./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c --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/weaver/chl-exp-term-subst.wvr.c -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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --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 22:32:28,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:28,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:28,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:28,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:28,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:28,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:28,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:28,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:28,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:28,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:28,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:28,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:28,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:28,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:28,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:28,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:28,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:28,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:28,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:28,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:28,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:28,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:28,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:28,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:28,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:28,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:28,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:28,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:28,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:28,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:28,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:28,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:28,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:28,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:28,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:28,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:28,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:28,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:28,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:28,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:28,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:32:28,564 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:28,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:28,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:28,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:28,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:28,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:28,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:28,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:28,567 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:28,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:28,568 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:28,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:32:28,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:28,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:28,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:28,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:28,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:28,570 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:28,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:28,570 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:28,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:28,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:28,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:28,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:28,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:28,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:28,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:28,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:28,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:32:28,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:32:28,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:28,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:28,573 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:28,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:28,573 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:28,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:28,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:28,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:28,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:28,899 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:28,899 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:28,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2023-08-30 22:32:29,988 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:30,173 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:30,174 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2023-08-30 22:32:30,182 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/379601c21/d86a05ebcdeb4fd6aad125e615e291c7/FLAG1ed89cbbf [2023-08-30 22:32:30,194 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/379601c21/d86a05ebcdeb4fd6aad125e615e291c7 [2023-08-30 22:32:30,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:30,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:30,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:30,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:30,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:30,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd51719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30, skipping insertion in model container [2023-08-30 22:32:30,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:30,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:30,370 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/chl-exp-term-subst.wvr.c[3072,3085] [2023-08-30 22:32:30,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:30,394 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:30,427 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/chl-exp-term-subst.wvr.c[3072,3085] [2023-08-30 22:32:30,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:30,451 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:30,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30 WrapperNode [2023-08-30 22:32:30,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:30,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:30,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:30,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:30,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,517 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 182 [2023-08-30 22:32:30,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:30,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:30,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:30,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:30,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,557 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:30,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:30,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:30,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:30,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (1/1) ... [2023-08-30 22:32:30,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:30,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:30,602 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 22:32:30,617 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 22:32:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:32:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:32:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:32:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:32:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:32:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:32:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:32:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:32:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:32:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:30,649 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 22:32:30,815 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:30,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:31,083 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:31,092 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:31,092 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:32:31,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:31 BoogieIcfgContainer [2023-08-30 22:32:31,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:31,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:31,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:31,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:31,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:30" (1/3) ... [2023-08-30 22:32:31,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad11867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:31, skipping insertion in model container [2023-08-30 22:32:31,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:30" (2/3) ... [2023-08-30 22:32:31,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad11867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:31, skipping insertion in model container [2023-08-30 22:32:31,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:31" (3/3) ... [2023-08-30 22:32:31,118 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2023-08-30 22:32:31,125 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:31,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:31,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:31,136 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:31,287 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 22:32:31,294 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 22:32:31,299 INFO L158 Benchmark]: Toolchain (without parser) took 1100.35ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 50.3MB in the end (delta: 2.2MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,300 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:31,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 40.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.15ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 56.0MB in the end (delta: -15.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,302 INFO L158 Benchmark]: Boogie Preprocessor took 49.86ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 54.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:31,303 INFO L158 Benchmark]: RCFGBuilder took 542.21ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 35.0MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,303 INFO L158 Benchmark]: TraceAbstraction took 184.75ms. Allocated memory is still 75.5MB. Free memory was 34.6MB in the beginning and 50.3MB in the end (delta: -15.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:31,309 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 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.62ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 40.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.15ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 56.0MB in the end (delta: -15.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.86ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 54.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.21ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 35.0MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 184.75ms. Allocated memory is still 75.5MB. Free memory was 34.6MB in the beginning and 50.3MB in the end (delta: -15.7MB). Peak memory consumption was 13.1MB. 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 22:32:31,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/weaver/chl-exp-term-subst.wvr.c -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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --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 22:32:33,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:33,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:33,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:33,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:33,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:33,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:33,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:33,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:33,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:33,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:33,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:33,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:33,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:33,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:33,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:33,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:33,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:33,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:33,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:33,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:33,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:33,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:33,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:33,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:33,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:33,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:33,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:33,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:33,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:33,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:33,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:33,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:33,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:33,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:33,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:33,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:33,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:33,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:33,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:33,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:33,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:32:33,364 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:33,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:33,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:33,365 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:33,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:33,366 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:33,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:33,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:33,367 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:33,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:33,368 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:33,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:33,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:33,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:33,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:33,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:33,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:32:33,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:32:33,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:32:33,370 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:33,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:33,371 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:33,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:33,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:33,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:33,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:33,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:33,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:33,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:33,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:33,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:32:33,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:32:33,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:33,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:33,374 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:33,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:33,374 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:32:33,374 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:33,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:33,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:33,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:33,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:33,711 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:33,712 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:33,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2023-08-30 22:32:34,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:35,180 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:35,181 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2023-08-30 22:32:35,191 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae7b9fe4/6e54172b235d41359fa8be7eb323f936/FLAG32afec16b [2023-08-30 22:32:35,211 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae7b9fe4/6e54172b235d41359fa8be7eb323f936 [2023-08-30 22:32:35,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:35,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:35,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:35,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:35,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:35,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f74aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35, skipping insertion in model container [2023-08-30 22:32:35,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:35,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:35,378 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/chl-exp-term-subst.wvr.c[3072,3085] [2023-08-30 22:32:35,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:35,396 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:35,416 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/chl-exp-term-subst.wvr.c[3072,3085] [2023-08-30 22:32:35,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:35,433 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:35,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35 WrapperNode [2023-08-30 22:32:35,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:35,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:35,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:35,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:35,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,476 INFO L138 Inliner]: procedures = 25, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 176 [2023-08-30 22:32:35,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:35,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:35,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:35,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:35,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:35,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:35,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:35,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:35,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (1/1) ... [2023-08-30 22:32:35,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:35,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:35,549 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 22:32:35,552 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 22:32:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:32:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:32:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:32:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:32:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:32:35,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:32:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:32:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:32:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:32:35,593 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 22:32:35,699 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:35,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:36,041 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:36,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:36,050 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:32:36,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:36 BoogieIcfgContainer [2023-08-30 22:32:36,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:36,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:36,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:36,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:36,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:35" (1/3) ... [2023-08-30 22:32:36,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74306d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:36, skipping insertion in model container [2023-08-30 22:32:36,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:35" (2/3) ... [2023-08-30 22:32:36,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74306d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:36, skipping insertion in model container [2023-08-30 22:32:36,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:36" (3/3) ... [2023-08-30 22:32:36,066 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2023-08-30 22:32:36,073 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:36,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:36,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:36,082 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:36,263 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 22:32:36,270 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 22:32:36,274 INFO L158 Benchmark]: Toolchain (without parser) took 1058.95ms. Allocated memory is still 75.5MB. Free memory was 55.0MB in the beginning and 46.5MB in the end (delta: 8.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,274 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:36,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.82ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 42.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.88ms. Allocated memory is still 75.5MB. Free memory was 42.9MB in the beginning and 40.6MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,276 INFO L158 Benchmark]: Boogie Preprocessor took 48.45ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 38.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:36,277 INFO L158 Benchmark]: RCFGBuilder took 526.72ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 37.2MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,277 INFO L158 Benchmark]: TraceAbstraction took 217.54ms. Allocated memory is still 75.5MB. Free memory was 36.2MB in the beginning and 46.5MB in the end (delta: -10.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-08-30 22:32:36,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.82ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 42.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.88ms. Allocated memory is still 75.5MB. Free memory was 42.9MB in the beginning and 40.6MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.45ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 38.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.72ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 37.2MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 217.54ms. Allocated memory is still 75.5MB. Free memory was 36.2MB in the beginning and 46.5MB in the end (delta: -10.3MB). Peak memory consumption was 9.9MB. 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 22:32:36,310 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