/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-bdec/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.break.symmetry.of.preference.order false --icfgtochc.use.symmetry.clauses true --chcsolver.chc.solver.backend ELDARICA --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat true --chcsolver.produce.unsat.core.if.query.is.unsat true -i ../../../trunk/examples/threadmodular/regression/inc-bdec/inc-bdec.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-dd9be67-m [2023-09-12 10:49:57,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-12 10:49:57,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/ThreadModularVerifier.Settings.epf [2023-09-12 10:49:57,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-12 10:49:57,522 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-09-12 10:49:57,523 INFO L153 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-09-12 10:49:57,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-12 10:49:57,523 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-09-12 10:49:57,523 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2023-09-12 10:49:57,524 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-09-12 10:49:57,524 INFO L153 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-09-12 10:49:57,524 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-09-12 10:49:57,524 INFO L153 SettingsManager]: * Save file in source directory=true [2023-09-12 10:49:57,525 INFO L153 SettingsManager]: * Use automatic naming=true [2023-09-12 10:49:57,525 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use symmetry clauses -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-09-12 10:49:57,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-12 10:49:57,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-12 10:49:57,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-12 10:49:57,749 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-09-12 10:49:57,750 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-09-12 10:49:57,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/inc-bdec.bpl [2023-09-12 10:49:57,753 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/inc-bdec.bpl' [2023-09-12 10:49:57,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-12 10:49:57,769 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-12 10:49:57,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-12 10:49:57,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-12 10:49:57,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-12 10:49:57,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-12 10:49:57,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-12 10:49:57,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-12 10:49:57,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-12 10:49:57,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:57,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-12 10:49:57,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 10:49:57,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-09-12 10:49:57,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-09-12 10:49:57,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-09-12 10:49:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-12 10:49:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-12 10:49:57,873 INFO L236 CfgBuilder]: Building ICFG [2023-09-12 10:49:57,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-12 10:49:57,876 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-09-12 10:49:57,918 INFO L277 CfgBuilder]: Performing block encoding [2023-09-12 10:49:57,929 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-12 10:49:57,929 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-12 10:49:57,931 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:49:57 BoogieIcfgContainer [2023-09-12 10:49:57,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-12 10:49:57,931 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-09-12 10:49:57,931 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-09-12 10:49:57,931 INFO L274 PluginConnector]: IcfgToChc initialized [2023-09-12 10:49:57,933 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:49:57" (1/1) ... [2023-09-12 10:49:58,118 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume x > 0;x := x - 1;' is: true [2023-09-12 10:49:58,122 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-09-12 10:49:58,199 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume x > 0;x := x - 1;' is: (not (= x 0)) [2023-09-12 10:49:58,203 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-09-12 10:49:58,211 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and 'assume x > 0;x := x - 1;' is: true [2023-09-12 10:49:58,216 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume x > 0;x := x - 1;' and 'x := x + 1;' is: true [2023-09-12 10:49:58,219 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume x > 0;x := x - 1;' is: true [2023-09-12 10:49:58,221 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-09-12 10:49:58,268 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:49:58 HornClauseAST [2023-09-12 10:49:58,269 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-09-12 10:49:58,269 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-09-12 10:49:58,269 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-09-12 10:49:58,269 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-09-12 10:49:58,270 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:49:58" (1/1) ... [2023-09-12 10:49:58,270 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-bdec/CHC_conditional_inc-bdec.bpl_UID3011566339802024816.smt2 [2023-09-12 10:49:58,280 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-09-12 10:49:58,280 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-09-12 10:49:58,280 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-09-12 10:49:58,280 INFO L274 PluginConnector]: ChcSolver initialized [2023-09-12 10:49:58,283 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:49:58" (1/1) ... [2023-09-12 10:49:58,284 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-09-12 10:49:58,284 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-09-12 10:49:58,284 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_15920974261962638451.smt2 [2023-09-12 10:49:58,290 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-09-12 10:49:58,290 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-09-12 10:49:58,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_15920974261962638451.smt2 (exit command is null, workingDir is null) [2023-09-12 10:49:58,294 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_15920974261962638451.smt2 (2)] Waiting until timeout for monitored process [2023-09-12 10:50:20,572 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-09-12 10:50:20,578 INFO L176 ChcSolverObserver]: (define-fun (Inv Int Int Int Bool Int Int Bool Int Bool) ((A Int) (B Int) (C Int) (D Bool) (E Int) (F Int) (G Bool) (H Int) ) Bool (or (and (not (= F C)) (<= 1 A) (= H 0) (= B 0) (= E 0)) (and (= A 0) (not (= F C)) (= H 0) (= B 0) (= E 0)) (and (<= 0 B) (not (= F C)) (= 2 E) (= H 0) (<= B A)) (and (= 3 E) (<= 0 B) (<= (+ B 1) A) (not (= F C)) (= H 0)) (and (not (= F C)) (<= 1 A) (= E 1) (= H 0) (= B 0)) (and (<= 0 B) (not (= F C)) (= E 4) (= H 0) (<= B A)))) [2023-09-12 10:50:20,579 INFO L201 PluginConnector]: Adding new model inc-bdec.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.09 10:50:20 ChcSolution [2023-09-12 10:50:20,579 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-09-12 10:50:20,589 INFO L158 Benchmark]: Toolchain (without parser) took 22810.83ms. Allocated memory is still 339.7MB. Free memory was 296.6MB in the beginning and 308.3MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:50:20,589 INFO L158 Benchmark]: Boogie PL CUP Parser took 2.07ms. Allocated memory is still 339.7MB. Free memory is still 297.5MB. There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:50:20,590 INFO L158 Benchmark]: Boogie Preprocessor took 17.20ms. Allocated memory is still 339.7MB. Free memory was 296.4MB in the beginning and 294.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 10:50:20,590 INFO L158 Benchmark]: RCFGBuilder took 141.00ms. Allocated memory is still 339.7MB. Free memory was 294.6MB in the beginning and 285.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 10:50:20,590 INFO L158 Benchmark]: IcfgToChc took 337.37ms. Allocated memory is still 339.7MB. Free memory was 285.5MB in the beginning and 312.4MB in the end (delta: -26.9MB). Peak memory consumption was 18.5MB. Max. memory is 15.0GB. [2023-09-12 10:50:20,591 INFO L158 Benchmark]: ChcSmtPrinter took 10.75ms. Allocated memory is still 339.7MB. Free memory was 312.4MB in the beginning and 311.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:50:20,591 INFO L158 Benchmark]: ChcSolver took 22299.40ms. Allocated memory is still 339.7MB. Free memory was 311.4MB in the beginning and 308.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 10:50:20,593 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 2.07ms. Allocated memory is still 339.7MB. Free memory is still 297.5MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 17.20ms. Allocated memory is still 339.7MB. Free memory was 296.4MB in the beginning and 294.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 141.00ms. Allocated memory is still 339.7MB. Free memory was 294.6MB in the beginning and 285.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 337.37ms. Allocated memory is still 339.7MB. Free memory was 285.5MB in the beginning and 312.4MB in the end (delta: -26.9MB). Peak memory consumption was 18.5MB. Max. memory is 15.0GB. * ChcSmtPrinter took 10.75ms. Allocated memory is still 339.7MB. Free memory was 312.4MB in the beginning and 311.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 22299.40ms. Allocated memory is still 339.7MB. Free memory was 311.4MB in the beginning and 308.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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. [2023-09-12 10:50:20,599 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_15920974261962638451.smt2 (2)] Forcibly destroying the process [2023-09-12 10:50:20,651 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_15920974261962638451.smt2 (2)] Forceful destruction successful, exit code 137 [2023-09-12 10:50:20,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...