./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e --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 02:03:21,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:21,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:21,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:21,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:21,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:21,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:21,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:21,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:21,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:21,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:21,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:21,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:21,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:21,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:21,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:21,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:21,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:21,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:21,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:21,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:21,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:21,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:21,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:21,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:21,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:21,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:21,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:21,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:21,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:21,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:21,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:21,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:21,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:21,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:21,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:21,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:21,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:21,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:21,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:21,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:21,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:03:21,686 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:21,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:21,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:21,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:21,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:21,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:21,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:21,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:21,690 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:21,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:21,691 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:21,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:21,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:21,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:21,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:21,692 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:21,692 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:21,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:21,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:21,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:21,693 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:21,693 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:21,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:21,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:21,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:21,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:21,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:21,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:21,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:03:21,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:03:21,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:21,695 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:21,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:21,696 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:21,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:21,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:22,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:22,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:22,020 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:22,021 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:22,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-30 02:03:23,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:23,405 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:23,406 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-30 02:03:23,412 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f158b3c7/bfd89b60266b4c18a14b8051a0b4bf54/FLAGe5bf4d64b [2023-08-30 02:03:23,430 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f158b3c7/bfd89b60266b4c18a14b8051a0b4bf54 [2023-08-30 02:03:23,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:23,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:23,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:23,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:23,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:23,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6455bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23, skipping insertion in model container [2023-08-30 02:03:23,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:23,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:23,644 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2023-08-30 02:03:23,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:23,660 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:23,688 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2023-08-30 02:03:23,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:23,709 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:23,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23 WrapperNode [2023-08-30 02:03:23,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:23,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:23,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:23,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:23,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,744 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-08-30 02:03:23,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:23,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:23,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:23,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:23,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:23,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:23,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:23,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:23,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (1/1) ... [2023-08-30 02:03:23,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:23,814 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 02:03:23,829 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 02:03:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:03:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:03:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:03:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:23,864 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 02:03:24,005 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:24,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:24,270 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:24,277 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:24,278 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 02:03:24,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:24 BoogieIcfgContainer [2023-08-30 02:03:24,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:24,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:24,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:24,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:24,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:23" (1/3) ... [2023-08-30 02:03:24,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e82db2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:24, skipping insertion in model container [2023-08-30 02:03:24,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:23" (2/3) ... [2023-08-30 02:03:24,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e82db2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:24, skipping insertion in model container [2023-08-30 02:03:24,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:24" (3/3) ... [2023-08-30 02:03:24,314 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-08-30 02:03:24,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:24,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:03:24,341 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:24,420 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:03:24,429 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 02:03:24,435 INFO L158 Benchmark]: Toolchain (without parser) took 1000.21ms. Allocated memory is still 92.3MB. Free memory was 71.0MB in the beginning and 66.1MB in the end (delta: 4.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-08-30 02:03:24,436 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:24,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.28ms. Allocated memory is still 92.3MB. Free memory was 70.7MB in the beginning and 60.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:03:24,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.63ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:24,438 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:24,439 INFO L158 Benchmark]: RCFGBuilder took 500.94ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 44.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:24,439 INFO L158 Benchmark]: TraceAbstraction took 150.75ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 66.1MB in the end (delta: -22.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 02:03:24,446 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 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.28ms. Allocated memory is still 92.3MB. Free memory was 70.7MB in the beginning and 60.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.63ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.48ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.94ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 44.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 150.75ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 66.1MB in the end (delta: -22.7MB). Peak memory consumption was 4.2MB. 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 02:03:24,471 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e --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 02:03:26,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:26,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:26,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:26,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:26,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:26,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:26,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:26,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:26,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:26,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:26,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:26,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:26,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:26,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:26,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:26,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:26,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:26,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:26,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:26,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:26,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:26,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:26,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:26,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:26,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:26,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:26,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:26,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:26,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:26,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:26,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:26,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:26,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:26,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:26,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:26,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:26,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:26,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:26,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:26,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:26,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:03:26,463 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:26,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:26,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:26,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:26,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:26,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:26,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:26,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:26,466 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:26,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:26,466 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:26,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:26,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:26,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:26,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:26,467 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:26,468 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:26,468 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:26,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:26,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:26,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:03:26,469 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:03:26,469 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:26,469 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:26,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:26,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:26,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:26,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:26,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:26,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:26,471 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:03:26,471 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:03:26,471 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:26,471 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:26,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:26,472 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:03:26,472 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:26,472 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:26,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:26,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:26,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:26,818 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:26,818 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:26,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-30 02:03:28,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:28,196 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:28,197 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-08-30 02:03:28,202 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701b7e7c4/f260b9c609044b46a91b58eef6bede10/FLAG1e4d73899 [2023-08-30 02:03:28,214 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701b7e7c4/f260b9c609044b46a91b58eef6bede10 [2023-08-30 02:03:28,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:28,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:28,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:28,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:28,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:28,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0e7ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28, skipping insertion in model container [2023-08-30 02:03:28,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:28,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:28,408 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2023-08-30 02:03:28,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:28,427 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:28,467 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2023-08-30 02:03:28,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:28,485 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:28,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28 WrapperNode [2023-08-30 02:03:28,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:28,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:28,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:28,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:28,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,532 INFO L138 Inliner]: procedures = 23, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-08-30 02:03:28,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:28,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:28,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:28,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:28,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,574 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:28,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:28,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:28,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:28,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:28,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:28,622 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 02:03:28,648 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 02:03:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:03:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:03:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:03:28,664 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 02:03:28,782 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:28,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:29,074 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:29,080 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:29,080 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 02:03:29,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:29 BoogieIcfgContainer [2023-08-30 02:03:29,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:29,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:29,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:29,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:29,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:28" (1/3) ... [2023-08-30 02:03:29,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c940ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:29, skipping insertion in model container [2023-08-30 02:03:29,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (2/3) ... [2023-08-30 02:03:29,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c940ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:29, skipping insertion in model container [2023-08-30 02:03:29,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:29" (3/3) ... [2023-08-30 02:03:29,089 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-08-30 02:03:29,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:29,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:03:29,104 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:29,168 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:03:29,180 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 02:03:29,187 INFO L158 Benchmark]: Toolchain (without parser) took 969.01ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 71.3MB in the end (delta: -31.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,188 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:29,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.13ms. Allocated memory is still 71.3MB. Free memory was 39.7MB in the beginning and 50.4MB in the end (delta: -10.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.40ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,189 INFO L158 Benchmark]: Boogie Preprocessor took 48.94ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 47.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,189 INFO L158 Benchmark]: RCFGBuilder took 499.90ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 33.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,190 INFO L158 Benchmark]: TraceAbstraction took 101.24ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.5MB in the beginning and 71.3MB in the end (delta: -38.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,193 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 71.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.13ms. Allocated memory is still 71.3MB. Free memory was 39.7MB in the beginning and 50.4MB in the end (delta: -10.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.40ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.94ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 47.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.90ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 33.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 101.24ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.5MB in the beginning and 71.3MB in the end (delta: -38.8MB). Peak memory consumption was 6.2MB. 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 02:03:29,220 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