./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.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/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.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 efd273c7d755fee5b08c1ba81e4b1fd2265522d7f0703d6f8ec42ad387cd2968 --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 22:31:58,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:31:58,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:31:58,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:31:58,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:31:58,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:31:58,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:31:58,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:31:58,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:31:58,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:31:58,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:31:58,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:31:58,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:31:58,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:31:58,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:31:58,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:31:58,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:31:58,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:31:58,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:31:58,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:31:58,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:31:58,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:31:58,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:31:58,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:31:58,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:31:58,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:31:58,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:31:58,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:31:58,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:31:58,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:31:58,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:31:58,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:31:58,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:31:58,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:31:58,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:31:58,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:31:58,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:31:58,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:31:58,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:31:58,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:31:58,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:31:58,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:31:58,188 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:31:58,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:31:58,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:31:58,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:31:58,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:31:58,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:31:58,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:31:58,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:31:58,192 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:31:58,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:31:58,193 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:31:58,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:31:58,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:31:58,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:31:58,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:31:58,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:31:58,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:31:58,194 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:31:58,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:31:58,194 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:31:58,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:31:58,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:31:58,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:31:58,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:31:58,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:31:58,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:31:58,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:31:58,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:31:58,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:31:58,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:31:58,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:31:58,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:31:58,197 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:31:58,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:31:58,198 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:31:58,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efd273c7d755fee5b08c1ba81e4b1fd2265522d7f0703d6f8ec42ad387cd2968 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:31:58,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:31:58,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:31:58,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:31:58,540 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:31:58,541 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:31:58,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-08-30 22:31:59,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:31:59,927 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:31:59,928 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-08-30 22:31:59,942 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e53c52985/58158b5f703942c68d12d3460eeaa6bb/FLAGfc168419d [2023-08-30 22:32:00,270 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e53c52985/58158b5f703942c68d12d3460eeaa6bb [2023-08-30 22:32:00,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:00,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:00,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:00,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:00,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:00,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba9f772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00, skipping insertion in model container [2023-08-30 22:32:00,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:00,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:00,489 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-08-30 22:32:00,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:00,683 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:00,694 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-08-30 22:32:00,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:00,761 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:00,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00 WrapperNode [2023-08-30 22:32:00,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:00,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:00,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:00,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:00,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,813 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-08-30 22:32:00,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:00,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:00,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:00,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:00,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:00,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:00,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:00,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:00,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (1/1) ... [2023-08-30 22:32:00,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:00,882 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 22:32:00,912 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 22:32:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:32:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:32:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:32:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:32:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:00,929 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 22:32:01,105 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:01,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:01,209 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:01,215 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:01,215 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:32:01,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:01 BoogieIcfgContainer [2023-08-30 22:32:01,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:01,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:01,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:01,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:01,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:00" (1/3) ... [2023-08-30 22:32:01,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26104541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:01, skipping insertion in model container [2023-08-30 22:32:01,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:00" (2/3) ... [2023-08-30 22:32:01,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26104541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:01, skipping insertion in model container [2023-08-30 22:32:01,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:01" (3/3) ... [2023-08-30 22:32:01,225 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-08-30 22:32:01,233 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:01,241 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:01,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:01,242 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:01,291 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:32:01,296 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 22:32:01,300 INFO L158 Benchmark]: Toolchain (without parser) took 1026.24ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 37.2MB in the beginning and 41.4MB in the end (delta: -4.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-08-30 22:32:01,301 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 56.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:01,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.38ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 37.0MB in the beginning and 60.8MB in the end (delta: -23.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-08-30 22:32:01,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.04ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 59.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:01,303 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 88.1MB. Free memory was 58.7MB in the beginning and 57.9MB in the end (delta: 891.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:01,303 INFO L158 Benchmark]: RCFGBuilder took 369.89ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 47.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:32:01,304 INFO L158 Benchmark]: TraceAbstraction took 79.48ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 41.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:32:01,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 56.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.38ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 37.0MB in the beginning and 60.8MB in the end (delta: -23.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.04ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 59.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 88.1MB. Free memory was 58.7MB in the beginning and 57.9MB in the end (delta: 891.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.89ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 47.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 79.48ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 41.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 22:32:01,325 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/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.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 efd273c7d755fee5b08c1ba81e4b1fd2265522d7f0703d6f8ec42ad387cd2968 --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 22:32:03,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:03,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:03,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:03,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:03,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:03,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:03,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:03,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:03,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:03,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:03,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:03,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:03,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:03,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:03,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:03,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:03,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:03,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:03,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:03,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:03,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:03,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:03,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:03,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:03,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:03,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:03,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:03,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:03,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:03,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:03,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:03,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:03,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:03,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:03,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:03,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:03,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:03,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:03,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:03,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:03,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:32:03,351 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:03,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:03,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:03,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:03,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:03,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:03,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:03,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:03,355 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:03,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:03,356 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:03,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:03,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:03,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:03,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:03,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:03,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:32:03,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:32:03,358 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:32:03,358 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:03,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:03,358 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:03,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:03,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:03,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:03,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:03,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:03,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:03,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:03,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:03,360 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:32:03,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:32:03,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:03,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:03,361 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:03,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:03,361 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:32:03,362 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:03,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efd273c7d755fee5b08c1ba81e4b1fd2265522d7f0703d6f8ec42ad387cd2968 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:03,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:03,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:03,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:03,667 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:03,668 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:03,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-08-30 22:32:04,947 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:05,277 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:05,278 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-08-30 22:32:05,289 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8de506b/68be9571c38d4f899c8a9160b9388042/FLAGc2a8ac38a [2023-08-30 22:32:05,300 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8de506b/68be9571c38d4f899c8a9160b9388042 [2023-08-30 22:32:05,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:05,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:05,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:05,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:05,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:05,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d61e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05, skipping insertion in model container [2023-08-30 22:32:05,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:05,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:05,489 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-08-30 22:32:05,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:05,604 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:05,620 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-08-30 22:32:05,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:05,712 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:05,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05 WrapperNode [2023-08-30 22:32:05,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:05,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:05,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:05,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:05,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,773 INFO L138 Inliner]: procedures = 165, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-08-30 22:32:05,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:05,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:05,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:05,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:05,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:05,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:05,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:05,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:05,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (1/1) ... [2023-08-30 22:32:05,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:05,910 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 22:32:05,935 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 22:32:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:32:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:32:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:32:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:32:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:05,952 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 22:32:06,083 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:06,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:06,184 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:06,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:06,190 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:32:06,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:06 BoogieIcfgContainer [2023-08-30 22:32:06,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:06,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:06,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:06,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:06,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:05" (1/3) ... [2023-08-30 22:32:06,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131f3098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:06, skipping insertion in model container [2023-08-30 22:32:06,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:05" (2/3) ... [2023-08-30 22:32:06,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131f3098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:06, skipping insertion in model container [2023-08-30 22:32:06,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:06" (3/3) ... [2023-08-30 22:32:06,199 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-08-30 22:32:06,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:06,216 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:06,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:06,216 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:06,276 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:32:06,284 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 22:32:06,290 INFO L158 Benchmark]: Toolchain (without parser) took 984.89ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 57.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-08-30 22:32:06,290 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:06,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.30ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 51.0MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 22:32:06,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.88ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:06,294 INFO L158 Benchmark]: Boogie Preprocessor took 50.56ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 47.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:06,295 INFO L158 Benchmark]: RCFGBuilder took 349.89ms. Allocated memory is still 94.4MB. Free memory was 74.7MB in the beginning and 63.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:32:06,295 INFO L158 Benchmark]: TraceAbstraction took 95.07ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 57.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:32:06,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.30ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 51.0MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.88ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.56ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 47.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.89ms. Allocated memory is still 94.4MB. Free memory was 74.7MB in the beginning and 63.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 95.07ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 57.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. 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 22:32:06,321 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