/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/ldv-regression/sizeofparameters_test.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:52:36,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:52:36,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:52:36,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:52:36,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:52:36,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:52:36,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:52:36,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:52:36,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:52:36,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:52:36,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:52:36,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:52:36,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:52:36,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:52:36,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:52:36,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:52:36,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:52:36,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:52:36,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:52:36,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:52:36,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:52:36,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:52:36,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:52:36,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:52:36,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 10:52:36,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:52:36,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:52:36,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:52:36,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:52:36,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:52:36,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:52:36,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:52:36,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:52:36,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:52:36,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:52:36,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:52:36,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 10:52:36,931 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:52:36,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:52:36,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:52:36,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:52:36,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:52:36,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:52:36,932 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:52:36,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:52:36,932 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:52:36,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:52:36,933 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:52:36,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:52:36,933 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:52:36,933 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:52:36,934 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:52:36,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:52:36,934 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:52:36,934 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:52:36,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:52:36,934 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:52:36,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:52:36,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:52:36,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:52:36,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:52:36,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:52:36,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:52:36,936 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:52:36,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:52:36,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:52:36,936 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:52:36,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:52:36,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:52:36,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:52:36,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:52:37,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:52:37,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:52:37,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:52:37,153 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:52:37,154 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:52:37,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/sizeofparameters_test.c [2023-04-01 10:52:38,361 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:52:38,518 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:52:38,518 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/sizeofparameters_test.c [2023-04-01 10:52:38,522 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59181dea9/5379cd831b8c4041b9627fdb8f45ba20/FLAG9c97154ab [2023-04-01 10:52:38,534 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59181dea9/5379cd831b8c4041b9627fdb8f45ba20 [2023-04-01 10:52:38,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:52:38,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:52:38,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:52:38,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:52:38,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:52:38,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94a1393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38, skipping insertion in model container [2023-04-01 10:52:38,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:52:38,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:52:38,664 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/ldv-regression/sizeofparameters_test.c[344,357] [2023-04-01 10:52:38,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:52:38,684 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:52:38,693 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/ldv-regression/sizeofparameters_test.c[344,357] [2023-04-01 10:52:38,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:52:38,705 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:52:38,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38 WrapperNode [2023-04-01 10:52:38,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:52:38,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:52:38,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:52:38,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:52:38,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:52:38,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:52:38,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:52:38,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:52:38,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (1/1) ... [2023-04-01 10:52:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:52:38,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:52:38,752 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) [2023-04-01 10:52:38,770 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 [2023-04-01 10:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2023-04-01 10:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:52:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:52:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:52:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:52:38,832 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:52:38,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:52:38,960 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:52:38,969 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:52:38,969 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 10:52:38,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:52:38 BoogieIcfgContainer [2023-04-01 10:52:38,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:52:38,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:52:38,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:52:38,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:52:38,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:52:38" (1/3) ... [2023-04-01 10:52:38,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168dacf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:52:38, skipping insertion in model container [2023-04-01 10:52:38,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:52:38" (2/3) ... [2023-04-01 10:52:38,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168dacf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:52:38, skipping insertion in model container [2023-04-01 10:52:38,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:52:38" (3/3) ... [2023-04-01 10:52:38,998 INFO L112 eAbstractionObserver]: Analyzing ICFG sizeofparameters_test.c [2023-04-01 10:52:39,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:52:39,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:52:39,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:52:39,044 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=FINITE_AUTOMATA, 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;@5922b9e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:52:39,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:52:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-04-01 10:52:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-04-01 10:52:39,052 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:52:39,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:52:39,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:52:39,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:52:39,056 INFO L85 PathProgramCache]: Analyzing trace with hash -378488564, now seen corresponding path program 1 times [2023-04-01 10:52:39,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:52:39,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362229753] [2023-04-01 10:52:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:52:39,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:52:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:52:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:52:39,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:52:39,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362229753] [2023-04-01 10:52:39,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362229753] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:52:39,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:52:39,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 10:52:39,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145698375] [2023-04-01 10:52:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:52:39,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 10:52:39,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:52:39,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 10:52:39,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 10:52:39,449 INFO L87 Difference]: Start difference. First operand has 18 states, 8 states have (on average 1.25) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:52:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:52:39,477 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2023-04-01 10:52:39,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 10:52:39,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-04-01 10:52:39,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:52:39,485 INFO L225 Difference]: With dead ends: 24 [2023-04-01 10:52:39,485 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 10:52:39,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 10:52:39,492 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:52:39,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 10:52:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 10:52:39,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 10:52:39,508 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) [2023-04-01 10:52:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 10:52:39,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-04-01 10:52:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:52:39,510 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 10:52:39,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:52:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 10:52:39,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 10:52:39,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 10:52:39,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 10:52:39,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 10:52:39,568 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 10:52:39,568 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 10:52:39,569 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 23 25) the Hoare annotation is: true [2023-04-01 10:52:39,569 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-04-01 10:52:39,569 INFO L899 garLoopResultBuilder]: For program point fooEXIT(lines 23 25) no Hoare annotation was computed. [2023-04-01 10:52:39,569 INFO L895 garLoopResultBuilder]: At program point L24-2(line 24) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ~globalSize~0 4294967296)))) (or (< 4 ~globalSize~0) (<= ~globalSize~0 (+ .cse0 3)) (< (+ .cse0 4) ~globalSize~0))) [2023-04-01 10:52:39,569 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 23 25) no Hoare annotation was computed. [2023-04-01 10:52:39,569 INFO L899 garLoopResultBuilder]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2023-04-01 10:52:39,569 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 6 9) the Hoare annotation is: true [2023-04-01 10:52:39,570 INFO L899 garLoopResultBuilder]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2023-04-01 10:52:39,570 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2023-04-01 10:52:39,570 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 15 21) no Hoare annotation was computed. [2023-04-01 10:52:39,570 INFO L895 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ~globalSize~0 4294967296)))) (and (<= ~globalSize~0 (+ .cse0 4)) (< (+ .cse0 3) ~globalSize~0) (<= ~globalSize~0 4))) [2023-04-01 10:52:39,570 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-04-01 10:52:39,570 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 10:52:39,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 10:52:39,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 10:52:39,570 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 10:52:39,571 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 10:52:39,571 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 10:52:39,573 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 10:52:39,577 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 10:52:39,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:52:39 BoogieIcfgContainer [2023-04-01 10:52:39,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 10:52:39,581 INFO L158 Benchmark]: Toolchain (without parser) took 1043.27ms. Allocated memory is still 331.4MB. Free memory was 285.6MB in the beginning and 292.4MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 10:52:39,581 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 154.6MB in the beginning and 154.5MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 10:52:39,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.14ms. Allocated memory is still 331.4MB. Free memory was 285.6MB in the beginning and 275.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-04-01 10:52:39,582 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 331.4MB. Free memory was 275.8MB in the beginning and 274.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-04-01 10:52:39,582 INFO L158 Benchmark]: RCFGBuilder took 241.14ms. Allocated memory is still 331.4MB. Free memory was 274.4MB in the beginning and 263.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-04-01 10:52:39,583 INFO L158 Benchmark]: TraceAbstraction took 587.17ms. Allocated memory is still 331.4MB. Free memory was 263.2MB in the beginning and 292.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 10:52:39,584 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 202.4MB. Free memory was 154.6MB in the beginning and 154.5MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 165.14ms. Allocated memory is still 331.4MB. Free memory was 285.6MB in the beginning and 275.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 331.4MB. Free memory was 275.8MB in the beginning and 274.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 241.14ms. Allocated memory is still 331.4MB. Free memory was 274.4MB in the beginning and 263.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 587.17ms. Allocated memory is still 331.4MB. Free memory was 263.2MB in the beginning and 292.4MB in the end (delta: -29.2MB). 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: 8]: 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 6 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 50 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2023-04-01 10:52:39,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...