./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe010_tso.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-wmm/safe010_tso.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 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:32,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:32,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:32,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:32,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:32,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:32,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:32,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:32,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:32,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:32,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:32,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:32,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:32,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:32,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:32,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:32,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:32,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:32,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:32,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:32,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:32,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:32,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:32,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:32,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:32,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:32,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:32,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:32,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:32,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:32,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:32,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:32,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:32,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:32,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:32,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:32,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:32,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:32,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:32,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:32,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:32,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:24:32,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:32,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:32,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:32,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:32,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:32,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:32,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:32,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:32,185 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:32,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:32,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:32,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:24:32,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:32,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:32,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:32,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:32,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:32,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:32,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:32,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:32,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:32,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:32,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:32,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:32,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:32,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:32,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:32,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:32,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:24:32,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:24:32,189 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:32,189 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:32,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:32,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:32,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 [2021-12-15 12:24:32,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:32,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:32,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:32,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:32,428 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:32,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe010_tso.i [2021-12-15 12:24:32,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7efd23e80/0c6618a5036b4e7e9c692fef7eacda39/FLAG0db986cec [2021-12-15 12:24:32,859 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:32,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe010_tso.i [2021-12-15 12:24:32,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7efd23e80/0c6618a5036b4e7e9c692fef7eacda39/FLAG0db986cec [2021-12-15 12:24:32,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7efd23e80/0c6618a5036b4e7e9c692fef7eacda39 [2021-12-15 12:24:32,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:32,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:32,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:32,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:32,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:32,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:32" (1/1) ... [2021-12-15 12:24:32,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659e7b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:32, skipping insertion in model container [2021-12-15 12:24:32,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:32" (1/1) ... [2021-12-15 12:24:32,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:32,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:33,116 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-wmm/safe010_tso.i[945,958] [2021-12-15 12:24:33,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:33,238 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:33,246 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-wmm/safe010_tso.i[945,958] [2021-12-15 12:24:33,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:33,317 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:33,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33 WrapperNode [2021-12-15 12:24:33,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:33,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:33,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:33,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:33,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,362 INFO L137 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2021-12-15 12:24:33,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:33,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:33,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:33,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:33,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:33,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:33,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:33,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:33,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (1/1) ... [2021-12-15 12:24:33,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:33,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:33,437 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 12:24:33,441 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 12:24:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:24:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:24:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:33,466 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 12:24:33,583 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:33,583 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:33,699 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:33,703 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:24:33,705 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:24:33,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:33 BoogieIcfgContainer [2021-12-15 12:24:33,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:24:33,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:24:33,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:24:33,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:24:33,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:24:32" (1/3) ... [2021-12-15 12:24:33,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad39316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:33, skipping insertion in model container [2021-12-15 12:24:33,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:33" (2/3) ... [2021-12-15 12:24:33,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad39316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:33, skipping insertion in model container [2021-12-15 12:24:33,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:33" (3/3) ... [2021-12-15 12:24:33,745 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2021-12-15 12:24:33,751 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:24:33,751 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:24:33,751 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:24:33,751 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:24:33,782 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,783 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,783 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,783 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,784 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,785 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,785 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,785 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,785 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,785 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,786 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,786 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,786 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,787 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,787 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,787 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,788 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:33,788 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 12:24:33,795 INFO L158 Benchmark]: Toolchain (without parser) took 910.38ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 110.3MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:33,795 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:33,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.99ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 64.5MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:24:33,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.88ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:33,797 INFO L158 Benchmark]: Boogie Preprocessor took 32.80ms. Allocated memory is still 98.6MB. Free memory was 62.4MB in the beginning and 61.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:33,797 INFO L158 Benchmark]: RCFGBuilder took 310.17ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 49.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:24:33,797 INFO L158 Benchmark]: TraceAbstraction took 55.07ms. Allocated memory is still 136.3MB. Free memory was 112.5MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-15 12:24:33,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.99ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 64.5MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.88ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.80ms. Allocated memory is still 98.6MB. Free memory was 62.4MB in the beginning and 61.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.17ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 49.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 55.07ms. Allocated memory is still 136.3MB. Free memory was 112.5MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.4MB. 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 12:24:33,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe010_tso.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 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:36,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:36,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:36,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:36,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:36,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:36,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:36,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:36,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:36,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:36,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:36,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:36,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:36,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:36,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:36,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:36,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:36,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:36,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:36,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:36,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:36,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:36,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:36,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:36,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:36,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:36,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:36,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:36,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:36,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:36,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:36,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:36,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:36,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:36,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:36,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:36,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:36,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:36,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:36,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:36,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:36,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:24:36,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:36,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:36,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:36,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:36,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:36,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:36,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:36,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:36,166 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:36,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:36,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:36,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:36,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:36,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:36,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:36,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:36,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:24:36,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:24:36,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:24:36,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:36,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:36,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:36,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:36,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:36,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:36,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:36,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:36,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:36,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:36,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:36,174 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:24:36,174 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:24:36,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:36,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:36,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:36,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:36,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:24:36,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 [2021-12-15 12:24:36,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:36,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:36,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:36,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:36,681 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:36,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe010_tso.i [2021-12-15 12:24:36,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0acd3d7/209bf99e85b44d8c89327e95741256ac/FLAG2c31fb9f8 [2021-12-15 12:24:37,306 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:37,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe010_tso.i [2021-12-15 12:24:37,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0acd3d7/209bf99e85b44d8c89327e95741256ac/FLAG2c31fb9f8 [2021-12-15 12:24:37,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0acd3d7/209bf99e85b44d8c89327e95741256ac [2021-12-15 12:24:37,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:37,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:37,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:37,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:37,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:37,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:37" (1/1) ... [2021-12-15 12:24:37,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a49319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:37, skipping insertion in model container [2021-12-15 12:24:37,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:37" (1/1) ... [2021-12-15 12:24:37,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:37,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:37,858 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-wmm/safe010_tso.i[945,958] [2021-12-15 12:24:38,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:38,021 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:38,032 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-wmm/safe010_tso.i[945,958] [2021-12-15 12:24:38,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:38,090 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:38,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38 WrapperNode [2021-12-15 12:24:38,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:38,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:38,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:38,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:38,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,141 INFO L137 Inliner]: procedures = 178, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2021-12-15 12:24:38,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:38,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:38,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:38,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:38,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:38,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:38,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:38,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:38,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (1/1) ... [2021-12-15 12:24:38,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:38,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:38,213 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 12:24:38,219 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 12:24:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:24:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:24:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:38,242 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 12:24:38,326 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:38,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:38,486 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:38,492 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:24:38,492 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:24:38,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:38 BoogieIcfgContainer [2021-12-15 12:24:38,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:24:38,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:24:38,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:24:38,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:24:38,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:24:37" (1/3) ... [2021-12-15 12:24:38,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c88448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:38, skipping insertion in model container [2021-12-15 12:24:38,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:38" (2/3) ... [2021-12-15 12:24:38,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c88448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:38, skipping insertion in model container [2021-12-15 12:24:38,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:38" (3/3) ... [2021-12-15 12:24:38,498 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2021-12-15 12:24:38,501 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:24:38,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:24:38,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:24:38,501 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:24:38,535 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,535 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,535 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,535 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,536 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,536 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,536 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,537 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,537 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,537 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,538 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,538 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,538 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,539 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,539 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,539 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,539 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,540 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:38,541 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 12:24:38,545 INFO L158 Benchmark]: Toolchain (without parser) took 839.83ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 36.9MB in the end (delta: 979.5kB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-15 12:24:38,546 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 44.0MB. Free memory was 26.3MB in the beginning and 26.2MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:38,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.55ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 29.1MB in the end (delta: 8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:24:38,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 56.6MB. Free memory was 29.1MB in the beginning and 27.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:38,548 INFO L158 Benchmark]: Boogie Preprocessor took 47.22ms. Allocated memory is still 56.6MB. Free memory was 27.0MB in the beginning and 39.2MB in the end (delta: -12.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:38,548 INFO L158 Benchmark]: RCFGBuilder took 303.44ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 27.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:24:38,549 INFO L158 Benchmark]: TraceAbstraction took 49.32ms. Allocated memory is still 56.6MB. Free memory was 27.5MB in the beginning and 36.9MB in the end (delta: -9.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-15 12:24:38,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 44.0MB. Free memory was 26.3MB in the beginning and 26.2MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.55ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 29.1MB in the end (delta: 8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 56.6MB. Free memory was 29.1MB in the beginning and 27.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.22ms. Allocated memory is still 56.6MB. Free memory was 27.0MB in the beginning and 39.2MB in the end (delta: -12.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.44ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 27.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 49.32ms. Allocated memory is still 56.6MB. Free memory was 27.5MB in the beginning and 36.9MB in the end (delta: -9.4MB). Peak memory consumption was 5.8MB. 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 12:24:38,585 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