./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 15:57:49,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 15:57:49,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 15:57:49,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 15:57:49,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 15:57:49,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 15:57:49,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 15:57:49,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 15:57:49,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 15:57:49,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 15:57:49,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 15:57:49,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 15:57:49,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 15:57:49,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 15:57:49,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 15:57:49,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 15:57:49,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 15:57:49,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 15:57:49,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 15:57:49,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 15:57:49,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 15:57:49,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 15:57:49,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 15:57:49,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 15:57:49,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 15:57:49,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 15:57:49,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 15:57:49,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 15:57:49,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 15:57:49,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 15:57:49,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 15:57:49,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 15:57:49,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 15:57:49,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 15:57:49,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 15:57:49,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 15:57:49,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 15:57:49,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 15:57:49,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 15:57:49,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 15:57:49,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 15:57:49,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 15:57:49,651 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 15:57:49,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 15:57:49,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 15:57:49,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 15:57:49,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 15:57:49,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 15:57:49,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 15:57:49,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 15:57:49,655 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 15:57:49,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 15:57:49,656 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 15:57:49,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 15:57:49,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 15:57:49,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 15:57:49,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 15:57:49,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 15:57:49,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 15:57:49,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 15:57:49,657 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 15:57:49,657 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 15:57:49,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 15:57:49,658 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 15:57:49,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 15:57:49,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 15:57:49,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 15:57:49,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 15:57:49,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 15:57:49,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 15:57:49,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 15:57:49,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 15:57:49,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 15:57:49,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 15:57:49,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 15:57:49,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 15:57:49,660 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 15:57:49,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 15:57:49,661 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 15:57:49,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47144ed0d9aa05bca24cc8eb2abad54106f6919871c7945daa183bed78f0ad25 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 15:57:49,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 15:57:50,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 15:57:50,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 15:57:50,013 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 15:57:50,013 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 15:57:50,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-08-30 15:57:51,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 15:57:51,435 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 15:57:51,436 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-08-30 15:57:51,442 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efaaa6e58/fe427c7bc89342038b65e153c823995f/FLAG5d054d4b8 [2023-08-30 15:57:51,455 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efaaa6e58/fe427c7bc89342038b65e153c823995f [2023-08-30 15:57:51,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 15:57:51,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 15:57:51,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 15:57:51,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 15:57:51,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 15:57:51,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9bcd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51, skipping insertion in model container [2023-08-30 15:57:51,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 15:57:51,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 15:57:51,633 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/test-easy8.wvr.c[1981,1994] [2023-08-30 15:57:51,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:57:51,645 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 15:57:51,666 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/test-easy8.wvr.c[1981,1994] [2023-08-30 15:57:51,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:57:51,683 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 15:57:51,683 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 15:57:51,689 INFO L208 MainTranslator]: Completed translation [2023-08-30 15:57:51,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51 WrapperNode [2023-08-30 15:57:51,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 15:57:51,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 15:57:51,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 15:57:51,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 15:57:51,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,727 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-08-30 15:57:51,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 15:57:51,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 15:57:51,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 15:57:51,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 15:57:51,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 15:57:51,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 15:57:51,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 15:57:51,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 15:57:51,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (1/1) ... [2023-08-30 15:57:51,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 15:57:51,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:57:51,801 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) [2023-08-30 15:57:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 15:57:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 15:57:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 15:57:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 15:57:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 15:57:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 15:57:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 15:57:51,893 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 15:57:51,833 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 [2023-08-30 15:57:51,982 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 15:57:51,983 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 15:57:52,144 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 15:57:52,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 15:57:52,180 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 15:57:52,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:57:52 BoogieIcfgContainer [2023-08-30 15:57:52,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 15:57:52,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 15:57:52,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 15:57:52,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 15:57:52,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 03:57:51" (1/3) ... [2023-08-30 15:57:52,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d42280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:57:52, skipping insertion in model container [2023-08-30 15:57:52,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:51" (2/3) ... [2023-08-30 15:57:52,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d42280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:57:52, skipping insertion in model container [2023-08-30 15:57:52,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:57:52" (3/3) ... [2023-08-30 15:57:52,189 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2023-08-30 15:57:52,201 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 15:57:52,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 15:57:52,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 15:57:52,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d42280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 03:57:52, skipping insertion in model container [2023-08-30 15:57:52,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 15:57:52,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 15:57:52,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 15:57:52,223 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 15:57:52,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:57:52" (3/3) ... [2023-08-30 15:57:52,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 15:57:52,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-30 15:57:52,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-30 15:57:52,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-08-30 15:57:52,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 15:57:52,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 15:57:52,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 15:57:52,267 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 15:57:52,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 15:57:52,269 INFO L158 Benchmark]: Toolchain (without parser) took 810.23ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 39.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:52,269 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 15:57:52,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.31ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 40.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 15:57:52,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.63ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 39.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 15:57:52,271 INFO L158 Benchmark]: Boogie Preprocessor took 40.17ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 38.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:52,271 INFO L158 Benchmark]: RCFGBuilder took 412.23ms. Allocated memory is still 73.4MB. Free memory was 37.8MB in the beginning and 44.6MB in the end (delta: -6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 15:57:52,271 INFO L158 Benchmark]: TraceAbstraction took 38.70ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:52,272 INFO L158 Benchmark]: Witness Printer took 45.00ms. Allocated memory is still 73.4MB. Free memory was 41.9MB in the beginning and 39.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:52,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.31ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 40.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.63ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 39.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.17ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 38.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.23ms. Allocated memory is still 73.4MB. Free memory was 37.8MB in the beginning and 44.6MB in the end (delta: -6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 38.70ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 45.00ms. Allocated memory is still 73.4MB. Free memory was 41.9MB in the beginning and 39.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-08-30 15:57:52,291 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE