/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/equalsum-fork/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/equalsum-fork/equalsum-fork.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 15:58:54,425 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 15:58:54,477 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/ThreadModularVerifier.Settings.epf [2023-06-12 15:58:54,484 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 15:58:54,485 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 15:58:54,485 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 15:58:54,486 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 15:58:54,486 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 15:58:54,486 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 15:58:54,490 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 15:58:54,490 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 15:58:54,490 INFO L137 SettingsManager]: * Assume program has a precondition=false [2023-06-12 15:58:54,491 INFO L137 SettingsManager]: * Concurrency mode=SINGLE_MAIN_THREAD [2023-06-12 15:58:54,491 INFO L137 SettingsManager]: * Preference order used for reduction=LOCKSTEP [2023-06-12 15:58:54,492 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 15:58:54,492 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 15:58:54,492 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 15:58:54,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-06-12 15:58:54,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 15:58:54,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 15:58:54,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 15:58:54,699 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 15:58:54,701 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 15:58:54,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/equalsum-fork.bpl [2023-06-12 15:58:54,702 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/equalsum-fork.bpl' [2023-06-12 15:58:54,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 15:58:54,717 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 15:58:54,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 15:58:54,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 15:58:54,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 15:58:54,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 15:58:54,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 15:58:54,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 15:58:54,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 15:58:54,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-12 15:58:54,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:58:54,765 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 15:58:54,769 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 15:58:54,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-06-12 15:58:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-06-12 15:58:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-06-12 15:58:54,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 15:58:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 15:58:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 15:58:54,825 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 15:58:54,827 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 15:58:54,892 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 15:58:54,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-06-12 15:58:54,896 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 15:58:54,897 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:58:54 BoogieIcfgContainer [2023-06-12 15:58:54,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 15:58:54,898 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 15:58:54,898 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 15:58:54,898 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 15:58:54,900 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:58:54" (1/1) ... [2023-06-12 15:58:55,106 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:58:55 HornClauseAST [2023-06-12 15:58:55,106 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 15:58:55,107 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 15:58:55,107 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 15:58:55,107 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 15:58:55,108 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:58:55" (1/1) ... [2023-06-12 15:58:55,108 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/CHC_equalsum-fork.bpl_UID15275511322226461553.smt2 [2023-06-12 15:58:55,132 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 15:58:55,133 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 15:58:55,133 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 15:58:55,133 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 15:58:55,134 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:58:55" (1/1) ... [2023-06-12 15:58:55,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-06-12 15:58:55,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:58:55,137 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 15:58:55,138 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 15:58:55,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-06-12 15:58:55,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:58:55,152 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 15:58:55,155 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 15:58:58,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-06-12 15:58:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:58:58,092 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 15:58:58,093 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 15:58:58,095 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.06 03:58:58 ChcSolution [2023-06-12 15:58:58,095 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-06-12 15:58:58,096 INFO L158 Benchmark]: Toolchain (without parser) took 3379.17ms. Allocated memory is still 350.2MB. Free memory was 307.2MB in the beginning and 323.3MB in the end (delta: -16.1MB). Peak memory consumption was 48.4MB. Max. memory is 15.0GB. [2023-06-12 15:58:58,097 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 350.2MB. Free memory is still 308.3MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:58:58,097 INFO L158 Benchmark]: Boogie Preprocessor took 25.15ms. Allocated memory is still 350.2MB. Free memory was 307.2MB in the beginning and 305.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:58:58,097 INFO L158 Benchmark]: RCFGBuilder took 153.74ms. Allocated memory is still 350.2MB. Free memory was 305.2MB in the beginning and 295.7MB in the end (delta: 9.5MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. [2023-06-12 15:58:58,098 INFO L158 Benchmark]: IcfgToChc took 208.20ms. Allocated memory is still 350.2MB. Free memory was 295.7MB in the beginning and 286.4MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-06-12 15:58:58,098 INFO L158 Benchmark]: ChcSmtPrinter took 25.66ms. Allocated memory is still 350.2MB. Free memory was 286.4MB in the beginning and 283.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:58:58,098 INFO L158 Benchmark]: ChcSolver took 2962.47ms. Allocated memory is still 350.2MB. Free memory was 283.8MB in the beginning and 323.3MB in the end (delta: -39.5MB). Peak memory consumption was 25.3MB. Max. memory is 15.0GB. [2023-06-12 15:58:58,100 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 350.2MB. Free memory is still 308.3MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 25.15ms. Allocated memory is still 350.2MB. Free memory was 307.2MB in the beginning and 305.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. * RCFGBuilder took 153.74ms. Allocated memory is still 350.2MB. Free memory was 305.2MB in the beginning and 295.7MB in the end (delta: 9.5MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. * IcfgToChc took 208.20ms. Allocated memory is still 350.2MB. Free memory was 295.7MB in the beginning and 286.4MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 25.66ms. Allocated memory is still 350.2MB. Free memory was 286.4MB in the beginning and 283.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 2962.47ms. Allocated memory is still 350.2MB. Free memory was 283.8MB in the beginning and 323.3MB in the end (delta: -39.5MB). Peak memory consumption was 25.3MB. 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 15:58:58,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-06-12 15:58:58,321 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...