/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 --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-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 14:59:54,283 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 14:59:54,359 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 14:59:54,367 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 14:59:54,368 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 14:59:54,369 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 14:59:54,369 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 14:59:54,370 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 14:59:54,370 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 14:59:54,376 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 14:59:54,376 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 14:59:54,378 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 14:59:54,378 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 14:59:54,379 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 14:59:54,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMT solver -> Internal_SMTInterpol [2023-06-12 14:59:54,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 14:59:54,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 14:59:54,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 14:59:54,659 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 14:59:54,659 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 14:59:54,660 INFO L431 ainManager$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 14:59:54,661 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 14:59:54,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 14:59:54,679 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 14:59:54,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 14:59:54,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 14:59:54,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 14:59:54,696 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,697 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,701 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,702 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,703 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,704 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,704 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,705 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 14:59:54,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 14:59:54,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 14:59:54,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 14:59:54,708 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 02:59:54" (1/1) ... [2023-06-12 14:59:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-06-12 14:59:54,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 14:59:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 14:59:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 14:59:54,787 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 14:59:54,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 14:59:54,791 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-12 14:59:54,828 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 14:59:54,833 INFO L294 CfgBuilder]: Using library mode [2023-06-12 14:59:54,834 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 14:59:54,835 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 02:59:54 BoogieIcfgContainer [2023-06-12 14:59:54,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 14:59:54,836 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 14:59:54,836 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 14:59:54,836 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 14:59:54,838 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 02:59:54" (1/1) ... [2023-06-12 14:59:55,007 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:55,009 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:55,013 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:55,016 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-06-12 14:59:55,026 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-12 14:59:55,029 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-06-12 14:59:55,037 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-06-12 14:59:55,041 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-06-12 14:59:55,048 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-12 14:59:55,050 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-06-12 14:59:55,054 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-06-12 14:59:55,057 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-06-12 14:59:55,062 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 14:59:55,062 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 14:59:55,064 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-12 14:59:55,067 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-12 14:59:55,071 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 14:59:55,072 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-06-12 14:59:55,074 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-06-12 14:59:55,076 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-06-12 14:59:55,103 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 02:59:55 HornClauseAST [2023-06-12 14:59:55,103 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 14:59:55,103 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 14:59:55,104 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 14:59:55,104 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 14:59:55,112 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 02:59:55" (1/1) ... [2023-06-12 14:59:55,113 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_UID8894873897163159714.smt2 [2023-06-12 14:59:55,152 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 14:59:55,153 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 14:59:55,153 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 14:59:55,153 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 14:59:55,173 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 02:59:55" (1/1) ... [2023-06-12 14:59:55,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier Received shutdown request... [2023-06-12 15:29:29,081 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 15:29:29,084 INFO L158 Benchmark]: Toolchain (without parser) took 1774403.24ms. Allocated memory was 341.8MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 300.2MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 2.1GB. Max. memory is 15.0GB. [2023-06-12 15:29:29,084 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.30ms. Allocated memory is still 341.8MB. Free memory is still 301.1MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:29:29,085 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 341.8MB. Free memory was 300.2MB in the beginning and 298.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:29:29,085 INFO L158 Benchmark]: RCFGBuilder took 128.48ms. Allocated memory is still 341.8MB. Free memory was 298.2MB in the beginning and 289.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 15:29:29,086 INFO L158 Benchmark]: IcfgToChc took 267.03ms. Allocated memory is still 341.8MB. Free memory was 289.9MB in the beginning and 278.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 15:29:29,086 INFO L158 Benchmark]: ChcSmtPrinter took 48.73ms. Allocated memory is still 341.8MB. Free memory was 278.3MB in the beginning and 316.0MB in the end (delta: -37.7MB). Peak memory consumption was 11.8MB. Max. memory is 15.0GB. [2023-06-12 15:29:29,087 INFO L158 Benchmark]: ChcSolver took 1773929.54ms. Allocated memory was 341.8MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 316.0MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 2.2GB. Max. memory is 15.0GB. [2023-06-12 15:29:29,089 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 0.30ms. Allocated memory is still 341.8MB. Free memory is still 301.1MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 341.8MB. Free memory was 300.2MB in the beginning and 298.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 128.48ms. Allocated memory is still 341.8MB. Free memory was 298.2MB in the beginning and 289.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 267.03ms. Allocated memory is still 341.8MB. Free memory was 289.9MB in the beginning and 278.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * ChcSmtPrinter took 48.73ms. Allocated memory is still 341.8MB. Free memory was 278.3MB in the beginning and 316.0MB in the end (delta: -37.7MB). Peak memory consumption was 11.8MB. Max. memory is 15.0GB. * ChcSolver took 1773929.54ms. Allocated memory was 341.8MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 316.0MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 2.2GB. 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 43 nodes. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown