./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/test-easy1.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/test-easy1.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 fc27937a34d27b10c960489127716dfcbd25a3140e1829dbc6f42b419387a4e7 --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 12:33:42,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:42,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:42,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:42,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:42,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:42,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:42,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:42,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:42,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:42,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:42,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:42,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:42,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:42,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:42,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:42,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:42,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:42,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:42,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:42,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:42,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:42,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:42,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:42,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:42,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:42,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:42,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:42,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:42,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:42,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:42,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:42,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:42,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:42,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:42,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:42,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:42,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:42,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:42,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:42,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:42,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:33:42,956 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:42,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:42,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:42,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:42,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:42,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:42,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:42,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:42,958 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:42,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:42,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:42,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:42,960 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:42,960 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:42,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:42,960 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:42,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:42,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:42,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:42,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:42,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:42,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:42,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:42,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:42,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:33:42,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:33:42,962 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:42,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:42,962 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:42,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:42,962 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:42,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc27937a34d27b10c960489127716dfcbd25a3140e1829dbc6f42b419387a4e7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:43,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:43,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:43,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:43,186 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:43,186 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:43,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-08-30 12:33:44,068 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:44,235 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:44,236 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-08-30 12:33:44,241 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b0558c9/3a8209a3828a4e45bf19fe745f1af535/FLAGae2df93e1 [2023-08-30 12:33:44,249 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b0558c9/3a8209a3828a4e45bf19fe745f1af535 [2023-08-30 12:33:44,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:44,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:44,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:44,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:44,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:44,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fb6d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44, skipping insertion in model container [2023-08-30 12:33:44,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:44,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:44,379 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/test-easy1.wvr.c[1876,1889] [2023-08-30 12:33:44,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:44,387 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:44,406 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/test-easy1.wvr.c[1876,1889] [2023-08-30 12:33:44,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:44,422 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:44,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44 WrapperNode [2023-08-30 12:33:44,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:44,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:44,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:44,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:44,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,449 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-08-30 12:33:44,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:44,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:44,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:44,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:44,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,479 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:44,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:44,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:44,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:44,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (1/1) ... [2023-08-30 12:33:44,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:44,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:44,523 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 12:33:44,542 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 12:33:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:33:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:33:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:33:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:44,553 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 12:33:44,613 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:44,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:44,784 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:44,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:44,789 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:33:44,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:44 BoogieIcfgContainer [2023-08-30 12:33:44,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:44,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:44,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:44,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:44,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:44" (1/3) ... [2023-08-30 12:33:44,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746a20ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:44, skipping insertion in model container [2023-08-30 12:33:44,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:44" (2/3) ... [2023-08-30 12:33:44,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746a20ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:44, skipping insertion in model container [2023-08-30 12:33:44,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:44" (3/3) ... [2023-08-30 12:33:44,795 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy1.wvr.c [2023-08-30 12:33:44,808 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:44,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:44,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:33:44,815 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:44,889 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:33:44,895 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 12:33:44,899 INFO L158 Benchmark]: Toolchain (without parser) took 646.46ms. Allocated memory is still 69.2MB. Free memory was 46.1MB in the beginning and 31.2MB in the end (delta: 14.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:44,899 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:44,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.04ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 35.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:44,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.34ms. Allocated memory is still 69.2MB. Free memory was 35.3MB in the beginning and 33.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:44,901 INFO L158 Benchmark]: Boogie Preprocessor took 32.30ms. Allocated memory is still 69.2MB. Free memory was 33.7MB in the beginning and 32.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:44,902 INFO L158 Benchmark]: RCFGBuilder took 306.77ms. Allocated memory is still 69.2MB. Free memory was 32.6MB in the beginning and 38.3MB in the end (delta: -5.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:44,902 INFO L158 Benchmark]: TraceAbstraction took 106.32ms. Allocated memory is still 69.2MB. Free memory was 37.5MB in the beginning and 31.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 12:33:44,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.04ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 35.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.34ms. Allocated memory is still 69.2MB. Free memory was 35.3MB in the beginning and 33.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.30ms. Allocated memory is still 69.2MB. Free memory was 33.7MB in the beginning and 32.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.77ms. Allocated memory is still 69.2MB. Free memory was 32.6MB in the beginning and 38.3MB in the end (delta: -5.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * TraceAbstraction took 106.32ms. Allocated memory is still 69.2MB. Free memory was 37.5MB in the beginning and 31.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:44,930 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/test-easy1.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 fc27937a34d27b10c960489127716dfcbd25a3140e1829dbc6f42b419387a4e7 --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 12:33:46,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:46,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:46,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:46,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:46,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:46,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:46,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:46,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:46,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:46,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:46,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:46,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:46,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:46,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:46,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:46,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:46,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:46,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:46,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:46,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:46,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:46,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:46,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:46,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:46,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:46,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:46,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:46,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:46,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:46,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:46,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:46,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:46,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:46,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:46,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:46,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:46,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:46,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:46,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:46,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:46,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:33:46,522 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:46,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:46,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:46,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:46,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:46,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:46,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:46,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:46,524 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:46,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:46,524 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:46,525 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:33:46,526 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:33:46,526 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:46,526 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:33:46,526 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:46,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:46,527 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:46,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:46,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:46,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:46,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:46,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:46,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:46,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:46,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:46,528 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:33:46,529 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:33:46,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:46,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:46,530 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:46,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:46,530 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:33:46,530 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:46,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc27937a34d27b10c960489127716dfcbd25a3140e1829dbc6f42b419387a4e7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:46,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:46,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:46,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:46,749 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:46,749 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:46,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-08-30 12:33:47,654 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:47,797 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:47,797 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-08-30 12:33:47,803 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65635264e/8c43d226c00d40048af11bb4f658ebe5/FLAG1e3114980 [2023-08-30 12:33:47,818 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65635264e/8c43d226c00d40048af11bb4f658ebe5 [2023-08-30 12:33:47,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:47,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:47,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:47,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:47,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:47,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:47" (1/1) ... [2023-08-30 12:33:47,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb96270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:47, skipping insertion in model container [2023-08-30 12:33:47,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:47" (1/1) ... [2023-08-30 12:33:47,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:47,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:47,950 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/test-easy1.wvr.c[1876,1889] [2023-08-30 12:33:47,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:47,963 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:47,987 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/test-easy1.wvr.c[1876,1889] [2023-08-30 12:33:47,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:48,002 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:48,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48 WrapperNode [2023-08-30 12:33:48,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:48,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:48,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:48,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:48,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,031 INFO L138 Inliner]: procedures = 23, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-08-30 12:33:48,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:48,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:48,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:48,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:48,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:48,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:48,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:48,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:48,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (1/1) ... [2023-08-30 12:33:48,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:48,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:48,095 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 12:33:48,115 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 12:33:48,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:33:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:33:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:33:48,129 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 12:33:48,207 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:48,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:48,364 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:48,369 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:48,369 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:33:48,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:48 BoogieIcfgContainer [2023-08-30 12:33:48,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:48,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:48,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:48,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:48,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:47" (1/3) ... [2023-08-30 12:33:48,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad05636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:48, skipping insertion in model container [2023-08-30 12:33:48,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:48" (2/3) ... [2023-08-30 12:33:48,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad05636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:48, skipping insertion in model container [2023-08-30 12:33:48,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:48" (3/3) ... [2023-08-30 12:33:48,382 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy1.wvr.c [2023-08-30 12:33:48,389 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:48,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:48,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:33:48,395 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:48,459 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:33:48,464 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 12:33:48,467 INFO L158 Benchmark]: Toolchain (without parser) took 646.30ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 62.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-08-30 12:33:48,467 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:48,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.77ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 60.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:48,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.06ms. Allocated memory is still 94.4MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:48,469 INFO L158 Benchmark]: Boogie Preprocessor took 39.88ms. Allocated memory is still 94.4MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:33:48,469 INFO L158 Benchmark]: RCFGBuilder took 297.33ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 69.8MB in the end (delta: -12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:48,469 INFO L158 Benchmark]: TraceAbstraction took 94.58ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 62.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 12:33:48,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.77ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 60.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.06ms. Allocated memory is still 94.4MB. Free memory was 60.4MB in the beginning and 58.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.88ms. Allocated memory is still 94.4MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 297.33ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 69.8MB in the end (delta: -12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 94.58ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 62.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:33:48,488 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