./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/test-easy7.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-easy7.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 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 --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 15:57:44,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 15:57:44,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 15:57:44,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 15:57:44,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 15:57:44,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 15:57:44,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 15:57:44,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 15:57:44,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 15:57:44,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 15:57:44,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 15:57:44,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 15:57:44,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 15:57:44,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 15:57:44,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 15:57:44,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 15:57:44,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 15:57:44,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 15:57:44,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 15:57:44,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 15:57:44,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 15:57:44,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 15:57:44,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 15:57:44,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 15:57:44,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 15:57:44,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 15:57:44,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 15:57:44,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 15:57:44,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 15:57:44,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 15:57:44,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 15:57:44,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 15:57:44,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 15:57:44,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 15:57:44,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 15:57:44,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 15:57:44,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 15:57:44,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 15:57:44,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 15:57:44,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 15:57:44,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 15:57:44,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 15:57:44,831 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 15:57:44,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 15:57:44,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 15:57:44,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 15:57:44,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 15:57:44,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 15:57:44,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 15:57:44,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 15:57:44,835 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 15:57:44,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 15:57:44,836 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 15:57:44,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 15:57:44,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 15:57:44,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 15:57:44,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 15:57:44,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 15:57:44,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 15:57:44,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 15:57:44,837 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 15:57:44,837 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 15:57:44,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 15:57:44,838 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 15:57:44,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 15:57:44,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 15:57:44,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 15:57:44,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 15:57:44,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 15:57:44,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 15:57:44,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 15:57:44,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 15:57:44,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 15:57:44,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 15:57:44,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 15:57:44,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 15:57:44,840 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 15:57:44,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 15:57:44,841 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 15:57:44,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89875838ba00841ab95f284d6aeb82a1a762d2b06c5f173202307480dc57b4e4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 15:57:45,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 15:57:45,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 15:57:45,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 15:57:45,174 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 15:57:45,174 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 15:57:45,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c [2023-08-30 15:57:46,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 15:57:46,491 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 15:57:46,491 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c [2023-08-30 15:57:46,496 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785dd0f89/fb92f16a2d2e4285a47f77f44bcb4a49/FLAG039cec25f [2023-08-30 15:57:46,507 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785dd0f89/fb92f16a2d2e4285a47f77f44bcb4a49 [2023-08-30 15:57:46,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 15:57:46,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 15:57:46,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 15:57:46,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 15:57:46,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 15:57:46,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc24be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46, skipping insertion in model container [2023-08-30 15:57:46,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 15:57:46,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 15:57:46,720 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-easy7.wvr.c[1872,1885] [2023-08-30 15:57:46,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:57:46,732 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 15:57:46,754 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-easy7.wvr.c[1872,1885] [2023-08-30 15:57:46,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:57:46,773 INFO L208 MainTranslator]: Completed translation [2023-08-30 15:57:46,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46 WrapperNode [2023-08-30 15:57:46,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 15:57:46,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 15:57:46,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 15:57:46,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 15:57:46,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,811 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-08-30 15:57:46,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 15:57:46,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 15:57:46,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 15:57:46,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 15:57:46,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 15:57:46,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 15:57:46,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 15:57:46,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 15:57:46,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (1/1) ... [2023-08-30 15:57:46,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 15:57:46,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:57:46,890 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 15:57:46,916 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 15:57:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 15:57:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 15:57:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 15:57:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 15:57:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 15:57:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 15:57:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 15:57:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 15:57:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 15:57:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 15:57:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 15:57:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 15:57:46,936 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 15:57:47,035 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 15:57:47,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 15:57:47,254 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 15:57:47,265 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 15:57:47,265 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 15:57:47,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:57:47 BoogieIcfgContainer [2023-08-30 15:57:47,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 15:57:47,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 15:57:47,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 15:57:47,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 15:57:47,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 03:57:46" (1/3) ... [2023-08-30 15:57:47,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de4f248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:57:47, skipping insertion in model container [2023-08-30 15:57:47,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:57:46" (2/3) ... [2023-08-30 15:57:47,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de4f248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:57:47, skipping insertion in model container [2023-08-30 15:57:47,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:57:47" (3/3) ... [2023-08-30 15:57:47,275 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2023-08-30 15:57:47,283 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 15:57:47,291 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 15:57:47,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 15:57:47,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de4f248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 03:57:47, skipping insertion in model container [2023-08-30 15:57:47,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 15:57:47,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 15:57:47,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 15:57:47,295 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 15:57:47,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:57:47" (3/3) ... [2023-08-30 15:57:47,298 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 15:57:47,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-30 15:57:47,304 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-30 15:57:47,309 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-08-30 15:57:47,309 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 15:57:47,310 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 15:57:47,310 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 15:57:47,350 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 15:57:47,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 15:57:47,352 INFO L158 Benchmark]: Toolchain (without parser) took 841.38ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 55.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,352 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 15:57:47,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.56ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 50.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 49.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,354 INFO L158 Benchmark]: Boogie Preprocessor took 41.91ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 48.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,355 INFO L158 Benchmark]: RCFGBuilder took 412.59ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 61.0MB in the end (delta: -13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,359 INFO L158 Benchmark]: TraceAbstraction took 24.46ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 58.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,360 INFO L158 Benchmark]: Witness Printer took 56.17ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 55.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 15:57:47,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.56ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 50.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 49.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.91ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 48.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.59ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 61.0MB in the end (delta: -13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 24.46ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 58.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 56.17ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 55.5MB in the end (delta: 2.8MB). 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 15:57:47,375 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