./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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 ../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:26:55,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:26:55,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:26:55,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:26:55,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:26:55,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:26:55,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:26:55,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:26:55,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:26:55,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:26:55,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:26:55,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:26:55,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:26:55,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:26:55,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:26:55,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:26:55,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:26:55,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:26:55,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:26:55,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:26:55,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:26:55,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:26:55,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:26:55,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:26:55,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:26:55,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:26:55,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:26:55,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:26:55,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:26:55,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:26:55,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:26:55,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:26:55,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:26:55,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:26:55,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:26:55,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:26:55,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:26:55,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:26:55,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:26:55,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:26:55,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:26:55,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:26:55,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:26:55,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:26:55,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:26:55,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:26:55,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:26:55,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:26:55,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:26:55,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:26:55,405 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:26:55,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:26:55,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:26:55,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:26:55,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:26:55,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:26:55,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:26:55,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:26:55,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:26:55,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:26:55,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:26:55,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:26:55,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:26:55,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:26:55,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:26:55,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:26:55,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:55,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:26:55,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:26:55,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:26:55,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 [2021-12-15 12:26:55,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:26:55,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:26:55,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:26:55,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:26:55,583 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:26:55,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2021-12-15 12:26:55,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e82de2244/2ae1322598cf46b3a27eaa7a3a1e084e/FLAG8ab40f626 [2021-12-15 12:26:56,036 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:26:56,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2021-12-15 12:26:56,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e82de2244/2ae1322598cf46b3a27eaa7a3a1e084e/FLAG8ab40f626 [2021-12-15 12:26:56,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e82de2244/2ae1322598cf46b3a27eaa7a3a1e084e [2021-12-15 12:26:56,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:26:56,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:26:56,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:26:56,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:26:56,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:26:56,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a9fe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56, skipping insertion in model container [2021-12-15 12:26:56,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:26:56,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:26:56,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2021-12-15 12:26:56,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:26:56,761 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:26:56,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2021-12-15 12:26:56,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:26:56,835 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:26:56,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56 WrapperNode [2021-12-15 12:26:56,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:26:56,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:26:56,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:26:56,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:26:56,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,880 INFO L137 Inliner]: procedures = 162, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2021-12-15 12:26:56,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:26:56,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:26:56,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:26:56,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:26:56,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:26:56,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:26:56,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:26:56,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:26:56,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (1/1) ... [2021-12-15 12:26:56,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:56,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:26:56,939 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) [2021-12-15 12:26:56,957 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 [2021-12-15 12:26:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:26:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:26:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:26:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:26:56,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:26:57,059 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:26:57,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:26:57,222 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:26:57,227 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:26:57,227 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:26:57,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:26:57 BoogieIcfgContainer [2021-12-15 12:26:57,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:26:57,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:26:57,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:26:57,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:26:57,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:26:56" (1/3) ... [2021-12-15 12:26:57,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee37afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:26:57, skipping insertion in model container [2021-12-15 12:26:57,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:56" (2/3) ... [2021-12-15 12:26:57,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee37afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:26:57, skipping insertion in model container [2021-12-15 12:26:57,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:26:57" (3/3) ... [2021-12-15 12:26:57,235 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2021-12-15 12:26:57,238 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:26:57,238 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:26:57,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:26:57,238 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:26:57,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,255 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,255 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:57,268 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-12-15 12:26:57,272 INFO L158 Benchmark]: Toolchain (without parser) took 841.68ms. Allocated memory is still 144.7MB. Free memory was 110.0MB in the beginning and 90.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-12-15 12:26:57,272 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:26:57,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.02ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 109.8MB in the end (delta: -159.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:26:57,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.73ms. Allocated memory is still 144.7MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:57,274 INFO L158 Benchmark]: Boogie Preprocessor took 32.83ms. Allocated memory is still 144.7MB. Free memory was 107.7MB in the beginning and 106.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:57,274 INFO L158 Benchmark]: RCFGBuilder took 314.03ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 94.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:26:57,275 INFO L158 Benchmark]: TraceAbstraction took 40.74ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 90.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:57,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.02ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 109.8MB in the end (delta: -159.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.73ms. Allocated memory is still 144.7MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.83ms. Allocated memory is still 144.7MB. Free memory was 107.7MB in the beginning and 106.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.03ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 94.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 40.74ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 90.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:26:57,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:26:59,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:26:59,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:26:59,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:26:59,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:26:59,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:26:59,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:26:59,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:26:59,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:26:59,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:26:59,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:26:59,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:26:59,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:26:59,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:26:59,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:26:59,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:26:59,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:26:59,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:26:59,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:26:59,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:26:59,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:26:59,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:26:59,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:26:59,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:26:59,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:26:59,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:26:59,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:26:59,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:26:59,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:26:59,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:26:59,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:26:59,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:26:59,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:26:59,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:26:59,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:26:59,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:26:59,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:26:59,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:26:59,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:26:59,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:26:59,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:26:59,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:26:59,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:26:59,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:26:59,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:26:59,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:26:59,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:26:59,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:26:59,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:26:59,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:26:59,197 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:26:59,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:26:59,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:26:59,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:26:59,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:26:59,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:26:59,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:26:59,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:26:59,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:26:59,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:26:59,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:26:59,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:26:59,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:26:59,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:26:59,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:26:59,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:26:59,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:26:59,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:26:59,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:59,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:26:59,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:26:59,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:26:59,201 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:26:59,201 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:26:59,201 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:26:59,201 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:26:59,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:26:59,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:26:59,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:26:59,202 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 [2021-12-15 12:26:59,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:26:59,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:26:59,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:26:59,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:26:59,481 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:26:59,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2021-12-15 12:26:59,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca68c80dd/c817dc59edce4da39d0eac88a5d57951/FLAG48c667046 [2021-12-15 12:26:59,965 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:26:59,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2021-12-15 12:26:59,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca68c80dd/c817dc59edce4da39d0eac88a5d57951/FLAG48c667046 [2021-12-15 12:27:00,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca68c80dd/c817dc59edce4da39d0eac88a5d57951 [2021-12-15 12:27:00,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:27:00,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:27:00,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:00,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:27:00,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:27:00,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28773a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00, skipping insertion in model container [2021-12-15 12:27:00,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:27:00,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:27:00,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2021-12-15 12:27:00,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:00,517 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:27:00,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2021-12-15 12:27:00,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:00,653 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:27:00,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00 WrapperNode [2021-12-15 12:27:00,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:00,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:00,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:27:00,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:27:00,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,747 INFO L137 Inliner]: procedures = 166, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-12-15 12:27:00,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:00,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:27:00,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:27:00,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:27:00,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:27:00,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:27:00,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:27:00,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:27:00,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:00,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:27:00,868 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) [2021-12-15 12:27:00,883 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 [2021-12-15 12:27:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:27:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:27:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:27:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:27:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:27:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:27:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:27:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:27:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:27:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:27:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:27:00,912 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:27:00,996 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:27:01,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:27:01,189 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:27:01,194 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:27:01,197 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:27:01,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:01 BoogieIcfgContainer [2021-12-15 12:27:01,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:27:01,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:27:01,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:27:01,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:27:01,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:27:00" (1/3) ... [2021-12-15 12:27:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ba1208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:01, skipping insertion in model container [2021-12-15 12:27:01,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00" (2/3) ... [2021-12-15 12:27:01,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ba1208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:01, skipping insertion in model container [2021-12-15 12:27:01,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:01" (3/3) ... [2021-12-15 12:27:01,205 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2021-12-15 12:27:01,208 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:27:01,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:27:01,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:27:01,209 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:27:01,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,233 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,233 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,234 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,234 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:01,243 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-12-15 12:27:01,249 INFO L158 Benchmark]: Toolchain (without parser) took 1237.74ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.5MB in the beginning and 38.3MB in the end (delta: -5.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-15 12:27:01,250 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:01,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.71ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 28.9MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:27:01,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.68ms. Allocated memory is still 54.5MB. Free memory was 28.9MB in the beginning and 26.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:01,252 INFO L158 Benchmark]: Boogie Preprocessor took 54.50ms. Allocated memory is still 54.5MB. Free memory was 26.8MB in the beginning and 25.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:01,253 INFO L158 Benchmark]: RCFGBuilder took 394.95ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 25.2MB in the beginning and 42.7MB in the end (delta: -17.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-12-15 12:27:01,254 INFO L158 Benchmark]: TraceAbstraction took 46.46ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 38.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:27:01,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.71ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 28.9MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.68ms. Allocated memory is still 54.5MB. Free memory was 28.9MB in the beginning and 26.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.50ms. Allocated memory is still 54.5MB. Free memory was 26.8MB in the beginning and 25.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.95ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 25.2MB in the beginning and 42.7MB in the end (delta: -17.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * TraceAbstraction took 46.46ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 38.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:27:01,293 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: UnsupportedOperationException: Set is immutable