/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-eq0/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.break.symmetry.of.preference.order 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/inc-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 14:59:51,947 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 14:59:51,998 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-06-12 14:59:52,010 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 14:59:52,011 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 14:59:52,012 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 14:59:52,012 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 14:59:52,013 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 14:59:52,013 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 14:59:52,017 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 14:59:52,018 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 14:59:52,018 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 14:59:52,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMT solver -> Internal_SMTInterpol [2023-06-12 14:59:52,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 14:59:52,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 14:59:52,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 14:59:52,247 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 14:59:52,248 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 14:59:52,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-06-12 14:59:52,249 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-06-12 14:59:52,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 14:59:52,269 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 14:59:52,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 14:59:52,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 14:59:52,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 14:59:52,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 14:59:52,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 14:59:52,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 14:59:52,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 14:59:52,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-06-12 14:59:52,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 14:59:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 14:59:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 14:59:52,391 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 14:59:52,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 14:59:52,397 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-12 14:59:52,442 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 14:59:52,448 INFO L294 CfgBuilder]: Using library mode [2023-06-12 14:59:52,448 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 14:59:52,450 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 02:59:52 BoogieIcfgContainer [2023-06-12 14:59:52,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 14:59:52,451 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 14:59:52,452 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 14:59:52,452 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 14:59:52,454 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,661 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:52,665 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:52,684 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-12 14:59:52,689 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-12 14:59:52,699 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-12 14:59:52,703 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-12 14:59:52,709 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:52,712 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:52,749 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 02:59:52 HornClauseAST [2023-06-12 14:59:52,749 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 14:59:52,749 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 14:59:52,750 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 14:59:52,750 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 14:59:52,755 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,756 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/CHC_inc-dec-eq0.bpl_UID11454122678658813178.smt2 [2023-06-12 14:59:52,774 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 14:59:52,775 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 14:59:52,775 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 14:59:52,776 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 14:59:52,783 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 02:59:52" (1/1) ... [2023-06-12 14:59:52,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier Received shutdown request... [2023-06-12 15:29:18,572 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 15:29:18,575 INFO L158 Benchmark]: Toolchain (without parser) took 1766304.87ms. Allocated memory was 346.0MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 294.7MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 4.2GB. Max. memory is 15.0GB. [2023-06-12 15:29:18,575 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 346.0MB. Free memory is still 295.6MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:29:18,576 INFO L158 Benchmark]: Boogie Preprocessor took 23.84ms. Allocated memory is still 346.0MB. Free memory was 294.7MB in the beginning and 293.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:29:18,576 INFO L158 Benchmark]: RCFGBuilder took 154.89ms. Allocated memory is still 346.0MB. Free memory was 292.8MB in the beginning and 284.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 15:29:18,577 INFO L158 Benchmark]: IcfgToChc took 297.46ms. Allocated memory is still 346.0MB. Free memory was 284.6MB in the beginning and 274.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 15:29:18,578 INFO L158 Benchmark]: ChcSmtPrinter took 25.30ms. Allocated memory is still 346.0MB. Free memory was 274.8MB in the beginning and 273.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:29:18,578 INFO L158 Benchmark]: ChcSolver took 1765797.91ms. Allocated memory was 346.0MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 273.4MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 4.2GB. Max. memory is 15.0GB. [2023-06-12 15:29:18,581 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 0.16ms. Allocated memory is still 346.0MB. Free memory is still 295.6MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 23.84ms. Allocated memory is still 346.0MB. Free memory was 294.7MB in the beginning and 293.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 154.89ms. Allocated memory is still 346.0MB. Free memory was 292.8MB in the beginning and 284.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 297.46ms. Allocated memory is still 346.0MB. Free memory was 284.6MB in the beginning and 274.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * ChcSmtPrinter took 25.30ms. Allocated memory is still 346.0MB. Free memory was 274.8MB in the beginning and 273.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 1765797.91ms. Allocated memory was 346.0MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 273.4MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 4.2GB. 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 55 nodes. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown