/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/inc-dec-geq0/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --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/inc-dec-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 11:59:50,188 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 11:59:50,220 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/ThreadModularVerifier.Settings.epf [2023-06-12 11:59:50,224 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 11:59:50,225 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 11:59:50,225 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 11:59:50,226 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 11:59:50,226 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 11:59:50,226 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 11:59:50,227 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 11:59:50,227 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 11:59:50,227 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 11:59:50,228 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 11:59:50,228 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 11:59:50,228 INFO L137 SettingsManager]: * File name=CHC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMT solver -> Internal_SMTInterpol [2023-06-12 11:59:50,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 11:59:50,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 11:59:50,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 11:59:50,369 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 11:59:50,369 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 11:59:50,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl [2023-06-12 11:59:50,370 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl' [2023-06-12 11:59:50,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 11:59:50,382 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 11:59:50,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 11:59:50,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 11:59:50,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 11:59:50,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 11:59:50,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 11:59:50,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 11:59:50,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 11:59:50,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-06-12 11:59:50,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 11:59:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 11:59:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 11:59:50,466 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 11:59:50,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 11:59:50,469 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-12 11:59:50,501 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 11:59:50,504 INFO L294 CfgBuilder]: Using library mode [2023-06-12 11:59:50,505 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 11:59:50,506 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 11:59:50 BoogieIcfgContainer [2023-06-12 11:59:50,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 11:59:50,506 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 11:59:50,507 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 11:59:50,507 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 11:59:50,508 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,672 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 11:59:50,673 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 11:59:50,676 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 11:59:50,678 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 11:59:50,690 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-12 11:59:50,692 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-12 11:59:50,701 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-12 11:59:50,704 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-12 11:59:50,718 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-12 11:59:50,720 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-12 11:59:50,722 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-12 11:59:50,724 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-12 11:59:50,730 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 11:59:50,731 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 11:59:50,732 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-12 11:59:50,737 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-12 11:59:50,742 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 11:59:50,742 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 11:59:50,756 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-12 11:59:50,758 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-12 11:59:50,786 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 11:59:50 HornClauseAST [2023-06-12 11:59:50,786 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 11:59:50,787 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 11:59:50,787 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 11:59:50,787 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 11:59:50,788 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,788 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/CHC_inc-dec-geq0.bpl_UID938773155649586145.smt2 [2023-06-12 11:59:50,809 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 11:59:50,809 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 11:59:50,809 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 11:59:50,809 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 11:59:50,815 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 11:59:50" (1/1) ... [2023-06-12 11:59:50,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier Received shutdown request... [2023-06-12 12:29:30,657 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver. Reason: Timeout or Toolchain cancelled by user [2023-06-12 12:29:30,659 INFO L158 Benchmark]: Toolchain (without parser) took 1780276.06ms. Allocated memory was 373.3MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 323.5MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 3.2GB. Max. memory is 15.0GB. [2023-06-12 12:29:30,659 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 373.3MB. Free memory is still 324.4MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 12:29:30,660 INFO L158 Benchmark]: Boogie Preprocessor took 17.23ms. Allocated memory is still 373.3MB. Free memory was 323.4MB in the beginning and 321.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-06-12 12:29:30,660 INFO L158 Benchmark]: RCFGBuilder took 105.35ms. Allocated memory is still 373.3MB. Free memory was 321.5MB in the beginning and 313.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 12:29:30,660 INFO L158 Benchmark]: IcfgToChc took 280.06ms. Allocated memory is still 373.3MB. Free memory was 313.1MB in the beginning and 337.8MB in the end (delta: -24.7MB). Peak memory consumption was 19.9MB. Max. memory is 15.0GB. [2023-06-12 12:29:30,661 INFO L158 Benchmark]: ChcSmtPrinter took 22.01ms. Allocated memory is still 373.3MB. Free memory was 337.8MB in the beginning and 335.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 12:29:30,661 INFO L158 Benchmark]: ChcSolver took 1779848.47ms. Allocated memory was 373.3MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 335.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 3.3GB. Max. memory is 15.0GB. [2023-06-12 12:29:30,663 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 0.18ms. Allocated memory is still 373.3MB. Free memory is still 324.4MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 17.23ms. Allocated memory is still 373.3MB. Free memory was 323.4MB in the beginning and 321.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * RCFGBuilder took 105.35ms. Allocated memory is still 373.3MB. Free memory was 321.5MB in the beginning and 313.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 280.06ms. Allocated memory is still 373.3MB. Free memory was 313.1MB in the beginning and 337.8MB in the end (delta: -24.7MB). Peak memory consumption was 19.9MB. Max. memory is 15.0GB. * ChcSmtPrinter took 22.01ms. Allocated memory is still 373.3MB. Free memory was 337.8MB in the beginning and 335.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 1779848.47ms. Allocated memory was 373.3MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 335.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 3.3GB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.chcsolver) Toolchain cancelled while TreeAutomizerCEGAR was refining abstraction,while Minimize was minimizing tree automaton,while Totalize was totalizing tree automaton with 32 nodes. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown