/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-4/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-4/mutex-4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-dd9be67-m [2023-09-12 10:51:07,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-12 10:51:07,266 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-4/ThreadModularVerifier.Settings.epf [2023-09-12 10:51:07,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-12 10:51:07,274 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-09-12 10:51:07,274 INFO L153 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-09-12 10:51:07,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-12 10:51:07,274 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-09-12 10:51:07,275 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2023-09-12 10:51:07,275 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-09-12 10:51:07,275 INFO L153 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-09-12 10:51:07,276 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-09-12 10:51:07,276 INFO L153 SettingsManager]: * Save file in source directory=true [2023-09-12 10:51:07,276 INFO L153 SettingsManager]: * Use automatic naming=true [2023-09-12 10:51:07,276 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Break symmetry of preference order -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use symmetry clauses -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-09-12 10:51:07,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-12 10:51:07,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-12 10:51:07,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-12 10:51:07,471 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-09-12 10:51:07,474 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-09-12 10:51:07,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-4/mutex-4.bpl [2023-09-12 10:51:07,475 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-4/mutex-4.bpl' [2023-09-12 10:51:07,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-12 10:51:07,497 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-12 10:51:07,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-12 10:51:07,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-12 10:51:07,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-12 10:51:07,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-12 10:51:07,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-12 10:51:07,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-12 10:51:07,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-12 10:51:07,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-12 10:51:07,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 10:51:07,543 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 10:51:07,555 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 10:51:07,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-09-12 10:51:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-12 10:51:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-12 10:51:07,609 INFO L236 CfgBuilder]: Building ICFG [2023-09-12 10:51:07,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-12 10:51:07,612 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-09-12 10:51:07,653 INFO L277 CfgBuilder]: Performing block encoding [2023-09-12 10:51:07,666 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-12 10:51:07,667 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-09-12 10:51:07,667 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: ULTIMATE.startEXIT is neither atomic block end nor error location. [2023-09-12 10:51:07,668 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:51:07 BoogieIcfgContainer [2023-09-12 10:51:07,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-12 10:51:07,669 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-09-12 10:51:07,669 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-09-12 10:51:07,669 INFO L274 PluginConnector]: IcfgToChc initialized [2023-09-12 10:51:07,670 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,840 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:51:07,842 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2023-09-12 10:51:07,844 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2023-09-12 10:51:07,857 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:51:07,858 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-09-12 10:51:07,861 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2023-09-12 10:51:07,877 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:51:07,880 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2023-09-12 10:51:07,884 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2023-09-12 10:51:07,889 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2023-09-12 10:51:07,890 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2023-09-12 10:51:07,893 INFO L180 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: false [2023-09-12 10:51:07,911 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:51:07 HornClauseAST [2023-09-12 10:51:07,911 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-09-12 10:51:07,911 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-09-12 10:51:07,912 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-09-12 10:51:07,912 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-09-12 10:51:07,915 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,916 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/mutex-4/CHC_mutex-4.bpl_UID8759762514635070664.smt2 [2023-09-12 10:51:07,936 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-09-12 10:51:07,937 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-09-12 10:51:07,937 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-09-12 10:51:07,937 INFO L274 PluginConnector]: ChcSolver initialized [2023-09-12 10:51:07,938 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 10:51:07" (1/1) ... [2023-09-12 10:51:07,939 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-09-12 10:51:07,939 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-09-12 10:51:07,939 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_13571922442280317351.smt2 [2023-09-12 10:51:07,944 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-09-12 10:51:07,945 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-09-12 10:51:07,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_13571922442280317351.smt2 (exit command is null, workingDir is null) [2023-09-12 10:51:07,976 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_13571922442280317351.smt2 (2)] Waiting until timeout for monitored process [2023-09-12 10:51:11,444 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-09-12 10:51:11,444 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 (and (= G 0) (or (and (= D 1) (not (= E B)) (= A 0)) (and (= D 0) (not (= E B)) (= A 0)) (and (not (= E B)) (= A 1) (= 3 D)) (and (not (= E B)) (= A 0) (= 2 D))))) [2023-09-12 10:51:11,445 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.09 10:51:11 ChcSolution [2023-09-12 10:51:11,445 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-09-12 10:51:11,446 INFO L158 Benchmark]: Toolchain (without parser) took 3949.55ms. Allocated memory is still 364.9MB. Free memory was 322.1MB in the beginning and 334.5MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:51:11,447 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 364.9MB. Free memory was 323.2MB in the beginning and 323.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 10:51:11,447 INFO L158 Benchmark]: Boogie Preprocessor took 19.49ms. Allocated memory is still 364.9MB. Free memory was 322.1MB in the beginning and 320.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 10:51:11,448 INFO L158 Benchmark]: RCFGBuilder took 148.39ms. Allocated memory is still 364.9MB. Free memory was 320.1MB in the beginning and 311.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 10:51:11,448 INFO L158 Benchmark]: IcfgToChc took 242.10ms. Allocated memory is still 364.9MB. Free memory was 311.8MB in the beginning and 302.2MB in the end (delta: 9.5MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-09-12 10:51:11,449 INFO L158 Benchmark]: ChcSmtPrinter took 24.72ms. Allocated memory is still 364.9MB. Free memory was 302.2MB in the beginning and 337.6MB in the end (delta: -35.3MB). Peak memory consumption was 12.2MB. Max. memory is 15.0GB. [2023-09-12 10:51:11,450 INFO L158 Benchmark]: ChcSolver took 3508.87ms. Allocated memory is still 364.9MB. Free memory was 337.6MB in the beginning and 334.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-09-12 10:51:11,452 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 0.21ms. Allocated memory is still 364.9MB. Free memory was 323.2MB in the beginning and 323.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 19.49ms. Allocated memory is still 364.9MB. Free memory was 322.1MB in the beginning and 320.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 148.39ms. Allocated memory is still 364.9MB. Free memory was 320.1MB in the beginning and 311.9MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 242.10ms. Allocated memory is still 364.9MB. Free memory was 311.8MB in the beginning and 302.2MB in the end (delta: 9.5MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 24.72ms. Allocated memory is still 364.9MB. Free memory was 302.2MB in the beginning and 337.6MB in the end (delta: -35.3MB). Peak memory consumption was 12.2MB. Max. memory is 15.0GB. * ChcSolver took 3508.87ms. Allocated memory is still 364.9MB. Free memory was 337.6MB in the beginning and 334.5MB in the end (delta: 3.1MB). 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 10:51:11,484 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_13571922442280317351.smt2 (2)] Forcibly destroying the process [2023-09-12 10:51:11,493 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_13571922442280317351.smt2 (2)] Forceful destruction successful, exit code 0 [2023-09-12 10:51:11,496 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...