./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/pthread-ext/28_buggy_simple_loop1_vf.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:20:15,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:15,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:15,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:15,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:15,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:15,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:15,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:15,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:15,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:15,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:15,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:15,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:15,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:15,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:15,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:15,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:15,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:15,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:15,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:15,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:15,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:15,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:15,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:15,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:15,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:15,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:15,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:15,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:15,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:15,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:15,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:15,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:15,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:15,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:15,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:15,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:15,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:15,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:15,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:15,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:15,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:20:15,769 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:15,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:15,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:15,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:15,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:15,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:15,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:15,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:15,772 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:15,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:15,773 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:15,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:20:15,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:15,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:15,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:15,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:15,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:15,775 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:15,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:15,775 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:15,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:15,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:15,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:15,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:15,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:15,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:15,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:15,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:15,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:20:15,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:20:15,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:15,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:15,778 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:15,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:15,779 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:15,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:16,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:16,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:16,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:16,127 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:16,127 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:16,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2023-08-30 22:20:17,335 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:17,610 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:17,610 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2023-08-30 22:20:17,622 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5891faeab/b44aecea39204cb594921959bdf11aec/FLAG703b92d06 [2023-08-30 22:20:17,632 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5891faeab/b44aecea39204cb594921959bdf11aec [2023-08-30 22:20:17,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:17,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:17,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:17,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:17,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:17,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:17" (1/1) ... [2023-08-30 22:20:17,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1265b8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:17, skipping insertion in model container [2023-08-30 22:20:17,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:17" (1/1) ... [2023-08-30 22:20:17,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:17,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:17,910 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2023-08-30 22:20:17,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:17,924 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:17,968 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2023-08-30 22:20:17,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:18,000 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:18,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18 WrapperNode [2023-08-30 22:20:18,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:18,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:18,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:18,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:18,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,048 INFO L138 Inliner]: procedures = 167, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-08-30 22:20:18,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:18,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:18,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:18,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:18,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:18,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:18,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:18,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:18,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (1/1) ... [2023-08-30 22:20:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:18,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:18,114 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 22:20:18,129 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 22:20:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:20:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:20:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:18,159 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 22:20:18,305 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:18,307 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:18,496 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:18,501 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:18,502 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:20:18,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:18 BoogieIcfgContainer [2023-08-30 22:20:18,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:18,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:18,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:18,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:18,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:17" (1/3) ... [2023-08-30 22:20:18,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b10dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:18, skipping insertion in model container [2023-08-30 22:20:18,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:18" (2/3) ... [2023-08-30 22:20:18,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b10dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:18, skipping insertion in model container [2023-08-30 22:20:18,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:18" (3/3) ... [2023-08-30 22:20:18,514 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2023-08-30 22:20:18,521 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:18,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:18,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:20:18,530 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:18,628 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:18,633 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:20:18,638 INFO L158 Benchmark]: Toolchain (without parser) took 1002.39ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 43.2MB in the end (delta: 6.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-08-30 22:20:18,638 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:18,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.06ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 47.1MB in the end (delta: 2.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:18,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:18,640 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 43.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:18,640 INFO L158 Benchmark]: RCFGBuilder took 427.51ms. Allocated memory is still 73.4MB. Free memory was 43.7MB in the beginning and 51.5MB in the end (delta: -7.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-08-30 22:20:18,641 INFO L158 Benchmark]: TraceAbstraction took 127.12ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 43.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:20:18,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.06ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 47.1MB in the end (delta: 2.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 43.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.51ms. Allocated memory is still 73.4MB. Free memory was 43.7MB in the beginning and 51.5MB in the end (delta: -7.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 127.12ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 43.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:18,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/pthread-ext/28_buggy_simple_loop1_vf.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:20:20,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:20,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:20,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:20,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:20,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:20,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:20,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:20,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:20,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:20,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:20,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:20,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:20,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:20,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:20,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:20,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:20,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:20,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:20,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:20,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:20,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:20,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:20,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:20,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:20,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:20,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:20,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:20,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:20,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:20,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:20,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:20,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:20,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:20,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:20,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:20,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:20,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:20,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:20,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:20,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:20,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:20:20,584 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:20,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:20,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:20,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:20,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:20,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:20,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:20,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:20,588 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:20,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:20,589 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:20,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:20,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:20,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:20,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:20,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:20,590 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:20:20,590 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:20:20,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:20:20,590 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:20,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:20,590 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:20,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:20,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:20,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:20,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:20,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:20,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:20,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:20,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:20,592 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:20:20,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:20:20,593 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:20,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:20,593 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:20,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:20,593 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:20:20,593 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:20,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:20,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:20,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:20,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:20,933 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:20,933 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:20,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2023-08-30 22:20:22,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:22,457 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:22,461 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2023-08-30 22:20:22,479 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0a4eb53/54537ed003a34ca3843398121b7c2bc9/FLAG5d512951b [2023-08-30 22:20:22,501 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0a4eb53/54537ed003a34ca3843398121b7c2bc9 [2023-08-30 22:20:22,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:22,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:22,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:22,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:22,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:22,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:22,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f610694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22, skipping insertion in model container [2023-08-30 22:20:22,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:22,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:22,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:22,875 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2023-08-30 22:20:22,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:22,894 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:22,938 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2023-08-30 22:20:22,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:22,985 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:22,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22 WrapperNode [2023-08-30 22:20:22,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:22,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:22,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:22,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:22,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,021 INFO L138 Inliner]: procedures = 170, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-08-30 22:20:23,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:23,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:23,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:23,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:23,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:23,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:23,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:23,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:23,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (1/1) ... [2023-08-30 22:20:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:23,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:23,084 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 22:20:23,097 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 22:20:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:23,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:20:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:20:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:23,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:23,131 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 22:20:23,292 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:23,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:23,476 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:23,481 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:23,482 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:20:23,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:23 BoogieIcfgContainer [2023-08-30 22:20:23,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:23,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:23,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:23,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:23,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:22" (1/3) ... [2023-08-30 22:20:23,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fba458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:23, skipping insertion in model container [2023-08-30 22:20:23,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:22" (2/3) ... [2023-08-30 22:20:23,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fba458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:23, skipping insertion in model container [2023-08-30 22:20:23,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:23" (3/3) ... [2023-08-30 22:20:23,493 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2023-08-30 22:20:23,500 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:23,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:23,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:20:23,508 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:23,602 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:23,612 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:20:23,617 INFO L158 Benchmark]: Toolchain (without parser) took 1111.78ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 48.0MB in the beginning and 60.5MB in the end (delta: -12.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-08-30 22:20:23,618 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:23,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.70ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.8MB in the beginning and 62.5MB in the end (delta: -14.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:23,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.47ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 60.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:23,620 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:23,621 INFO L158 Benchmark]: RCFGBuilder took 433.06ms. Allocated memory is still 86.0MB. Free memory was 58.8MB in the beginning and 45.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:20:23,622 INFO L158 Benchmark]: TraceAbstraction took 129.80ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 60.5MB in the end (delta: -15.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:23,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 48.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.70ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.8MB in the beginning and 62.5MB in the end (delta: -14.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.47ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 60.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.06ms. Allocated memory is still 86.0MB. Free memory was 58.8MB in the beginning and 45.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 129.80ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 60.5MB in the end (delta: -15.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:23,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE