/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 --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-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-dd9be67-m [2023-09-12 10:50:23,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-12 10:50:23,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-09-12 10:50:23,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-12 10:50:23,394 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-09-12 10:50:23,395 INFO L153 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-09-12 10:50:23,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-12 10:50:23,395 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-09-12 10:50:23,395 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2023-09-12 10:50:23,396 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-09-12 10:50:23,396 INFO L153 SettingsManager]: * Save file in source directory=true [2023-09-12 10:50:23,396 INFO L153 SettingsManager]: * Use automatic naming=true [2023-09-12 10:50:23,397 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use symmetry clauses -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-09-12 10:50:23,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-12 10:50:23,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-12 10:50:23,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-12 10:50:23,599 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-09-12 10:50:23,600 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-09-12 10:50:23,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-09-12 10:50:23,603 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-09-12 10:50:23,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-12 10:50:23,626 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-12 10:50:23,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-12 10:50:23,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-12 10:50:23,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-12 10:50:23,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-12 10:50:23,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-12 10:50:23,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-12 10:50:23,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-12 10:50:23,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-12 10:50:23,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 10:50:23,666 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 10:50:23,670 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 10:50:23,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-09-12 10:50:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-09-12 10:50:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-09-12 10:50:23,736 INFO L236 CfgBuilder]: Building ICFG [2023-09-12 10:50:23,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-12 10:50:23,739 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-09-12 10:50:23,770 INFO L277 CfgBuilder]: Performing block encoding [2023-09-12 10:50:23,773 INFO L294 CfgBuilder]: Using library mode [2023-09-12 10:50:23,774 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-12 10:50:23,775 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:50:23 BoogieIcfgContainer [2023-09-12 10:50:23,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-12 10:50:23,775 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-09-12 10:50:23,775 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-09-12 10:50:23,775 INFO L274 PluginConnector]: IcfgToChc initialized [2023-09-12 10:50:23,777 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:50:23" (1/1) ... [2023-09-12 10:50:23,948 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-09-12 10:50:23,957 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-09-12 10:50:23,979 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-09-12 10:50:23,984 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-09-12 10:50:23,991 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-09-12 10:50:23,993 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-09-12 10:50:23,997 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-09-12 10:50:23,999 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-09-12 10:50:24,023 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:50:24 HornClauseAST [2023-09-12 10:50:24,023 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-09-12 10:50:24,024 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-09-12 10:50:24,024 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-09-12 10:50:24,024 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-09-12 10:50:24,025 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:50:24" (1/1) ... [2023-09-12 10:50:24,025 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_UID5012360459600288175.smt2 [2023-09-12 10:50:24,036 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-09-12 10:50:24,037 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-09-12 10:50:24,037 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-09-12 10:50:24,037 INFO L274 PluginConnector]: ChcSolver initialized [2023-09-12 10:50:24,041 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:50:24" (1/1) ... [2023-09-12 10:50:24,042 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-09-12 10:50:24,042 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-09-12 10:50:24,042 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_16648712046028723121.smt2 [2023-09-12 10:50:24,049 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-09-12 10:50:24,049 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-09-12 10:50:24,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_16648712046028723121.smt2 (exit command is null, workingDir is null) [2023-09-12 10:50:24,057 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_16648712046028723121.smt2 (2)] Waiting until timeout for monitored process [2023-09-12 10:50:50,823 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-09-12 10:50:50,824 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 (= 2 E) (<= (+ C 1) F) (= H 0) (= B 1)) (and (<= (+ C 1) F) (= E 4) (= H 0) (= B 0)) (and (<= (+ F 1) C) (= 3 E) (= H 0) (= B 0)) (and (= 3 E) (<= (+ C 1) F) (= H 0) (= B 0)) (and (<= (+ F 1) C) (= E 1) (= H 0) (= B 0)) (and (<= (+ F 1) C) (= 2 E) (= H 0) (= B 1)) (and (<= (+ F 1) C) (= E 4) (= H 0) (= B 0)) (and (not (= F C)) (= H 0) (= B 0) (= E 0)) (and (<= (+ C 1) F) (= E 1) (= H 0) (= B 0)))) [2023-09-12 10:50:50,825 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.09 10:50:50 ChcSolution [2023-09-12 10:50:50,825 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-09-12 10:50:50,826 INFO L158 Benchmark]: Toolchain (without parser) took 27200.08ms. Allocated memory is still 341.8MB. Free memory was 299.0MB in the beginning and 275.8MB in the end (delta: 23.2MB). Peak memory consumption was 18.9MB. Max. memory is 15.0GB. [2023-09-12 10:50:50,827 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 341.8MB. Free memory is still 299.8MB. There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:50:50,827 INFO L158 Benchmark]: Boogie Preprocessor took 18.61ms. Allocated memory is still 341.8MB. Free memory was 298.8MB in the beginning and 297.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 10:50:50,827 INFO L158 Benchmark]: RCFGBuilder took 127.71ms. Allocated memory is still 341.8MB. Free memory was 297.0MB in the beginning and 289.3MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-09-12 10:50:50,828 INFO L158 Benchmark]: IcfgToChc took 247.90ms. Allocated memory is still 341.8MB. Free memory was 289.2MB in the beginning and 279.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 10:50:50,828 INFO L158 Benchmark]: ChcSmtPrinter took 12.78ms. Allocated memory is still 341.8MB. Free memory was 279.8MB in the beginning and 278.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:50:50,829 INFO L158 Benchmark]: ChcSolver took 26788.41ms. Allocated memory is still 341.8MB. Free memory was 278.7MB in the beginning and 275.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-09-12 10:50:50,835 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 341.8MB. Free memory is still 299.8MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 18.61ms. Allocated memory is still 341.8MB. Free memory was 298.8MB in the beginning and 297.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 127.71ms. Allocated memory is still 341.8MB. Free memory was 297.0MB in the beginning and 289.3MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * IcfgToChc took 247.90ms. Allocated memory is still 341.8MB. Free memory was 289.2MB in the beginning and 279.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * ChcSmtPrinter took 12.78ms. Allocated memory is still 341.8MB. Free memory was 279.8MB in the beginning and 278.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 26788.41ms. Allocated memory is still 341.8MB. Free memory was 278.7MB in the beginning and 275.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. 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 10:50:50,842 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_16648712046028723121.smt2 (2)] Forcibly destroying the process [2023-09-12 10:50:50,889 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_16648712046028723121.smt2 (2)] Forceful destruction successful, exit code 137 [2023-09-12 10:50:50,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...