/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 --chcsolver.chc.solver.backend Z3 --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat false -i ../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 11:51:49,796 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 11:51:49,853 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-07-03 11:51:49,860 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 11:51:49,861 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 11:51:49,862 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 11:51:49,862 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 11:51:49,862 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 11:51:49,862 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 11:51:49,866 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 11:51:49,866 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 11:51:49,867 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 11:51:49,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-07-03 11:51:50,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 11:51:50,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 11:51:50,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 11:51:50,048 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 11:51:50,048 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 11:51:50,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-07-03 11:51:50,049 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-07-03 11:51:50,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 11:51:50,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 11:51:50,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 11:51:50,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 11:51:50,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 11:51:50,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 11:51:50,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 11:51:50,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 11:51:50,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 11:51:50,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 11:51:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 11:51:50,103 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) [2023-07-03 11:51:50,109 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 [2023-07-03 11:51:50,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-07-03 11:51:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-07-03 11:51:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-07-03 11:51:50,156 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 11:51:50,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 11:51:50,159 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 11:51:50,190 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 11:51:50,195 INFO L294 CfgBuilder]: Using library mode [2023-07-03 11:51:50,195 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 11:51:50,196 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 11:51:50 BoogieIcfgContainer [2023-07-03 11:51:50,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 11:51:50,198 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 11:51:50,198 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 11:51:50,198 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 11:51:50,200 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,361 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 11:51:50,364 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 11:51:50,379 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-07-03 11:51:50,382 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-07-03 11:51:50,390 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-07-03 11:51:50,392 INFO L180 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-07-03 11:51:50,398 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2023-07-03 11:51:50,399 INFO L180 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2023-07-03 11:51:50,448 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 11:51:50 HornClauseAST [2023-07-03 11:51:50,448 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 11:51:50,448 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 11:51:50,448 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 11:51:50,448 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 11:51:50,449 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,450 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_UID9135471257650110834.smt2 [2023-07-03 11:51:50,478 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 11:51:50,478 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 11:51:50,478 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 11:51:50,478 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 11:51:50,480 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 11:51:50" (1/1) ... [2023-07-03 11:51:50,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-07-03 11:51:50,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 11:51:50,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 11:51:50,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-07-03 11:51:50,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-07-03 11:51:50,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 11:51:50,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 11:51:50,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-07-03 11:53:22,831 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-07-03 11:53:22,832 INFO L176 ChcSolverObserver]: (define-fun (Inv Int Int Bool Int Bool Int Bool) ((x!0 Int) (x!1 Int) (x!2 Bool) (x!3 Int) (x!4 Bool) (x!5 Int) ) Bool (and (or (< 0 (+ x!0 1)) x!4 (< 0 x!5)) (or (< x!1 1) (< 1 x!0) x!2 (not (= 3 x!3))) (< 0 (+ x!3 1)) (< 0 (+ x!5 1)) (or (< x!1 1) (< 0 x!0) (< x!3 4)) (or (< 0 x!0) x!4 x!2 (not (= 3 x!3))) (or (not (= x!5 1)) (< 0 x!0) x!4) (or (< 0 x!0) (not (= x!3 1)) x!4 x!2) (or (< x!1 1) (not (= x!3 1)) (< 1 x!0) x!2) (or x!4 (not (= 2 x!5)) (< 0 x!1)) (or (< x!1 1) (< 0 x!0) (< x!5 4)) (or (< 1 x!0) x!2 (< x!1 2) (not (= 2 x!3))) (or x!2 (< 0 x!1) (not (= 2 x!3))) (or (< x!1 1) (< 1 x!0) x!4 (not (= 3 x!5))) (or (not (= x!5 1)) (< x!1 1) (< 1 x!0) x!4) (or (< x!1 1) (< 0 x!0) x!4) (or (< x!5 1) x!2 (< 3 x!3)) (or (< x!1 1) (< 0 x!0) x!2 (< 0 x!3)) (or (< 0 (+ x!1 1)) (< x!0 1)) (or (< 1 x!0) (< 0 (+ x!1 1))) (or (< 1 x!0) x!4 (not (= 2 x!5)) (< x!1 2)))) [2023-07-03 11:53:22,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-07-03 11:53:22,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 11:53:22,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 11:53:22,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-07-03 11:53:22,881 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.07 11:53:22 ChcSolution [2023-07-03 11:53:22,881 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-07-03 11:53:22,882 INFO L158 Benchmark]: Toolchain (without parser) took 92816.66ms. Allocated memory is still 364.9MB. Free memory was 323.0MB in the beginning and 327.4MB in the end (delta: -4.4MB). Peak memory consumption was 35.6MB. Max. memory is 15.0GB. [2023-07-03 11:53:22,882 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 364.9MB. Free memory is still 324.0MB. There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 11:53:22,883 INFO L158 Benchmark]: Boogie Preprocessor took 17.28ms. Allocated memory is still 364.9MB. Free memory was 323.0MB in the beginning and 321.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 11:53:22,883 INFO L158 Benchmark]: RCFGBuilder took 113.23ms. Allocated memory is still 364.9MB. Free memory was 321.1MB in the beginning and 313.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 11:53:22,884 INFO L158 Benchmark]: IcfgToChc took 249.91ms. Allocated memory is still 364.9MB. Free memory was 313.2MB in the beginning and 302.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. [2023-07-03 11:53:22,884 INFO L158 Benchmark]: ChcSmtPrinter took 29.48ms. Allocated memory is still 364.9MB. Free memory was 302.1MB in the beginning and 300.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 11:53:22,884 INFO L158 Benchmark]: ChcSolver took 92402.65ms. Allocated memory is still 364.9MB. Free memory was 300.5MB in the beginning and 327.4MB in the end (delta: -26.9MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. [2023-07-03 11:53:22,887 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 0.11ms. Allocated memory is still 364.9MB. Free memory is still 324.0MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 17.28ms. Allocated memory is still 364.9MB. Free memory was 323.0MB in the beginning and 321.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 113.23ms. Allocated memory is still 364.9MB. Free memory was 321.1MB in the beginning and 313.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 249.91ms. Allocated memory is still 364.9MB. Free memory was 313.2MB in the beginning and 302.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. * ChcSmtPrinter took 29.48ms. Allocated memory is still 364.9MB. Free memory was 302.1MB in the beginning and 300.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 92402.65ms. Allocated memory is still 364.9MB. Free memory was 300.5MB in the beginning and 327.4MB in the end (delta: -26.9MB). Peak memory consumption was 12.6MB. 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. [2023-07-03 11:53:22,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-07-03 11:53:23,100 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...