/usr/bin/java -Xmx15000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --chcsolver.chc.solver.backend TREEAUTOMIZER --chcsolver.produce.chc.model.if.query.is.sat false --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat true --rcfgbuilder.smt.solver Internal_SMTInterpol -i ../../../trunk/examples/threadmodular/regression/lock/lock.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 17:29:08,580 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 17:29:08,650 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf [2023-06-12 17:29:08,661 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 17:29:08,663 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 17:29:08,663 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 17:29:08,663 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 17:29:08,664 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 17:29:08,664 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 17:29:08,670 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 17:29:08,670 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 17:29:08,670 INFO L137 SettingsManager]: * Thread-Modular Proof Level=1 [2023-06-12 17:29:08,670 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-06-12 17:29:08,672 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 17:29:08,672 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 17:29:08,672 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 17:29:08,672 INFO L137 SettingsManager]: * File name=CHC_conditional 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMT solver -> Internal_SMTInterpol [2023-06-12 17:29:08,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 17:29:08,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 17:29:08,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 17:29:08,918 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 17:29:08,918 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 17:29:08,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl [2023-06-12 17:29:08,920 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl' [2023-06-12 17:29:08,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 17:29:08,941 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 17:29:08,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 17:29:08,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 17:29:08,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 17:29:08,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 17:29:08,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 17:29:08,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 17:29:08,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 17:29:08,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 05:29:08" (1/1) ... [2023-06-12 17:29:08,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-06-12 17:29:09,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-06-12 17:29:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-06-12 17:29:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-06-12 17:29:09,060 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 17:29:09,061 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 17:29:09,064 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-12 17:29:09,113 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 17:29:09,128 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-06-12 17:29:09,129 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 17:29:09,131 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:29:09 BoogieIcfgContainer [2023-06-12 17:29:09,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 17:29:09,131 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 17:29:09,132 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 17:29:09,132 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 17:29:09,138 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:29:09" (1/1) ... [2023-06-12 17:29:09,354 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 05:29:09 HornClauseAST [2023-06-12 17:29:09,354 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 17:29:09,355 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 17:29:09,355 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 17:29:09,355 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 17:29:09,359 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 05:29:09" (1/1) ... [2023-06-12 17:29:09,360 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/CHC_conditional_lock.bpl_UID7332378906483236713.smt2 [2023-06-12 17:29:09,372 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 17:29:09,373 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 17:29:09,373 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 17:29:09,373 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 17:29:09,375 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 05:29:09" (1/1) ... [2023-06-12 17:29:09,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-06-12 17:30:32,779 INFO L181 TreeAutomizerCEGAR]: The horn clause set is SAT!! [2023-06-12 17:30:32,779 INFO L183 TreeAutomizerCEGAR]: states of the final abstraction: (i.e., the model for the uninterpreted predicates) [2023-06-12 17:30:32,781 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.06 05:30:32 ChcSolution [2023-06-12 17:30:32,781 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-06-12 17:30:32,783 INFO L158 Benchmark]: Toolchain (without parser) took 83841.26ms. Allocated memory was 379.6MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 337.1MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 15.0GB. [2023-06-12 17:30:32,783 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 379.6MB. Free memory is still 338.2MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 17:30:32,787 INFO L158 Benchmark]: Boogie Preprocessor took 26.30ms. Allocated memory is still 379.6MB. Free memory was 337.1MB in the beginning and 335.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 17:30:32,788 INFO L158 Benchmark]: RCFGBuilder took 161.65ms. Allocated memory is still 379.6MB. Free memory was 335.2MB in the beginning and 326.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. [2023-06-12 17:30:32,789 INFO L158 Benchmark]: IcfgToChc took 222.88ms. Allocated memory is still 379.6MB. Free memory was 326.1MB in the beginning and 321.2MB in the end (delta: 4.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 17:30:32,789 INFO L158 Benchmark]: ChcSmtPrinter took 17.61ms. Allocated memory is still 379.6MB. Free memory was 321.2MB in the beginning and 320.4MB in the end (delta: 846.9kB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 17:30:32,790 INFO L158 Benchmark]: ChcSolver took 83408.30ms. Allocated memory was 379.6MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 320.4MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 1.5GB. Max. memory is 15.0GB. [2023-06-12 17:30:32,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15ms. Allocated memory is still 379.6MB. Free memory is still 338.2MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 26.30ms. Allocated memory is still 379.6MB. Free memory was 337.1MB in the beginning and 335.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 161.65ms. Allocated memory is still 379.6MB. Free memory was 335.2MB in the beginning and 326.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. * IcfgToChc took 222.88ms. Allocated memory is still 379.6MB. Free memory was 326.1MB in the beginning and 321.2MB in the end (delta: 4.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSmtPrinter took 17.61ms. Allocated memory is still 379.6MB. Free memory was 321.2MB in the beginning and 320.4MB in the end (delta: 846.9kB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 83408.30ms. Allocated memory was 379.6MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 320.4MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 1.5GB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcSatResult: SAT The given horn clause set is SAT RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...