./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.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_19-publish-precision_unknown_2_neg.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 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:26:50,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:26:50,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:26:50,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:26:50,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:26:50,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:26:50,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:26:50,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:26:50,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:26:50,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:26:50,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:26:50,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:26:50,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:26:50,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:26:50,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:26:50,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:26:50,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:26:50,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:26:50,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:26:50,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:26:50,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:26:50,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:26:50,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:26:50,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:26:50,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:26:50,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:26:50,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:26:50,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:26:50,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:26:50,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:26:50,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:26:50,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:26:50,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:26:50,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:26:50,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:26:50,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:26:50,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:26:50,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:26:50,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:26:50,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:26:50,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:26:50,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:26:50,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:26:50,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:26:50,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:26:50,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:26:50,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:26:50,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:26:50,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:26:50,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:26:50,180 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:26:50,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:26:50,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:26:50,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:26:50,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:26:50,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:26:50,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:26:50,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:26:50,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:26:50,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:26:50,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:50,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:26:50,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:26:50,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:26:50,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:26:50,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:26:50,185 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:26:50,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:26:50,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:26:50,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:26:50,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2021-12-15 12:26:50,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:26:50,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:26:50,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:26:50,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:26:50,402 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:26:50,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2021-12-15 12:26:50,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608366791/a6d0e70607c64c2191d68dd53a9310db/FLAG002f84ec6 [2021-12-15 12:26:50,844 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:26:50,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2021-12-15 12:26:50,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608366791/a6d0e70607c64c2191d68dd53a9310db/FLAG002f84ec6 [2021-12-15 12:26:51,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608366791/a6d0e70607c64c2191d68dd53a9310db [2021-12-15 12:26:51,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:26:51,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:26:51,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:26:51,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:26:51,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:26:51,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc1b5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51, skipping insertion in model container [2021-12-15 12:26:51,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:26:51,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:26:51,467 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2021-12-15 12:26:51,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:26:51,561 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:26:51,570 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2021-12-15 12:26:51,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:26:51,633 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:26:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51 WrapperNode [2021-12-15 12:26:51,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:26:51,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:26:51,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:26:51,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:26:51,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,668 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-12-15 12:26:51,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:26:51,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:26:51,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:26:51,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:26:51,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:26:51,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:26:51,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:26:51,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:26:51,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (1/1) ... [2021-12-15 12:26:51,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:26:51,754 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 12:26:51,773 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 12:26:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:26:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:26:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:26:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:26:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:26:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:26:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:26:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:26:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:26:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:26:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:26:51,793 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 12:26:51,894 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:26:51,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:26:52,038 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:26:52,045 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:26:52,045 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:26:52,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:26:52 BoogieIcfgContainer [2021-12-15 12:26:52,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:26:52,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:26:52,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:26:52,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:26:52,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:26:51" (1/3) ... [2021-12-15 12:26:52,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b61221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:26:52, skipping insertion in model container [2021-12-15 12:26:52,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:51" (2/3) ... [2021-12-15 12:26:52,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b61221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:26:52, skipping insertion in model container [2021-12-15 12:26:52,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:26:52" (3/3) ... [2021-12-15 12:26:52,053 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2021-12-15 12:26:52,056 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:26:52,057 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:26:52,057 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:26:52,057 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:26:52,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:52,087 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 12:26:52,092 INFO L158 Benchmark]: Toolchain (without parser) took 852.36ms. Allocated memory is still 184.5MB. Free memory was 157.3MB in the beginning and 132.4MB in the end (delta: 24.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:52,092 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:26:52,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.62ms. Allocated memory is still 184.5MB. Free memory was 157.3MB in the beginning and 152.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:26:52,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.41ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:52,094 INFO L158 Benchmark]: Boogie Preprocessor took 34.91ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 149.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:52,095 INFO L158 Benchmark]: RCFGBuilder took 342.76ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 136.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:26:52,095 INFO L158 Benchmark]: TraceAbstraction took 41.25ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 132.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:26:52,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.62ms. Allocated memory is still 184.5MB. Free memory was 157.3MB in the beginning and 152.7MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.41ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.91ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 149.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.76ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 136.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 41.25ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 132.4MB in the end (delta: 3.5MB). 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 12:26:52,131 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_19-publish-precision_unknown_2_neg.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 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:26:53,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:26:53,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:26:53,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:26:53,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:26:53,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:26:53,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:26:53,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:26:53,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:26:53,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:26:53,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:26:53,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:26:53,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:26:53,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:26:53,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:26:53,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:26:53,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:26:53,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:26:53,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:26:53,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:26:53,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:26:53,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:26:53,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:26:53,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:26:53,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:26:53,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:26:53,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:26:53,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:26:53,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:26:53,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:26:53,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:26:53,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:26:53,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:26:53,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:26:53,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:26:53,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:26:53,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:26:53,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:26:53,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:26:53,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:26:53,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:26:53,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:26:53,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:26:53,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:26:53,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:26:53,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:26:53,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:26:53,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:26:53,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:26:53,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:26:53,980 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:26:53,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:26:53,981 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:26:53,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:26:53,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:26:53,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:26:53,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:26:53,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:26:53,982 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:26:53,982 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:26:53,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:26:53,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:26:53,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:26:53,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:26:53,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:26:53,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:26:53,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:26:53,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:26:53,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:53,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:26:53,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:26:53,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:26:53,984 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:26:53,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:26:53,985 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:26:53,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:26:53,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:26:53,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:26:53,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:26:53,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2021-12-15 12:26:54,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:26:54,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:26:54,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:26:54,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:26:54,313 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:26:54,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2021-12-15 12:26:54,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeef3c002/db54d610ec814068b4fb61fefc68fff9/FLAGc30c2e521 [2021-12-15 12:26:54,738 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:26:54,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2021-12-15 12:26:54,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeef3c002/db54d610ec814068b4fb61fefc68fff9/FLAGc30c2e521 [2021-12-15 12:26:55,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeef3c002/db54d610ec814068b4fb61fefc68fff9 [2021-12-15 12:26:55,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:26:55,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:26:55,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:26:55,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:26:55,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:26:55,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e42800d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55, skipping insertion in model container [2021-12-15 12:26:55,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:26:55,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:26:55,326 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2021-12-15 12:26:55,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:26:55,501 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:26:55,512 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2021-12-15 12:26:55,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:26:55,576 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:26:55,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55 WrapperNode [2021-12-15 12:26:55,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:26:55,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:26:55,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:26:55,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:26:55,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,628 INFO L137 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-12-15 12:26:55,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:26:55,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:26:55,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:26:55,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:26:55,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:26:55,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:26:55,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:26:55,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:26:55,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (1/1) ... [2021-12-15 12:26:55,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:55,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:26:55,700 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 12:26:55,745 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 12:26:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:26:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:26:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:26:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:26:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:26:55,761 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 12:26:55,832 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:26:55,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:26:56,010 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:26:56,014 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:26:56,015 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:26:56,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:26:56 BoogieIcfgContainer [2021-12-15 12:26:56,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:26:56,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:26:56,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:26:56,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:26:56,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:26:55" (1/3) ... [2021-12-15 12:26:56,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7dc1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:26:56, skipping insertion in model container [2021-12-15 12:26:56,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:26:55" (2/3) ... [2021-12-15 12:26:56,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7dc1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:26:56, skipping insertion in model container [2021-12-15 12:26:56,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:26:56" (3/3) ... [2021-12-15 12:26:56,038 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2021-12-15 12:26:56,041 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:26:56,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:26:56,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:26:56,042 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:26:56,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,067 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,067 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:26:56,073 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 12:26:56,078 INFO L158 Benchmark]: Toolchain (without parser) took 951.05ms. Allocated memory is still 56.6MB. Free memory was 40.5MB in the beginning and 25.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-12-15 12:26:56,079 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:26:56,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.72ms. Allocated memory is still 56.6MB. Free memory was 40.3MB in the beginning and 31.3MB in the end (delta: 9.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:26:56,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.80ms. Allocated memory is still 56.6MB. Free memory was 31.3MB in the beginning and 29.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:56,081 INFO L158 Benchmark]: Boogie Preprocessor took 38.64ms. Allocated memory is still 56.6MB. Free memory was 29.2MB in the beginning and 27.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:56,090 INFO L158 Benchmark]: RCFGBuilder took 354.61ms. Allocated memory is still 56.6MB. Free memory was 27.7MB in the beginning and 29.9MB in the end (delta: -2.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-15 12:26:56,090 INFO L158 Benchmark]: TraceAbstraction took 52.46ms. Allocated memory is still 56.6MB. Free memory was 29.4MB in the beginning and 25.7MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:26:56,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.72ms. Allocated memory is still 56.6MB. Free memory was 40.3MB in the beginning and 31.3MB in the end (delta: 9.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.80ms. Allocated memory is still 56.6MB. Free memory was 31.3MB in the beginning and 29.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.64ms. Allocated memory is still 56.6MB. Free memory was 29.2MB in the beginning and 27.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.61ms. Allocated memory is still 56.6MB. Free memory was 27.7MB in the beginning and 29.9MB in the end (delta: -2.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * TraceAbstraction took 52.46ms. Allocated memory is still 56.6MB. Free memory was 29.4MB in the beginning and 25.7MB 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 12:26:56,133 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