./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_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_38-traces-ex-4-switch_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 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:26:58,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:26:58,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:26:58,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:26:58,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:26:58,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:26:58,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:26:58,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:26:58,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:26:58,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:26:58,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:26:58,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:26:58,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:26:58,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:26:58,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:26:58,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:26:58,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:26:58,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:26:58,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:26:58,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:26:58,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:26:58,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:26:58,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:26:58,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:26:58,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:26:58,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:26:58,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:26:58,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:26:58,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:26:58,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:26:58,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:26:58,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:26:58,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:26:58,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:26:58,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:26:58,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:26:58,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:26:58,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:26:58,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:26:58,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:26:58,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:26:58,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:26:58,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:26:59,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:26:59,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:26:59,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:26:59,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:26:59,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:26:59,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:26:59,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:26:59,002 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:26:59,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:26:59,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:26:59,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:26:59,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:26:59,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:26:59,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:26:59,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:26:59,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:26:59,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:26:59,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:26:59,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:26:59,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:26:59,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:26:59,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:26:59,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:26:59,007 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:26:59,007 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:26:59,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:26:59,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:26:59,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 [2021-12-15 12:26:59,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:26:59,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:26:59,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:26:59,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:26:59,242 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:26:59,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2021-12-15 12:26:59,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa580179/61ad0194ab4f42799ad7ebafea52935f/FLAG79d7a657a [2021-12-15 12:26:59,650 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:26:59,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2021-12-15 12:26:59,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa580179/61ad0194ab4f42799ad7ebafea52935f/FLAG79d7a657a [2021-12-15 12:27:00,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aa580179/61ad0194ab4f42799ad7ebafea52935f [2021-12-15 12:27:00,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:27:00,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:27:00,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:00,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:27:00,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:27:00,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c4c779 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 12:27:00,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:00" (1/1) ... [2021-12-15 12:27:00,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:27:00,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:27:00,196 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_38-traces-ex-4-switch_true.i[1095,1108] [2021-12-15 12:27:00,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:00,348 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:27:00,359 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_38-traces-ex-4-switch_true.i[1095,1108] [2021-12-15 12:27:00,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:00,419 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:27:00,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:00 WrapperNode [2021-12-15 12:27:00,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:00,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:00,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:27:00,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:27:00,425 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 12:27:00,446 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 12:27:00,463 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-12-15 12:27:00,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:00,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:27:00,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:27:00,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:27:00,470 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 12:27:00,470 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 12:27:00,474 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 12:27:00,474 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 12:27:00,487 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 12:27:00,488 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 12:27:00,492 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 12:27:00,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:27:00,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:27:00,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:27:00,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:27:00,496 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 12:27:00,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:00,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:27:00,544 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 12:27:00,572 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 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:27:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:27:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:27:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:27:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:27:00,585 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 12:27:00,695 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:27:00,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:27:00,836 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:27:00,845 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:27:00,846 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:27:00,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:00 BoogieIcfgContainer [2021-12-15 12:27:00,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:27:00,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:27:00,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:27:00,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:27:00,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:27:00" (1/3) ... [2021-12-15 12:27:00,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec53745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:00, skipping insertion in model container [2021-12-15 12:27:00,853 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 12:27:00,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec53745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:00, skipping insertion in model container [2021-12-15 12:27:00,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:00" (3/3) ... [2021-12-15 12:27:00,854 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2021-12-15 12:27:00,857 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:27:00,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:27:00,858 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:27:00,858 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:27:00,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,886 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:00,886 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 12:27:00,893 INFO L158 Benchmark]: Toolchain (without parser) took 871.00ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 42.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-12-15 12:27:00,894 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 62.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:00,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.80ms. Allocated memory is still 90.2MB. Free memory was 45.1MB in the beginning and 60.5MB in the end (delta: -15.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-12-15 12:27:00,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.92ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:00,897 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 90.2MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:00,898 INFO L158 Benchmark]: RCFGBuilder took 352.28ms. Allocated memory is still 90.2MB. Free memory was 57.4MB in the beginning and 46.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:27:00,899 INFO L158 Benchmark]: TraceAbstraction took 42.54ms. Allocated memory is still 90.2MB. Free memory was 45.5MB in the beginning and 42.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:27:00,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 62.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.80ms. Allocated memory is still 90.2MB. Free memory was 45.1MB in the beginning and 60.5MB in the end (delta: -15.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.92ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 90.2MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.28ms. Allocated memory is still 90.2MB. Free memory was 57.4MB in the beginning and 46.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 42.54ms. Allocated memory is still 90.2MB. Free memory was 45.5MB in the beginning and 42.0MB 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 12:27:00,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_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 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:27:02,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:27:02,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:27:02,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:27:02,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:27:02,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:27:02,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:27:02,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:27:02,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:27:02,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:27:02,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:27:02,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:27:02,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:27:02,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:27:02,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:27:02,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:27:02,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:27:02,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:27:02,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:27:02,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:27:02,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:27:02,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:27:02,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:27:02,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:27:02,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:27:02,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:27:02,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:27:02,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:27:02,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:27:02,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:27:02,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:27:02,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:27:02,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:27:02,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:27:02,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:27:02,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:27:02,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:27:02,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:27:02,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:27:02,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:27:02,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:27:02,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:27:02,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:27:02,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:27:02,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:27:02,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:27:02,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:27:02,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:27:02,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:27:02,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:27:02,924 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:27:02,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:27:02,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:27:02,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:27:02,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:27:02,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:27:02,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:27:02,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:27:02,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:27:02,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:27:02,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:27:02,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:27:02,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:27:02,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:27:02,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:27:02,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:27:02,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:27:02,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:27:02,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:02,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:27:02,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:27:02,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:27:02,937 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:27:02,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:27:02,937 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:27:02,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:27:02,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:27:02,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:27:02,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:27:02,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 [2021-12-15 12:27:03,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:27:03,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:27:03,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:27:03,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:27:03,238 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:27:03,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2021-12-15 12:27:03,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89bf8c14b/182156b31eaa4a5cb39727facedd79ca/FLAG90dfde78d [2021-12-15 12:27:03,744 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:27:03,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2021-12-15 12:27:03,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89bf8c14b/182156b31eaa4a5cb39727facedd79ca/FLAG90dfde78d [2021-12-15 12:27:04,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89bf8c14b/182156b31eaa4a5cb39727facedd79ca [2021-12-15 12:27:04,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:27:04,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:27:04,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:04,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:27:04,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:27:04,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2134a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04, skipping insertion in model container [2021-12-15 12:27:04,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:27:04,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:27:04,175 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_38-traces-ex-4-switch_true.i[1095,1108] [2021-12-15 12:27:04,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:04,346 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:27:04,353 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_38-traces-ex-4-switch_true.i[1095,1108] [2021-12-15 12:27:04,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:04,392 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:27:04,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04 WrapperNode [2021-12-15 12:27:04,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:04,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:04,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:27:04,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:27:04,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,420 INFO L137 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-12-15 12:27:04,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:04,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:27:04,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:27:04,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:27:04,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:27:04,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:27:04,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:27:04,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:27:04,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (1/1) ... [2021-12-15 12:27:04,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:27:04,459 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 12:27:04,478 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 12:27:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:27:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:27:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:27:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:27:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:27:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:27:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:27:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:27:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:27:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:27:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:27:04,491 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 12:27:04,635 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:27:04,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:27:04,759 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:27:04,765 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:27:04,768 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:27:04,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:04 BoogieIcfgContainer [2021-12-15 12:27:04,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:27:04,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:27:04,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:27:04,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:27:04,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:27:04" (1/3) ... [2021-12-15 12:27:04,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121fe1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:04, skipping insertion in model container [2021-12-15 12:27:04,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:04" (2/3) ... [2021-12-15 12:27:04,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121fe1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:04, skipping insertion in model container [2021-12-15 12:27:04,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:04" (3/3) ... [2021-12-15 12:27:04,779 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2021-12-15 12:27:04,783 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:27:04,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:27:04,783 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:27:04,783 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:27:04,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,804 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,804 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,805 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,805 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:04,809 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 12:27:04,811 INFO L158 Benchmark]: Toolchain (without parser) took 790.17ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 29.6MB in the beginning and 49.9MB in the end (delta: -20.4MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2021-12-15 12:27:04,812 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:04,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.71ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 29.4MB in the beginning and 50.5MB in the end (delta: -21.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-15 12:27:04,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.08ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 48.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:04,813 INFO L158 Benchmark]: Boogie Preprocessor took 16.05ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:04,813 INFO L158 Benchmark]: RCFGBuilder took 332.45ms. Allocated memory is still 77.6MB. Free memory was 46.8MB in the beginning and 54.1MB in the end (delta: -7.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-15 12:27:04,814 INFO L158 Benchmark]: TraceAbstraction took 38.83ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 49.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:27:04,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.71ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 29.4MB in the beginning and 50.5MB in the end (delta: -21.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.08ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 48.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.05ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.45ms. Allocated memory is still 77.6MB. Free memory was 46.8MB in the beginning and 54.1MB in the end (delta: -7.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 38.83ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 49.9MB in the end (delta: 3.8MB). 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 12:27:04,843 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