/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx22000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --icfgtochc.assume.program.has.a.precondition True --icfgtochc.specification.mode ASSERT_VIOLATIONS --icfgtochc.thread-modular.proof.level 2 --icfgtochc.preference.order.used.for.reduction SEQ_COMP --chcsolver.timeout 5000 -s ../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend Z3 --icfgtochc.use.nondeterministic.sleep.update.encoding true --icfgtochc.conditional.independence NECESSARY_AND_SUFFICIENT -i ../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2024-12-31 13:58:26,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-31 13:58:26,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf [2024-12-31 13:58:26,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-31 13:58:26,784 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2024-12-31 13:58:26,784 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2024-12-31 13:58:26,784 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2024-12-31 13:58:26,784 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2024-12-31 13:58:26,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-31 13:58:26,784 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2024-12-31 13:58:26,785 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2024-12-31 13:58:26,785 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2024-12-31 13:58:26,785 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2024-12-31 13:58:26,785 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2024-12-31 13:58:26,785 INFO L153 SettingsManager]: * Save file in source directory=true [2024-12-31 13:58:26,786 INFO L153 SettingsManager]: * Use automatic naming=true [2024-12-31 13:58:26,786 INFO L153 SettingsManager]: * File name=CHC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Assume program has a precondition -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Specification mode -> ASSERT_VIOLATIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Thread-Modular Proof Level -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Preference order used for reduction -> SEQ_COMP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Timeout -> 5000 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.icfgtochc: Use nondeterministic sleep update encoding -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2024-12-31 13:58:27,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-31 13:58:27,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-31 13:58:27,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-31 13:58:27,049 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-31 13:58:27,050 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-31 13:58:27,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl [2024-12-31 13:58:27,054 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl' [2024-12-31 13:58:27,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-31 13:58:27,067 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-12-31 13:58:27,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-31 13:58:27,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-31 13:58:27,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-31 13:58:27,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-31 13:58:27,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-31 13:58:27,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-31 13:58:27,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-31 13:58:27,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-31 13:58:27,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:58:27,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-31 13:58:27,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-31 13:58:27,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-31 13:58:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-31 13:58:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-31 13:58:27,159 INFO L234 CfgBuilder]: Building ICFG [2024-12-31 13:58:27,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-31 13:58:27,162 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-31 13:58:27,188 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2024-12-31 13:58:27,189 INFO L283 CfgBuilder]: Performing block encoding [2024-12-31 13:58:27,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-31 13:58:27,200 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-31 13:58:27,201 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 01:58:27 BoogieIcfgContainer [2024-12-31 13:58:27,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-31 13:58:27,202 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2024-12-31 13:58:27,202 INFO L270 PluginConnector]: Initializing IcfgToChc... [2024-12-31 13:58:27,202 INFO L274 PluginConnector]: IcfgToChc initialized [2024-12-31 13:58:27,204 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,267 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 13:58:27,269 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2024-12-31 13:58:27,299 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2024-12-31 13:58:27,317 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 13:58:27,317 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2024-12-31 13:58:27,334 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2024-12-31 13:58:27,403 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 13:58:27,420 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2024-12-31 13:58:27,439 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2024-12-31 13:58:27,448 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2024-12-31 13:58:27,451 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2024-12-31 13:58:27,459 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: (not (= ctr 4)) [2024-12-31 13:58:27,477 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 01:58:27 HornClauseAST [2024-12-31 13:58:27,477 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2024-12-31 13:58:27,481 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2024-12-31 13:58:27,481 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2024-12-31 13:58:27,481 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2024-12-31 13:58:27,482 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,484 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/CHC_mutex-4.bpl_UID7631155924177146476.smt2 [2024-12-31 13:58:27,500 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2024-12-31 13:58:27,505 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2024-12-31 13:58:27,505 INFO L270 PluginConnector]: Initializing ChcSolver... [2024-12-31 13:58:27,505 INFO L274 PluginConnector]: ChcSolver initialized [2024-12-31 13:58:27,506 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.12 01:58:27" (1/1) ... [2024-12-31 13:58:27,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 [2024-12-31 13:58:27,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:58:27,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (exit command is (exit), workingDir is null) [2024-12-31 13:58:27,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (2)] Waiting until timeout for monitored process [2024-12-31 13:58:27,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (2)] Ended with exit code 0 [2024-12-31 13:58:27,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:58:27,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (exit command is (exit), workingDir is null) [2024-12-31 13:58:27,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (3)] Waiting until timeout for monitored process [2024-12-31 13:58:29,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (3)] Ended with exit code 0 [2024-12-31 13:58:29,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-31 13:58:29,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (exit command is (exit), workingDir is null) [2024-12-31 13:58:29,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (4)] Waiting until timeout for monitored process [2024-12-31 13:58:29,860 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 31.12 01:58:29 ChcSolution [2024-12-31 13:58:29,860 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2024-12-31 13:58:29,863 INFO L158 Benchmark]: Toolchain (without parser) took 2793.52ms. Allocated memory is still 167.8MB. Free memory was 148.0MB in the beginning and 133.8MB in the end (delta: 14.2MB). Peak memory consumption was 935.8kB. Max. memory is 22.0GB. [2024-12-31 13:58:29,864 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:58:29,865 INFO L158 Benchmark]: Boogie Preprocessor took 14.90ms. Allocated memory is still 167.8MB. Free memory was 148.0MB in the beginning and 146.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:58:29,866 INFO L158 Benchmark]: RCFGBuilder took 118.75ms. Allocated memory is still 167.8MB. Free memory was 146.6MB in the beginning and 139.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:58:29,870 INFO L158 Benchmark]: IcfgToChc took 278.11ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 140.5MB in the end (delta: -1.5MB). Peak memory consumption was 19.1MB. Max. memory is 22.0GB. [2024-12-31 13:58:29,870 INFO L158 Benchmark]: ChcSmtPrinter took 19.05ms. Allocated memory is still 167.8MB. Free memory was 140.5MB in the beginning and 139.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:58:29,870 INFO L158 Benchmark]: ChcSolver took 2355.06ms. Allocated memory is still 167.8MB. Free memory was 139.1MB in the beginning and 133.8MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-31 13:58:29,872 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 0.20ms. Allocated memory is still 167.8MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 14.90ms. Allocated memory is still 167.8MB. Free memory was 148.0MB in the beginning and 146.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 118.75ms. Allocated memory is still 167.8MB. Free memory was 146.6MB in the beginning and 139.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 278.11ms. Allocated memory is still 167.8MB. Free memory was 139.0MB in the beginning and 140.5MB in the end (delta: -1.5MB). Peak memory consumption was 19.1MB. Max. memory is 22.0GB. * ChcSmtPrinter took 19.05ms. Allocated memory is still 167.8MB. Free memory was 140.5MB in the beginning and 139.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 2355.06ms. Allocated memory is still 167.8MB. Free memory was 139.1MB in the beginning and 133.8MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 22.0GB. * 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. [2024-12-31 13:58:29,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:5000 (4)] Ended with exit code 0 [2024-12-31 13:58:30,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...