./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.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 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:55,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:55,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:55,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:55,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:55,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:55,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:55,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:55,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:55,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:55,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:55,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:55,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:55,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:55,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:55,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:55,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:55,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:55,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:55,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:55,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:55,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:55,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:55,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:55,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:55,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:55,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:55,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:55,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:55,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:55,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:55,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:55,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:55,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:55,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:55,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:55,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:55,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:55,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:55,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:55,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:55,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:24:55,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:55,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:55,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:55,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:55,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:55,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:55,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:55,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:55,830 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:55,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:55,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:55,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:24:55,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:55,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:55,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:55,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:55,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:55,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:55,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:55,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:55,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:55,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:55,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:55,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:55,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:55,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:55,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:55,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:55,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:24:55,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:24:55,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:55,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:55,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:55,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:55,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2021-12-15 12:24:56,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:56,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:56,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:56,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:56,082 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:56,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-12-15 12:24:56,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f779515/80e01cf83be84125bd6f5452c2f706ab/FLAG617f19681 [2021-12-15 12:24:56,564 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:56,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-12-15 12:24:56,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f779515/80e01cf83be84125bd6f5452c2f706ab/FLAG617f19681 [2021-12-15 12:24:56,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f779515/80e01cf83be84125bd6f5452c2f706ab [2021-12-15 12:24:56,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:56,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:56,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:56,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:56,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:56,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec55073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56, skipping insertion in model container [2021-12-15 12:24:56,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:56,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:56,810 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-12-15 12:24:56,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:56,941 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:56,956 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-12-15 12:24:56,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:57,023 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:57,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57 WrapperNode [2021-12-15 12:24:57,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:57,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:57,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:57,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:57,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,077 INFO L137 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2021-12-15 12:24:57,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:57,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:57,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:57,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:57,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:57,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:57,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:57,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:57,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (1/1) ... [2021-12-15 12:24:57,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:57,151 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 12:24:57,156 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 12:24:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:24:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:24:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:24:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:24:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:24:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:24:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:57,189 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 12:24:57,294 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:57,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:57,442 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:57,450 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:24:57,450 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:24:57,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:57 BoogieIcfgContainer [2021-12-15 12:24:57,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:24:57,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:24:57,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:24:57,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:24:57,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:24:56" (1/3) ... [2021-12-15 12:24:57,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161f98a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:57, skipping insertion in model container [2021-12-15 12:24:57,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:57" (2/3) ... [2021-12-15 12:24:57,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161f98a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:24:57, skipping insertion in model container [2021-12-15 12:24:57,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:57" (3/3) ... [2021-12-15 12:24:57,469 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-12-15 12:24:57,473 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:24:57,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:24:57,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:24:57,473 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:24:57,508 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,508 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,508 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,509 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,509 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,509 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,509 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,509 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,510 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,510 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,510 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,510 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,511 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,511 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,512 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,512 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,512 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,512 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,512 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,513 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,513 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,513 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,513 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,513 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,514 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,514 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,515 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,515 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,516 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,516 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,516 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,526 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,526 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,526 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:24:57,528 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 12:24:57,536 INFO L158 Benchmark]: Toolchain (without parser) took 935.25ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 91.8MB in the end (delta: -38.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,537 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 70.9MB in the beginning and 70.9MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:57,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.89ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 56.2MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.79ms. Allocated memory is still 90.2MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,539 INFO L158 Benchmark]: Boogie Preprocessor took 28.70ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 52.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,539 INFO L158 Benchmark]: RCFGBuilder took 355.69ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 39.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,540 INFO L158 Benchmark]: TraceAbstraction took 68.86ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 39.3MB in the beginning and 91.8MB in the end (delta: -52.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 70.9MB in the beginning and 70.9MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.89ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 56.2MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.79ms. Allocated memory is still 90.2MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.70ms. Allocated memory is still 90.2MB. Free memory was 54.1MB in the beginning and 52.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.69ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 39.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 68.86ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 39.3MB in the beginning and 91.8MB in the end (delta: -52.6MB). Peak memory consumption was 11.4MB. 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 12:24:57,581 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-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.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 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:59,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:59,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:59,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:59,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:59,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:59,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:59,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:59,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:59,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:59,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:59,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:59,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:59,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:59,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:59,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:59,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:59,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:59,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:59,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:59,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:59,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:59,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:59,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:59,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:59,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:59,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:59,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:59,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:59,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:59,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:59,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:59,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:59,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:59,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:59,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:59,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:59,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:59,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:59,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:59,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:59,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:24:59,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:59,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:59,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:59,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:59,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:59,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:59,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:59,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:59,352 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:59,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:59,353 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:59,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:59,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:59,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:59,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:59,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:59,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:24:59,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:24:59,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:24:59,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:59,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:59,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:59,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:59,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:59,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:59,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:59,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:59,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:59,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:59,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:59,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:24:59,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:24:59,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:59,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:59,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:59,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:59,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:24:59,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2021-12-15 12:24:59,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:59,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:59,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:59,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:59,645 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:59,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-12-15 12:24:59,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0126f30eb/80dd81077939494091638b8a76d34a3b/FLAGf42001dff [2021-12-15 12:25:00,175 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:25:00,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-12-15 12:25:00,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0126f30eb/80dd81077939494091638b8a76d34a3b/FLAGf42001dff [2021-12-15 12:25:00,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0126f30eb/80dd81077939494091638b8a76d34a3b [2021-12-15 12:25:00,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:25:00,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:25:00,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:00,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:25:00,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:25:00,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:00,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0d0f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00, skipping insertion in model container [2021-12-15 12:25:00,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:00,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:25:00,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:25:00,726 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-12-15 12:25:00,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:00,884 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:25:00,896 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-12-15 12:25:00,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:00,951 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:25:00,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00 WrapperNode [2021-12-15 12:25:00,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:00,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:00,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:25:00,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:25:00,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:00,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:00,998 INFO L137 Inliner]: procedures = 180, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2021-12-15 12:25:01,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:01,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:25:01,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:25:01,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:25:01,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:25:01,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:25:01,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:25:01,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:25:01,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (1/1) ... [2021-12-15 12:25:01,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:01,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:25:01,065 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 12:25:01,071 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 12:25:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:25:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:25:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:25:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:25:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:25:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:25:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:25:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:25:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:25:01,104 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:25:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:25:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:25:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:25:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:25:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:25:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:25:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:25:01,106 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 12:25:01,247 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:25:01,249 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:25:01,461 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:25:01,467 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:25:01,467 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:25:01,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:25:01 BoogieIcfgContainer [2021-12-15 12:25:01,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:25:01,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:25:01,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:25:01,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:25:01,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:25:00" (1/3) ... [2021-12-15 12:25:01,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c429a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:25:01, skipping insertion in model container [2021-12-15 12:25:01,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:00" (2/3) ... [2021-12-15 12:25:01,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c429a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:25:01, skipping insertion in model container [2021-12-15 12:25:01,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:25:01" (3/3) ... [2021-12-15 12:25:01,476 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-12-15 12:25:01,481 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:25:01,482 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:25:01,482 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:25:01,482 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:25:01,517 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,519 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,519 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,519 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,520 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,520 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,520 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,520 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,521 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,522 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,523 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,526 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,526 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,527 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,528 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,528 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,528 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,528 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,529 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,529 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,529 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:25:01,530 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 12:25:01,536 INFO L158 Benchmark]: Toolchain (without parser) took 1030.76ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 44.3MB in the beginning and 50.2MB in the end (delta: -6.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-12-15 12:25:01,537 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:25:01,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.84ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 37.3MB in the end (delta: 6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:25:01,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.04ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 34.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:25:01,539 INFO L158 Benchmark]: Boogie Preprocessor took 38.43ms. Allocated memory is still 65.0MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:25:01,540 INFO L158 Benchmark]: RCFGBuilder took 430.25ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 56.1MB in the end (delta: -22.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-12-15 12:25:01,540 INFO L158 Benchmark]: TraceAbstraction took 62.18ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 50.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:25:01,548 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 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.84ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 37.3MB in the end (delta: 6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.04ms. Allocated memory is still 65.0MB. Free memory was 37.3MB in the beginning and 34.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.43ms. Allocated memory is still 65.0MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 430.25ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 56.1MB in the end (delta: -22.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * TraceAbstraction took 62.18ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 50.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:25:01,578 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