./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_p.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/pthread/bigshot_p.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 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:20:30,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:20:30,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:20:30,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:20:30,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:20:30,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:20:30,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:20:30,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:20:30,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:20:30,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:20:30,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:20:30,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:20:30,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:20:30,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:20:30,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:20:30,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:20:30,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:20:30,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:20:30,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:20:30,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:20:30,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:20:30,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:20:30,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:20:30,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:20:30,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:20:30,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:20:30,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:20:30,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:20:30,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:20:30,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:20:30,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:20:30,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:20:30,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:20:30,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:20:30,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:20:30,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:20:30,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:20:30,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:20:30,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:20:30,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:20:30,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:20:30,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:20:30,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:20:30,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:20:30,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:20:30,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:20:30,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:20:30,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:20:30,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:20:30,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:20:30,745 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:20:30,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:20:30,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:20:30,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:20:30,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:20:30,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:20:30,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:20:30,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:20:30,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:20:30,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:20:30,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:20:30,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:20:30,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:20:30,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:20:30,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:20:30,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:20:30,749 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:20:30,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:20:30,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:20:30,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:20:30,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2021-12-15 12:20:30,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:20:30,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:20:30,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:20:30,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:20:30,979 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:20:30,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_p.i [2021-12-15 12:20:31,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b848d0c34/f9d2faf4ace0479eab6d10994fa39e6c/FLAG5a51ebfd3 [2021-12-15 12:20:31,489 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:20:31,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_p.i [2021-12-15 12:20:31,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b848d0c34/f9d2faf4ace0479eab6d10994fa39e6c/FLAG5a51ebfd3 [2021-12-15 12:20:31,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b848d0c34/f9d2faf4ace0479eab6d10994fa39e6c [2021-12-15 12:20:31,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:20:31,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:20:31,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:20:31,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:20:31,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:20:31,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:31,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468b7121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31, skipping insertion in model container [2021-12-15 12:20:31,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:31,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:20:31,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:20:31,895 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/pthread/bigshot_p.i[55202,55215] [2021-12-15 12:20:31,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:20:31,915 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:20:31,949 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/pthread/bigshot_p.i[55202,55215] [2021-12-15 12:20:31,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:20:31,998 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:20:31,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31 WrapperNode [2021-12-15 12:20:31,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:20:31,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:20:31,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:20:31,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:20:32,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,058 INFO L137 Inliner]: procedures = 324, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2021-12-15 12:20:32,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:20:32,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:20:32,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:20:32,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:20:32,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:20:32,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:20:32,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:20:32,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:20:32,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (1/1) ... [2021-12-15 12:20:32,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:20:32,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:20:32,128 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 12:20:32,129 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 12:20:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:20:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:20:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:20:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:20:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:20:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:20:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:20:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:20:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:20:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:20:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:20:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:20:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:20:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:20:32,161 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 12:20:32,253 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:20:32,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:20:32,451 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:20:32,456 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:20:32,456 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 12:20:32,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:32 BoogieIcfgContainer [2021-12-15 12:20:32,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:20:32,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:20:32,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:20:32,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:20:32,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:20:31" (1/3) ... [2021-12-15 12:20:32,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2212594c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:20:32, skipping insertion in model container [2021-12-15 12:20:32,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:31" (2/3) ... [2021-12-15 12:20:32,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2212594c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:20:32, skipping insertion in model container [2021-12-15 12:20:32,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:32" (3/3) ... [2021-12-15 12:20:32,466 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2021-12-15 12:20:32,470 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:20:32,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:20:32,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:20:32,470 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:20:32,503 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,514 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,543 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,543 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,544 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,544 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,544 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,544 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:32,552 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 12:20:32,557 INFO L158 Benchmark]: Toolchain (without parser) took 1025.13ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 69.3MB in the beginning and 103.9MB in the end (delta: -34.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-12-15 12:20:32,557 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 77.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:20:32,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.54ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 59.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:20:32,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.37ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 57.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:20:32,559 INFO L158 Benchmark]: Boogie Preprocessor took 41.23ms. Allocated memory is still 107.0MB. Free memory was 57.2MB in the beginning and 55.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:20:32,560 INFO L158 Benchmark]: RCFGBuilder took 357.66ms. Allocated memory is still 107.0MB. Free memory was 55.7MB in the beginning and 43.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:20:32,560 INFO L158 Benchmark]: TraceAbstraction took 93.99ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 42.2MB in the beginning and 103.9MB in the end (delta: -61.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-12-15 12:20:32,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 77.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.54ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 59.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.37ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 57.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.23ms. Allocated memory is still 107.0MB. Free memory was 57.2MB in the beginning and 55.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.66ms. Allocated memory is still 107.0MB. Free memory was 55.7MB in the beginning and 43.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 93.99ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 42.2MB in the beginning and 103.9MB in the end (delta: -61.7MB). Peak memory consumption was 12.1MB. 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 12:20:32,601 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/pthread/bigshot_p.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 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:20:34,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:20:34,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:20:34,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:20:34,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:20:34,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:20:34,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:20:34,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:20:34,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:20:34,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:20:34,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:20:34,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:20:34,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:20:34,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:20:34,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:20:34,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:20:34,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:20:34,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:20:34,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:20:34,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:20:34,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:20:34,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:20:34,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:20:34,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:20:34,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:20:34,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:20:34,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:20:34,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:20:34,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:20:34,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:20:34,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:20:34,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:20:34,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:20:34,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:20:34,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:20:34,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:20:34,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:20:34,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:20:34,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:20:34,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:20:34,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:20:34,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:20:34,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:20:34,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:20:34,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:20:34,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:20:34,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:20:34,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:20:34,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:20:34,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:20:34,282 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:20:34,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:20:34,283 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:20:34,284 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:20:34,284 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:20:34,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:20:34,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:20:34,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:20:34,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:20:34,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:20:34,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:20:34,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:20:34,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:20:34,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:20:34,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:20:34,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:20:34,292 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:20:34,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:20:34,292 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:20:34,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:20:34,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:20:34,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:20:34,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:20:34,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2021-12-15 12:20:34,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:20:34,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:20:34,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:20:34,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:20:34,564 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:20:34,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_p.i [2021-12-15 12:20:34,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49744da0f/b8302b0186364428991a9423e4981859/FLAG338ad143f [2021-12-15 12:20:35,044 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:20:35,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_p.i [2021-12-15 12:20:35,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49744da0f/b8302b0186364428991a9423e4981859/FLAG338ad143f [2021-12-15 12:20:35,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49744da0f/b8302b0186364428991a9423e4981859 [2021-12-15 12:20:35,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:20:35,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:20:35,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:20:35,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:20:35,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:20:35,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f011ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35, skipping insertion in model container [2021-12-15 12:20:35,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:20:35,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:20:35,532 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/pthread/bigshot_p.i[55202,55215] [2021-12-15 12:20:35,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:20:35,557 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:20:35,594 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/pthread/bigshot_p.i[55202,55215] [2021-12-15 12:20:35,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:20:35,672 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:20:35,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35 WrapperNode [2021-12-15 12:20:35,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:20:35,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:20:35,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:20:35,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:20:35,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,749 INFO L137 Inliner]: procedures = 328, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2021-12-15 12:20:35,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:20:35,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:20:35,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:20:35,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:20:35,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:20:35,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:20:35,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:20:35,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:20:35,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (1/1) ... [2021-12-15 12:20:35,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:20:35,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:20:35,811 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 12:20:35,814 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 12:20:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:20:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:20:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:20:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:20:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:20:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:20:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-15 12:20:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-15 12:20:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-15 12:20:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-15 12:20:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:20:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:20:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:20:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:20:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:20:35,842 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 12:20:35,969 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:20:35,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:20:36,094 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:20:36,099 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:20:36,100 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 12:20:36,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:36 BoogieIcfgContainer [2021-12-15 12:20:36,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:20:36,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:20:36,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:20:36,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:20:36,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:20:35" (1/3) ... [2021-12-15 12:20:36,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e91ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:20:36, skipping insertion in model container [2021-12-15 12:20:36,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:35" (2/3) ... [2021-12-15 12:20:36,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e91ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:20:36, skipping insertion in model container [2021-12-15 12:20:36,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:36" (3/3) ... [2021-12-15 12:20:36,109 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2021-12-15 12:20:36,113 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:20:36,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:20:36,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:20:36,114 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:20:36,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,146 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,147 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,148 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#amountOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#sizeOfFields#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#product#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#Ultimate.meminit_#ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,162 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:20:36,163 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 12:20:36,167 INFO L158 Benchmark]: Toolchain (without parser) took 1090.60ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 39.9MB in the end (delta: 3.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-12-15 12:20:36,168 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:20:36,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.35ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 25.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:20:36,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.93ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 63.0MB in the end (delta: -37.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-15 12:20:36,169 INFO L158 Benchmark]: Boogie Preprocessor took 33.67ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 61.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:20:36,170 INFO L158 Benchmark]: RCFGBuilder took 318.57ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 48.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:20:36,170 INFO L158 Benchmark]: TraceAbstraction took 61.91ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 39.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:20:36,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.35ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 25.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.93ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 63.0MB in the end (delta: -37.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.67ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 61.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.57ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 48.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 61.91ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 39.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. 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 12:20:36,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable