./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --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 12:32:50,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:32:50,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:32:50,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:32:50,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:32:50,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:32:50,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:32:50,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:32:50,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:32:50,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:32:50,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:32:50,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:32:50,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:32:50,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:32:50,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:32:50,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:32:50,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:32:50,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:32:50,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:32:50,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:32:50,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:32:50,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:32:50,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:32:50,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:32:50,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:32:50,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:32:50,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:32:50,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:32:50,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:32:50,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:32:50,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:32:50,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:32:50,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:32:50,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:32:50,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:32:50,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:32:50,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:32:50,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:32:50,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:32:50,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:32:50,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:32:50,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:32:50,637 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:32:50,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:32:50,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:32:50,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:32:50,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:32:50,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:32:50,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:32:50,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:32:50,641 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:32:50,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:32:50,641 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:32:50,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:32:50,643 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:32:50,643 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:32:50,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:32:50,643 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:32:50,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:32:50,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:32:50,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:32:50,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:32:50,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:50,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:32:50,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:32:50,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:32:50,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:32:50,645 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:32:50,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:32:50,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:32:50,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:32:50,906 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:32:50,906 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:32:50,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-30 12:32:51,927 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:32:52,155 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:32:52,155 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-30 12:32:52,176 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38debe5f0/0a76a9d3c63e48e28c19a98517d68022/FLAG5024bab26 [2023-08-30 12:32:52,194 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38debe5f0/0a76a9d3c63e48e28c19a98517d68022 [2023-08-30 12:32:52,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:32:52,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:32:52,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:52,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:32:52,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:32:52,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54463f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52, skipping insertion in model container [2023-08-30 12:32:52,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:32:52,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:52,365 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-30 12:32:52,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:52,382 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:32:52,412 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-30 12:32:52,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:52,430 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:52,430 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:52,434 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:32:52,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52 WrapperNode [2023-08-30 12:32:52,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:52,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:52,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:32:52,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:32:52,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,495 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 406 [2023-08-30 12:32:52,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:52,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:32:52,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:32:52,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:32:52,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:32:52,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:32:52,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:32:52,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:32:52,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (1/1) ... [2023-08-30 12:32:52,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:32:52,586 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 12:32:52,611 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 12:32:52,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:32:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:32:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:32:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:32:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:32:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:32:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:32:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:32:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:32:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:32:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-30 12:32:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-30 12:32:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:32:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:32:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:32:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:32:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:32:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:32:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:32:52,627 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 12:32:52,719 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:32:52,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:32:53,072 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:32:53,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:32:53,367 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-30 12:32:53,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:53 BoogieIcfgContainer [2023-08-30 12:32:53,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:32:53,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:32:53,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:32:53,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:32:53,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:32:52" (1/3) ... [2023-08-30 12:32:53,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f176dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:53, skipping insertion in model container [2023-08-30 12:32:53,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:52" (2/3) ... [2023-08-30 12:32:53,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f176dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:53, skipping insertion in model container [2023-08-30 12:32:53,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:53" (3/3) ... [2023-08-30 12:32:53,378 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2023-08-30 12:32:53,384 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:32:53,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:32:53,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-30 12:32:53,391 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:32:53,545 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 12:32:53,550 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 12:32:53,555 INFO L158 Benchmark]: Toolchain (without parser) took 1357.23ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 71.5MB in the beginning and 75.4MB in the end (delta: -3.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2023-08-30 12:32:53,556 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:53,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.80ms. Allocated memory is still 94.4MB. Free memory was 71.3MB in the beginning and 58.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:32:53,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.26ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 54.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:32:53,558 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 52.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:53,558 INFO L158 Benchmark]: RCFGBuilder took 823.92ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 52.5MB in the beginning and 75.7MB in the end (delta: -23.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-08-30 12:32:53,559 INFO L158 Benchmark]: TraceAbstraction took 180.55ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 75.4MB in the end (delta: -181.0kB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-08-30 12:32:53,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.80ms. Allocated memory is still 94.4MB. Free memory was 71.3MB in the beginning and 58.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.26ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 54.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 52.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.92ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 52.5MB in the beginning and 75.7MB in the end (delta: -23.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * TraceAbstraction took 180.55ms. Allocated memory is still 115.3MB. Free memory was 75.2MB in the beginning and 75.4MB in the end (delta: -181.0kB). Peak memory consumption was 33.6MB. 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 12:32:53,580 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/popl20-more-buffer-series.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --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 12:32:55,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:32:55,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:32:55,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:32:55,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:32:55,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:32:55,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:32:55,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:32:55,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:32:55,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:32:55,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:32:55,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:32:55,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:32:55,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:32:55,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:32:55,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:32:55,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:32:55,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:32:55,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:32:55,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:32:55,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:32:55,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:32:55,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:32:55,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:32:55,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:32:55,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:32:55,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:32:55,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:32:55,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:32:55,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:32:55,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:32:55,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:32:55,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:32:55,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:32:55,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:32:55,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:32:55,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:32:55,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:32:55,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:32:55,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:32:55,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:32:55,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:32:55,378 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:32:55,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:32:55,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:32:55,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:32:55,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:32:55,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:32:55,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:32:55,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:32:55,380 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:32:55,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:32:55,381 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:32:55,382 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:32:55,383 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:32:55,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:32:55,383 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:32:55,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:32:55,383 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:32:55,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:32:55,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:32:55,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:32:55,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:32:55,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:55,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:32:55,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:32:55,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:32:55,385 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:32:55,385 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:32:55,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:32:55,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:32:55,385 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:32:55,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:32:55,386 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:32:55,386 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:32:55,386 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:32:55,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:32:55,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:32:55,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:32:55,656 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:32:55,656 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:32:55,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-30 12:32:56,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:32:57,004 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:32:57,005 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2023-08-30 12:32:57,042 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b4b3046a/c415b2f4ddba42d89cc7590c7f36b825/FLAGf9d24cde1 [2023-08-30 12:32:57,057 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b4b3046a/c415b2f4ddba42d89cc7590c7f36b825 [2023-08-30 12:32:57,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:32:57,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:32:57,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:57,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:32:57,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:32:57,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a420bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57, skipping insertion in model container [2023-08-30 12:32:57,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:32:57,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:57,256 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-30 12:32:57,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:57,273 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 12:32:57,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:32:57,293 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-30 12:32:57,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:57,307 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:32:57,325 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/popl20-more-buffer-series.wvr.c[4351,4364] [2023-08-30 12:32:57,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:32:57,335 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:57,335 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:32:57,340 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:32:57,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57 WrapperNode [2023-08-30 12:32:57,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:32:57,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:57,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:32:57,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:32:57,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,374 INFO L138 Inliner]: procedures = 29, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 396 [2023-08-30 12:32:57,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:32:57,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:32:57,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:32:57,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:32:57,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,402 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:32:57,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:32:57,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:32:57,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:32:57,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (1/1) ... [2023-08-30 12:32:57,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:32:57,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:32:57,446 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 12:32:57,449 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 12:32:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:32:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:32:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:32:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:32:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:32:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:32:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:32:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:32:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:32:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:32:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-30 12:32:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-30 12:32:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:32:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:32:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:32:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:32:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:32:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:32:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:32:57,501 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 12:32:57,653 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:32:57,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:32:58,162 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:32:58,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:32:58,459 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-08-30 12:32:58,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:58 BoogieIcfgContainer [2023-08-30 12:32:58,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:32:58,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:32:58,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:32:58,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:32:58,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:32:57" (1/3) ... [2023-08-30 12:32:58,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5749dd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:58, skipping insertion in model container [2023-08-30 12:32:58,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:32:57" (2/3) ... [2023-08-30 12:32:58,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5749dd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:32:58, skipping insertion in model container [2023-08-30 12:32:58,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:32:58" (3/3) ... [2023-08-30 12:32:58,467 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2023-08-30 12:32:58,473 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:32:58,479 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:32:58,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-30 12:32:58,479 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:32:58,598 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 12:32:58,603 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 12:32:58,606 INFO L158 Benchmark]: Toolchain (without parser) took 1545.33ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 76.1MB in the beginning and 79.5MB in the end (delta: -3.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-08-30 12:32:58,606 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:32:58,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.28ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 59.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:32:58,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.38ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 56.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:32:58,608 INFO L158 Benchmark]: Boogie Preprocessor took 31.87ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 53.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:32:58,608 INFO L158 Benchmark]: RCFGBuilder took 1053.34ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 81.6MB in the end (delta: -27.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-08-30 12:32:58,608 INFO L158 Benchmark]: TraceAbstraction took 142.68ms. Allocated memory is still 119.5MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-08-30 12:32:58,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.28ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 59.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.38ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 56.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.87ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 53.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1053.34ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 53.9MB in the beginning and 81.6MB in the end (delta: -27.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 142.68ms. Allocated memory is still 119.5MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 33.9MB. 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 12:32:58,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE