/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 03:28:10,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 03:28:10,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 03:28:10,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 03:28:10,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 03:28:10,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 03:28:10,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 03:28:10,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 03:28:10,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 03:28:10,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 03:28:10,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 03:28:10,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 03:28:10,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 03:28:10,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 03:28:10,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 03:28:10,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 03:28:10,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 03:28:10,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 03:28:10,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 03:28:10,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 03:28:10,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 03:28:10,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 03:28:10,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 03:28:10,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 03:28:10,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 03:28:10,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 03:28:10,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 03:28:10,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 03:28:10,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 03:28:10,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 03:28:10,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 03:28:10,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 03:28:10,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 03:28:10,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 03:28:10,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 03:28:10,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 03:28:10,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-28 03:28:10,962 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 03:28:10,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 03:28:10,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 03:28:10,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 03:28:10,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 03:28:10,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 03:28:10,964 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 03:28:10,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 03:28:10,964 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 03:28:10,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 03:28:10,965 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 03:28:10,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 03:28:10,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 03:28:10,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 03:28:10,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 03:28:10,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 03:28:10,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 03:28:10,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 03:28:10,967 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 03:28:11,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 03:28:11,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 03:28:11,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 03:28:11,202 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 03:28:11,205 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 03:28:11,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-01-28 03:28:12,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 03:28:12,391 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 03:28:12,391 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-01-28 03:28:12,395 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02fd895c/2d8fa12b75284b0099d41ed56f31c4fc/FLAG3d1c99ad2 [2023-01-28 03:28:12,404 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02fd895c/2d8fa12b75284b0099d41ed56f31c4fc [2023-01-28 03:28:12,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 03:28:12,406 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 03:28:12,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 03:28:12,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 03:28:12,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 03:28:12,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22456c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12, skipping insertion in model container [2023-01-28 03:28:12,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 03:28:12,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 03:28:12,516 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2023-01-28 03:28:12,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 03:28:12,525 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 03:28:12,541 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2023-01-28 03:28:12,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 03:28:12,546 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 03:28:12,546 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 03:28:12,550 INFO L208 MainTranslator]: Completed translation [2023-01-28 03:28:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12 WrapperNode [2023-01-28 03:28:12,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 03:28:12,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 03:28:12,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 03:28:12,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 03:28:12,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,574 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2023-01-28 03:28:12,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 03:28:12,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 03:28:12,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 03:28:12,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 03:28:12,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 03:28:12,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 03:28:12,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 03:28:12,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 03:28:12,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (1/1) ... [2023-01-28 03:28:12,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 03:28:12,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 03:28:12,619 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) [2023-01-28 03:28:12,629 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 [2023-01-28 03:28:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 03:28:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 03:28:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 03:28:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 03:28:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 03:28:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 03:28:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 03:28:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 03:28:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 03:28:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 03:28:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 03:28:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 03:28:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 03:28:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 03:28:12,655 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 03:28:12,740 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 03:28:12,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 03:28:12,932 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 03:28:12,990 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 03:28:12,990 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-01-28 03:28:12,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 03:28:12 BoogieIcfgContainer [2023-01-28 03:28:12,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 03:28:12,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 03:28:12,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 03:28:12,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 03:28:12,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 03:28:12" (1/3) ... [2023-01-28 03:28:12,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53338a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 03:28:12, skipping insertion in model container [2023-01-28 03:28:12,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 03:28:12" (2/3) ... [2023-01-28 03:28:12,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53338a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 03:28:12, skipping insertion in model container [2023-01-28 03:28:12,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 03:28:12" (3/3) ... [2023-01-28 03:28:12,996 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2023-01-28 03:28:13,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 03:28:13,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 03:28:13,007 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 03:28:13,067 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-28 03:28:13,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 91 transitions, 198 flow [2023-01-28 03:28:13,148 INFO L130 PetriNetUnfolder]: 7/89 cut-off events. [2023-01-28 03:28:13,148 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 03:28:13,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 89 events. 7/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-01-28 03:28:13,152 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 91 transitions, 198 flow [2023-01-28 03:28:13,155 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 81 transitions, 174 flow [2023-01-28 03:28:13,158 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 03:28:13,165 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 81 transitions, 174 flow [2023-01-28 03:28:13,168 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 81 transitions, 174 flow [2023-01-28 03:28:13,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 81 transitions, 174 flow [2023-01-28 03:28:13,186 INFO L130 PetriNetUnfolder]: 7/81 cut-off events. [2023-01-28 03:28:13,187 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 03:28:13,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 81 events. 7/81 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-01-28 03:28:13,188 INFO L119 LiptonReduction]: Number of co-enabled transitions 252 [2023-01-28 03:28:15,404 INFO L134 LiptonReduction]: Checked pairs total: 309 [2023-01-28 03:28:15,405 INFO L136 LiptonReduction]: Total number of compositions: 81 [2023-01-28 03:28:15,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 03:28:15,418 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=false, 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;@43209df0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 03:28:15,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-01-28 03:28:15,421 INFO L130 PetriNetUnfolder]: 2/12 cut-off events. [2023-01-28 03:28:15,421 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 03:28:15,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 03:28:15,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 03:28:15,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 03:28:15,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 03:28:15,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1332774993, now seen corresponding path program 1 times [2023-01-28 03:28:15,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 03:28:15,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254436609] [2023-01-28 03:28:15,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 03:28:15,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 03:28:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 03:28:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 03:28:15,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 03:28:15,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254436609] [2023-01-28 03:28:15,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254436609] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 03:28:15,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 03:28:15,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-01-28 03:28:15,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120747317] [2023-01-28 03:28:15,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 03:28:15,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 03:28:15,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 03:28:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 03:28:15,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 03:28:15,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 172 [2023-01-28 03:28:15,736 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 13 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2023-01-28 03:28:15,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 03:28:15,736 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 172 [2023-01-28 03:28:15,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 03:28:15,764 INFO L130 PetriNetUnfolder]: 21/39 cut-off events. [2023-01-28 03:28:15,764 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-01-28 03:28:15,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 39 events. 21/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 9 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 60. Up to 39 conditions per place. [2023-01-28 03:28:15,765 INFO L137 encePairwiseOnDemand]: 170/172 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-01-28 03:28:15,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 12 transitions, 60 flow [2023-01-28 03:28:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 03:28:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 03:28:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2023-01-28 03:28:15,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46124031007751937 [2023-01-28 03:28:15,777 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions. [2023-01-28 03:28:15,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions. [2023-01-28 03:28:15,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 03:28:15,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions. [2023-01-28 03:28:15,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2023-01-28 03:28:15,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2023-01-28 03:28:15,790 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2023-01-28 03:28:15,791 INFO L175 Difference]: Start difference. First operand has 18 places, 13 transitions, 38 flow. Second operand 3 states and 238 transitions. [2023-01-28 03:28:15,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 12 transitions, 60 flow [2023-01-28 03:28:15,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-01-28 03:28:15,793 INFO L231 Difference]: Finished difference. Result has 15 places, 0 transitions, 0 flow [2023-01-28 03:28:15,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=15, PETRI_TRANSITIONS=0} [2023-01-28 03:28:15,796 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -3 predicate places. [2023-01-28 03:28:15,796 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 0 transitions, 0 flow [2023-01-28 03:28:15,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2023-01-28 03:28:15,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-01-28 03:28:15,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-01-28 03:28:15,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-01-28 03:28:15,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 03:28:15,800 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-28 03:28:15,806 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 03:28:15,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 03:28:15,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 03:28:15 BasicIcfg [2023-01-28 03:28:15,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 03:28:15,813 INFO L158 Benchmark]: Toolchain (without parser) took 3407.19ms. Allocated memory was 381.7MB in the beginning and 595.6MB in the end (delta: 213.9MB). Free memory was 332.2MB in the beginning and 488.4MB in the end (delta: -156.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.0GB. [2023-01-28 03:28:15,814 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 381.7MB. Free memory was 329.8MB in the beginning and 329.6MB in the end (delta: 237.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 03:28:15,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.91ms. Allocated memory is still 381.7MB. Free memory was 332.2MB in the beginning and 321.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 03:28:15,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.20ms. Allocated memory is still 381.7MB. Free memory was 321.2MB in the beginning and 319.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 03:28:15,816 INFO L158 Benchmark]: Boogie Preprocessor took 14.47ms. Allocated memory is still 381.7MB. Free memory was 319.6MB in the beginning and 318.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 03:28:15,819 INFO L158 Benchmark]: RCFGBuilder took 401.71ms. Allocated memory is still 381.7MB. Free memory was 318.1MB in the beginning and 300.7MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-28 03:28:15,819 INFO L158 Benchmark]: TraceAbstraction took 2820.19ms. Allocated memory was 381.7MB in the beginning and 595.6MB in the end (delta: 213.9MB). Free memory was 300.3MB in the beginning and 488.4MB in the end (delta: -188.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.0GB. [2023-01-28 03:28:15,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 381.7MB. Free memory was 329.8MB in the beginning and 329.6MB in the end (delta: 237.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 143.91ms. Allocated memory is still 381.7MB. Free memory was 332.2MB in the beginning and 321.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.20ms. Allocated memory is still 381.7MB. Free memory was 321.2MB in the beginning and 319.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 14.47ms. Allocated memory is still 381.7MB. Free memory was 319.6MB in the beginning and 318.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 401.71ms. Allocated memory is still 381.7MB. Free memory was 318.1MB in the beginning and 300.7MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2820.19ms. Allocated memory was 381.7MB in the beginning and 595.6MB in the end (delta: 213.9MB). Free memory was 300.3MB in the beginning and 488.4MB in the end (delta: -188.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 81 PlacesBefore, 18 PlacesAfterwards, 81 TransitionsBefore, 13 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 7 FixpointIterations, 52 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 4 ConcurrentYvCompositions, 5 ChoiceCompositions, 81 TotalNumberOfCompositions, 309 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 309, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 132, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 309, independent: 177, independent conditional: 0, independent unconditional: 177, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 132, unknown conditional: 0, unknown unconditional: 132] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 84]: 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 with 1 thread instances CFG has 5 procedures, 97 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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! [2023-01-28 03:28:15,839 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...