/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/mutex-3/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/mutex-3/mutex-3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-dd9be67-m [2023-09-12 10:50:53,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-12 10:50:53,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-3/ThreadModularVerifier.Settings.epf [2023-09-12 10:50:53,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-12 10:50:53,424 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-09-12 10:50:53,424 INFO L153 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-09-12 10:50:53,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-12 10:50:53,425 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-09-12 10:50:53,425 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2023-09-12 10:50:53,429 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-09-12 10:50:53,429 INFO L153 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-09-12 10:50:53,429 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-09-12 10:50:53,430 INFO L153 SettingsManager]: * Save file in source directory=true [2023-09-12 10:50:53,431 INFO L153 SettingsManager]: * Use automatic naming=true [2023-09-12 10:50:53,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use symmetry clauses -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-09-12 10:50:53,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-12 10:50:53,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-12 10:50:53,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-12 10:50:53,636 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-09-12 10:50:53,638 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-09-12 10:50:53,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-3/mutex-3.bpl [2023-09-12 10:50:53,639 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-3/mutex-3.bpl' [2023-09-12 10:50:53,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-12 10:50:53,655 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-12 10:50:53,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-12 10:50:53,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-12 10:50:53,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-12 10:50:53,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-12 10:50:53,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-12 10:50:53,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-12 10:50:53,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-12 10:50:53,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:53,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-12 10:50:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 10:50:53,693 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 10:50:53,700 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 10:50:53,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-09-12 10:50:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-12 10:50:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-12 10:50:53,762 INFO L236 CfgBuilder]: Building ICFG [2023-09-12 10:50:53,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-12 10:50:53,766 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-09-12 10:50:53,820 INFO L277 CfgBuilder]: Performing block encoding [2023-09-12 10:50:53,832 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-12 10:50:53,832 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-09-12 10:50:53,833 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: ULTIMATE.startEXIT is neither atomic block end nor error location. [2023-09-12 10:50:53,834 INFO L201 PluginConnector]: Adding new model mutex-3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:50:53 BoogieIcfgContainer [2023-09-12 10:50:53,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-12 10:50:53,835 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-09-12 10:50:53,835 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-09-12 10:50:53,835 INFO L274 PluginConnector]: IcfgToChc initialized [2023-09-12 10:50:53,836 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:50:53" (1/1) ... [2023-09-12 10:50:54,008 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:50:54,009 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2023-09-12 10:50:54,011 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 3;ctr := ctr + 1;' is: true [2023-09-12 10:50:54,017 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:50:54,018 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-09-12 10:50:54,020 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 3;ctr := ctr + 1;' is: true [2023-09-12 10:50:54,030 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume ctr < 3;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:50:54,032 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume ctr < 3;ctr := ctr + 1;' and 'assume true;' is: true [2023-09-12 10:50:54,040 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume ctr < 3;ctr := ctr + 1;' and 'assume ctr < 3;ctr := ctr + 1;' is: true [2023-09-12 10:50:54,050 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:50:54,052 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2023-09-12 10:50:54,055 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 3;ctr := ctr + 1;' is: false [2023-09-12 10:50:54,072 INFO L201 PluginConnector]: Adding new model mutex-3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:50:54 HornClauseAST [2023-09-12 10:50:54,073 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-09-12 10:50:54,077 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-09-12 10:50:54,077 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-09-12 10:50:54,077 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-09-12 10:50:54,078 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:50:54" (1/1) ... [2023-09-12 10:50:54,079 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-3/CHC_mutex-3.bpl_UID1894648643406980773.smt2 [2023-09-12 10:50:54,089 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-09-12 10:50:54,090 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-09-12 10:50:54,090 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-09-12 10:50:54,090 INFO L274 PluginConnector]: ChcSolver initialized [2023-09-12 10:50:54,097 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:50:54" (1/1) ... [2023-09-12 10:50:54,098 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-09-12 10:50:54,098 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-09-12 10:50:54,098 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_15866684592352239286.smt2 [2023-09-12 10:50:54,107 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-09-12 10:50:54,108 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-09-12 10:50:54,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_15866684592352239286.smt2 (exit command is null, workingDir is null) [2023-09-12 10:50:54,153 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_15866684592352239286.smt2 (2)] Waiting until timeout for monitored process [2023-09-12 10:51:04,375 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-09-12 10:51:04,376 INFO L176 ChcSolverObserver]: (define-fun (Inv Int Int Bool Int Int Bool Int Bool) ((A Int) (B Int) (C Bool) (D Int) (E Int) (F Bool) (G Int) ) Bool (or (and (= G 0) (= A 0) (= 2 D) (<= (+ E 1) B)) (and (= G 0) (= A 1) (<= (+ E 1) B) (= 3 D)) (and (= D 1) (= G 0) (= A 0) (<= (+ B 1) E)) (and (= G 0) (= D 0) (not (= E B)) (= A 0)) (and (= G 0) (= A 0) (= 2 D) (<= (+ B 1) E)) (and (= D 1) (= G 0) (= A 0) (<= (+ E 1) B)) (and (= G 0) (= A 1) (<= (+ B 1) E) (= 3 D)))) [2023-09-12 10:51:04,377 INFO L201 PluginConnector]: Adding new model mutex-3.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.09 10:51:04 ChcSolution [2023-09-12 10:51:04,377 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-09-12 10:51:04,378 INFO L158 Benchmark]: Toolchain (without parser) took 10722.72ms. Allocated memory is still 413.1MB. Free memory was 369.9MB in the beginning and 383.5MB in the end (delta: -13.6MB). Peak memory consumption was 31.1MB. Max. memory is 15.0GB. [2023-09-12 10:51:04,378 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 413.1MB. Free memory is still 370.8MB. There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:51:04,379 INFO L158 Benchmark]: Boogie Preprocessor took 18.66ms. Allocated memory is still 413.1MB. Free memory was 369.7MB in the beginning and 367.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 10:51:04,383 INFO L158 Benchmark]: RCFGBuilder took 160.06ms. Allocated memory is still 413.1MB. Free memory was 367.8MB in the beginning and 359.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 10:51:04,385 INFO L158 Benchmark]: IcfgToChc took 241.51ms. Allocated memory is still 413.1MB. Free memory was 359.4MB in the beginning and 350.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 10:51:04,385 INFO L158 Benchmark]: ChcSmtPrinter took 12.47ms. Allocated memory is still 413.1MB. Free memory was 350.0MB in the beginning and 348.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 10:51:04,386 INFO L158 Benchmark]: ChcSolver took 10287.01ms. Allocated memory is still 413.1MB. Free memory was 348.9MB in the beginning and 383.5MB in the end (delta: -34.6MB). Peak memory consumption was 10.1MB. Max. memory is 15.0GB. [2023-09-12 10:51:04,393 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 0.19ms. Allocated memory is still 413.1MB. Free memory is still 370.8MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 18.66ms. Allocated memory is still 413.1MB. Free memory was 369.7MB in the beginning and 367.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 160.06ms. Allocated memory is still 413.1MB. Free memory was 367.8MB in the beginning and 359.6MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 241.51ms. Allocated memory is still 413.1MB. Free memory was 359.4MB in the beginning and 350.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * ChcSmtPrinter took 12.47ms. Allocated memory is still 413.1MB. Free memory was 350.0MB in the beginning and 348.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 10287.01ms. Allocated memory is still 413.1MB. Free memory was 348.9MB in the beginning and 383.5MB in the end (delta: -34.6MB). Peak memory consumption was 10.1MB. 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 10:51:04,401 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_15866684592352239286.smt2 (2)] Forcibly destroying the process [2023-09-12 10:51:04,434 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_15866684592352239286.smt2 (2)] Forceful destruction successful, exit code 137 [2023-09-12 10:51:04,439 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...