/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.enable.sleep.set.reduction false --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-3a8dd60-m [2023-06-12 15:59:01,039 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 15:59:01,104 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-06-12 15:59:01,111 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 15:59:01,112 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 15:59:01,112 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 15:59:01,112 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 15:59:01,113 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 15:59:01,113 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 15:59:01,117 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 15:59:01,117 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 15:59:01,117 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 15:59:01,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-06-12 15:59:01,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 15:59:01,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 15:59:01,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 15:59:01,327 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 15:59:01,327 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 15:59:01,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-06-12 15:59:01,328 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-06-12 15:59:01,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 15:59:01,349 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 15:59:01,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 15:59:01,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 15:59:01,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 15:59:01,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 15:59:01,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 15:59:01,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 15:59:01,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 15:59:01,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-12 15:59:01,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:59:01,392 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) [2023-06-12 15:59:01,399 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 [2023-06-12 15:59:01,428 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 15:59:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 15:59:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 15:59:01,459 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 15:59:01,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 15:59:01,463 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-12 15:59:01,499 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 15:59:01,503 INFO L294 CfgBuilder]: Using library mode [2023-06-12 15:59:01,503 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 15:59:01,505 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:59:01 BoogieIcfgContainer [2023-06-12 15:59:01,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 15:59:01,505 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 15:59:01,505 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 15:59:01,506 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 15:59:01,507 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,690 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:59:01 HornClauseAST [2023-06-12 15:59:01,690 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 15:59:01,690 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 15:59:01,690 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 15:59:01,691 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 15:59:01,693 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,694 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_UID17106546987039975264.smt2 [2023-06-12 15:59:01,707 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 15:59:01,707 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 15:59:01,707 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 15:59:01,707 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 15:59:01,713 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:59:01" (1/1) ... [2023-06-12 15:59:01,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-06-12 15:59:01,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:59:01,715 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) [2023-06-12 15:59:01,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-06-12 15:59:01,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-06-12 15:59:01,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:59:01,732 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) [2023-06-12 15:59:01,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-06-12 15:59:07,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-06-12 15:59:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:59:07,658 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) [2023-06-12 15:59:07,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-06-12 15:59:07,662 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.06 03:59:07 ChcSolution [2023-06-12 15:59:07,662 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-06-12 15:59:07,664 INFO L158 Benchmark]: Toolchain (without parser) took 6314.35ms. Allocated memory is still 348.1MB. Free memory was 302.4MB in the beginning and 280.1MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 15.0GB. [2023-06-12 15:59:07,664 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 348.1MB. Free memory is still 303.3MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:59:07,664 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 348.1MB. Free memory was 302.2MB in the beginning and 300.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:59:07,665 INFO L158 Benchmark]: RCFGBuilder took 133.60ms. Allocated memory is still 348.1MB. Free memory was 300.3MB in the beginning and 292.4MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-06-12 15:59:07,665 INFO L158 Benchmark]: IcfgToChc took 184.61ms. Allocated memory is still 348.1MB. Free memory was 292.4MB in the beginning and 286.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-06-12 15:59:07,666 INFO L158 Benchmark]: ChcSmtPrinter took 16.42ms. Allocated memory is still 348.1MB. Free memory was 286.1MB in the beginning and 285.3MB in the end (delta: 799.9kB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:59:07,666 INFO L158 Benchmark]: ChcSolver took 5955.09ms. Allocated memory is still 348.1MB. Free memory was 285.3MB in the beginning and 280.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-06-12 15:59:07,668 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 0.13ms. Allocated memory is still 348.1MB. Free memory is still 303.3MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 348.1MB. Free memory was 302.2MB in the beginning and 300.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 133.60ms. Allocated memory is still 348.1MB. Free memory was 300.3MB in the beginning and 292.4MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * IcfgToChc took 184.61ms. Allocated memory is still 348.1MB. Free memory was 292.4MB in the beginning and 286.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 16.42ms. Allocated memory is still 348.1MB. Free memory was 286.1MB in the beginning and 285.3MB in the end (delta: 799.9kB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 5955.09ms. Allocated memory is still 348.1MB. Free memory was 285.3MB in the beginning and 280.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnsatResult: UNSAT The given horn clause set is UNSAT RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-06-12 15:59:07,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-06-12 15:59:07,891 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...