/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 ELDARICA --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 [2025-01-03 23:50:01,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-03 23:50:01,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/../ThreadModularVerifier.Settings.epf [2025-01-03 23:50:01,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-03 23:50:01,929 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-03 23:50:01,929 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-03 23:50:01,929 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-03 23:50:01,929 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-03 23:50:01,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-03 23:50:01,929 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-03 23:50:01,932 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-03 23:50:01,933 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-03 23:50:01,933 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-03 23:50:01,933 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-03 23:50:01,933 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-03 23:50:01,933 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-03 23:50:01,933 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 -> ELDARICA 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 [2025-01-03 23:50:02,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-03 23:50:02,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-03 23:50:02,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-03 23:50:02,227 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-03 23:50:02,227 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-03 23:50:02,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl [2025-01-03 23:50:02,228 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl' [2025-01-03 23:50:02,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-03 23:50:02,242 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-03 23:50:02,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-03 23:50:02,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-03 23:50:02,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-03 23:50:02,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-03 23:50:02,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-03 23:50:02,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-03 23:50:02,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-03 23:50:02,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-03 23:50:02,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-03 23:50:02,296 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) [2025-01-03 23:50:02,302 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 [2025-01-03 23:50:02,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-03 23:50:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-03 23:50:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-03 23:50:02,353 INFO L234 CfgBuilder]: Building ICFG [2025-01-03 23:50:02,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-03 23:50:02,357 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-03 23:50:02,395 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-03 23:50:02,395 INFO L283 CfgBuilder]: Performing block encoding [2025-01-03 23:50:02,403 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-03 23:50:02,403 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-03 23:50:02,404 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 11:50:02 BoogieIcfgContainer [2025-01-03 23:50:02,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-03 23:50:02,404 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-03 23:50:02,404 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-03 23:50:02,405 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-03 23:50:02,405 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,462 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 23:50:02,465 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2025-01-03 23:50:02,489 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 23:50:02,512 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 23:50:02,513 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2025-01-03 23:50:02,540 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 23:50:02,576 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 23:50:02,589 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2025-01-03 23:50:02,613 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 23:50:02,620 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 23:50:02,624 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2025-01-03 23:50:02,633 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: (not (= ctr 4)) [2025-01-03 23:50:02,647 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 11:50:02 HornClauseAST [2025-01-03 23:50:02,647 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-03 23:50:02,648 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-03 23:50:02,648 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-03 23:50:02,648 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-03 23:50:02,648 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,649 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_UID4875212079555393641.smt2 [2025-01-03 23:50:02,661 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-03 23:50:02,662 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-03 23:50:02,662 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-03 23:50:02,662 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-03 23:50:02,663 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 11:50:02" (1/1) ... [2025-01-03 23:50:02,664 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_6908849456862483647.smt2 [2025-01-03 23:50:02,680 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2025-01-03 23:50:02,680 INFO L189 MonitoredProcess]: No working directory specified, using eld [2025-01-03 23:50:02,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_6908849456862483647.smt2 (exit command is null, workingDir is null) [2025-01-03 23:50:02,687 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_6908849456862483647.smt2 (2)] Waiting until timeout for monitored process [2025-01-03 23:50:18,313 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.01 11:50:18 ChcSolution [2025-01-03 23:50:18,314 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-03 23:50:18,315 INFO L158 Benchmark]: Toolchain (without parser) took 16071.92ms. Allocated memory is still 167.8MB. Free memory was 148.3MB in the beginning and 136.7MB in the end (delta: 11.6MB). Peak memory consumption was 1.7MB. Max. memory is 22.0GB. [2025-01-03 23:50:18,315 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 23:50:18,315 INFO L158 Benchmark]: Boogie Preprocessor took 17.38ms. Allocated memory is still 167.8MB. Free memory was 148.2MB in the beginning and 146.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 23:50:18,319 INFO L158 Benchmark]: RCFGBuilder took 141.25ms. Allocated memory is still 167.8MB. Free memory was 146.8MB in the beginning and 139.2MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 23:50:18,319 INFO L158 Benchmark]: IcfgToChc took 242.88ms. Allocated memory is still 167.8MB. Free memory was 139.2MB in the beginning and 140.0MB in the end (delta: -817.3kB). Peak memory consumption was 19.0MB. Max. memory is 22.0GB. [2025-01-03 23:50:18,319 INFO L158 Benchmark]: ChcSmtPrinter took 13.79ms. Allocated memory is still 167.8MB. Free memory was 140.0MB in the beginning and 138.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 23:50:18,319 INFO L158 Benchmark]: ChcSolver took 15651.99ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 136.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 23:50:18,323 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 167.8MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 17.38ms. Allocated memory is still 167.8MB. Free memory was 148.2MB in the beginning and 146.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 141.25ms. Allocated memory is still 167.8MB. Free memory was 146.8MB in the beginning and 139.2MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 242.88ms. Allocated memory is still 167.8MB. Free memory was 139.2MB in the beginning and 140.0MB in the end (delta: -817.3kB). Peak memory consumption was 19.0MB. Max. memory is 22.0GB. * ChcSmtPrinter took 13.79ms. Allocated memory is still 167.8MB. Free memory was 140.0MB in the beginning and 138.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 15651.99ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 136.7MB in the end (delta: 1.9MB). 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. [2025-01-03 23:50:18,328 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_6908849456862483647.smt2 (2)] Forcibly destroying the process [2025-01-03 23:50:18,413 INFO L540 MonitoredProcess]: [MP eld -disj /tmp/eldarica_6908849456862483647.smt2 (2)] Forceful destruction successful, exit code 137 [2025-01-03 23:50:18,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...