,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-04-02 01:25:34,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 01:25:34,021 INFO L225 Difference]: With dead ends: 14 [2023-04-02 01:25:34,022 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 01:25:34,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-04-02 01:25:34,023 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 01:25:34,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 22 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 01:25:34,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 01:25:34,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 01:25:34,024 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) [2023-04-02 01:25:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 01:25:34,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-04-02 01:25:34,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 01:25:34,024 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 01:25:34,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 01:25:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 01:25:34,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 01:25:34,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 01:25:34,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 01:25:34,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 01:25:34,042 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2023-04-02 01:25:34,043 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 13) no Hoare annotation was computed. [2023-04-02 01:25:34,043 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 13) no Hoare annotation was computed. [2023-04-02 01:25:34,043 INFO L895 garLoopResultBuilder]: At program point L30-1(line 30) the Hoare annotation is: (< (+ (* 4294967296 (div main_~x~0 4294967296)) 268435454) main_~x~0) [2023-04-02 01:25:34,043 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 29) no Hoare annotation was computed. [2023-04-02 01:25:34,043 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 23 34) no Hoare annotation was computed. [2023-04-02 01:25:34,043 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 23 34) no Hoare annotation was computed. [2023-04-02 01:25:34,044 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 23 34) no Hoare annotation was computed. [2023-04-02 01:25:34,044 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 23 34) the Hoare annotation is: true [2023-04-02 01:25:34,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 01:25:34,044 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 01:25:34,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 01:25:34,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 01:25:34,044 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-02 01:25:34,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 01:25:34,044 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 01:25:34,045 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 19) no Hoare annotation was computed. [2023-04-02 01:25:34,045 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 16 21) no Hoare annotation was computed. [2023-04-02 01:25:34,045 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 16 21) no Hoare annotation was computed. [2023-04-02 01:25:34,045 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 21) the Hoare annotation is: true [2023-04-02 01:25:34,045 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2023-04-02 01:25:34,045 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2023-04-02 01:25:34,048 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-04-02 01:25:34,049 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 01:25:34,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 01:25:34 BoogieIcfgContainer [2023-04-02 01:25:34,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 01:25:34,053 INFO L158 Benchmark]: Toolchain (without parser) took 970.61ms. Allocated memory was 222.3MB in the beginning and 396.4MB in the end (delta: 174.1MB). Free memory was 173.4MB in the beginning and 348.5MB in the end (delta: -175.1MB). Peak memory consumption was 215.3kB. Max. memory is 8.0GB. [2023-04-02 01:25:34,053 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 222.3MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 01:25:34,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 132.20ms. Allocated memory is still 222.3MB. Free memory was 173.1MB in the beginning and 162.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-04-02 01:25:34,054 INFO L158 Benchmark]: Boogie Preprocessor took 17.93ms. Allocated memory is still 222.3MB. Free memory was 162.9MB in the beginning and 161.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-04-02 01:25:34,054 INFO L158 Benchmark]: RCFGBuilder took 216.52ms. Allocated memory is still 222.3MB. Free memory was 161.6MB in the beginning and 151.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-04-02 01:25:34,054 INFO L158 Benchmark]: TraceAbstraction took 586.05ms. Allocated memory was 222.3MB in the beginning and 396.4MB in the end (delta: 174.1MB). Free memory was 151.1MB in the beginning and 348.5MB in the end (delta: -197.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 01:25:34,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 222.3MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 132.20ms. Allocated memory is still 222.3MB. Free memory was 173.1MB in the beginning and 162.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.93ms. Allocated memory is still 222.3MB. Free memory was 162.9MB in the beginning and 161.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 216.52ms. Allocated memory is still 222.3MB. Free memory was 161.6MB in the beginning and 151.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 586.05ms. Allocated memory was 222.3MB in the beginning and 396.4MB in the end (delta: 174.1MB). Free memory was 151.1MB in the beginning and 348.5MB in the end (delta: -197.4MB). 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 12 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 20 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be correct! [2023-04-02 01:25:34,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...