/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 --icfgtochc.conditional.independence NONE --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 -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 16:19:23,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-03 16:19:24,023 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 16:19:24,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-03 16:19:24,031 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-03 16:19:24,031 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-03 16:19:24,031 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-03 16:19:24,031 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-03 16:19:24,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-03 16:19:24,031 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-03 16:19:24,031 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-03 16:19:24,031 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-03 16:19:24,031 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-03 16:19:24,031 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-03 16:19:24,032 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-03 16:19:24,032 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-03 16:19:24,032 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.icfgtochc: Conditional Independence -> NONE 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 [2025-01-03 16:19:24,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-03 16:19:24,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-03 16:19:24,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-03 16:19:24,342 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-03 16:19:24,342 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-03 16:19:24,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl [2025-01-03 16:19:24,343 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/mutex-4/mutex-4.bpl' [2025-01-03 16:19:24,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-03 16:19:24,357 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-03 16:19:24,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-03 16:19:24,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-03 16:19:24,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-03 16:19:24,367 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,368 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,371 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,371 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,372 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,373 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,374 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,374 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,374 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-03 16:19:24,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-03 16:19:24,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-03 16:19:24,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-03 16:19:24,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.01 04:19:24" (1/1) ... [2025-01-03 16:19:24,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-03 16:19:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-03 16:19:24,400 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 16:19:24,406 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 16:19:24,429 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-03 16:19:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-03 16:19:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-03 16:19:24,463 INFO L234 CfgBuilder]: Building ICFG [2025-01-03 16:19:24,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-03 16:19:24,466 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-03 16:19:24,504 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-03 16:19:24,504 INFO L283 CfgBuilder]: Performing block encoding [2025-01-03 16:19:24,513 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-03 16:19:24,513 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-03 16:19:24,514 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.01 04:19:24 BoogieIcfgContainer [2025-01-03 16:19:24,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-03 16:19:24,514 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-03 16:19:24,514 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-03 16:19:24,514 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-03 16:19:24,515 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 04:19:24" (1/1) ... [2025-01-03 16:19:24,558 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 16:19:24,561 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2025-01-03 16:19:24,582 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 16:19:24,596 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 16:19:24,597 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2025-01-03 16:19:24,603 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume ctr < 4;ctr := ctr + 1;' is: true [2025-01-03 16:19:24,650 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 16:19:24,660 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume ctr < 4;ctr := ctr + 1;' and 'assume true;' is: true [2025-01-03 16:19:24,673 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 16:19:24,681 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;ctr := ctr - 1;' is: true [2025-01-03 16:19:24,684 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume true;' is: true [2025-01-03 16:19:24,691 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;ctr := ctr - 1;' and 'assume ctr < 4;ctr := ctr + 1;' is: false [2025-01-03 16:19:24,707 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 04:19:24 HornClauseAST [2025-01-03 16:19:24,707 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-03 16:19:24,708 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-03 16:19:24,708 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-03 16:19:24,708 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-03 16:19:24,708 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 04:19:24" (1/1) ... [2025-01-03 16:19:24,709 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_UID681588400443875280.smt2 [2025-01-03 16:19:24,724 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-03 16:19:24,724 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-03 16:19:24,724 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-03 16:19:24,724 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-03 16:19:24,731 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.01 04:19:24" (1/1) ... [2025-01-03 16:19:24,732 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_14194545697728951960.smt2 [2025-01-03 16:19:24,743 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2025-01-03 16:19:24,743 INFO L189 MonitoredProcess]: No working directory specified, using eld [2025-01-03 16:19:24,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_14194545697728951960.smt2 (exit command is null, workingDir is null) [2025-01-03 16:19:24,746 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_14194545697728951960.smt2 (2)] Waiting until timeout for monitored process [2025-01-03 16:19:58,064 INFO L201 PluginConnector]: Adding new model mutex-4.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.01 04:19:58 ChcSolution [2025-01-03 16:19:58,064 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-03 16:19:58,066 INFO L158 Benchmark]: Toolchain (without parser) took 33707.76ms. Allocated memory is still 167.8MB. Free memory was 147.7MB in the beginning and 134.9MB in the end (delta: 12.8MB). Peak memory consumption was 1.2MB. Max. memory is 22.0GB. [2025-01-03 16:19:58,067 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory was 148.6MB in the beginning and 148.6MB in the end (delta: 19.0kB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 16:19:58,067 INFO L158 Benchmark]: Boogie Preprocessor took 17.70ms. Allocated memory is still 167.8MB. Free memory was 147.7MB in the beginning and 146.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 16:19:58,067 INFO L158 Benchmark]: RCFGBuilder took 137.13ms. Allocated memory is still 167.8MB. Free memory was 146.3MB in the beginning and 138.7MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 16:19:58,067 INFO L158 Benchmark]: IcfgToChc took 193.24ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 142.0MB in the end (delta: -3.4MB). Peak memory consumption was 2.3MB. Max. memory is 22.0GB. [2025-01-03 16:19:58,072 INFO L158 Benchmark]: ChcSmtPrinter took 16.08ms. Allocated memory is still 167.8MB. Free memory was 142.0MB in the beginning and 140.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 16:19:58,072 INFO L158 Benchmark]: ChcSolver took 33340.09ms. Allocated memory is still 167.8MB. Free memory was 140.5MB in the beginning and 134.9MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-03 16:19:58,074 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 0.15ms. Allocated memory is still 167.8MB. Free memory was 148.6MB in the beginning and 148.6MB in the end (delta: 19.0kB). There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 17.70ms. Allocated memory is still 167.8MB. Free memory was 147.7MB in the beginning and 146.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 137.13ms. Allocated memory is still 167.8MB. Free memory was 146.3MB in the beginning and 138.7MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 193.24ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 142.0MB in the end (delta: -3.4MB). Peak memory consumption was 2.3MB. Max. memory is 22.0GB. * ChcSmtPrinter took 16.08ms. Allocated memory is still 167.8MB. Free memory was 142.0MB in the beginning and 140.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 33340.09ms. Allocated memory is still 167.8MB. Free memory was 140.5MB in the beginning and 134.9MB in the end (delta: 5.6MB). 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 16:19:58,079 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_14194545697728951960.smt2 (2)] Forcibly destroying the process [2025-01-03 16:19:58,177 INFO L540 MonitoredProcess]: [MP eld -disj /tmp/eldarica_14194545697728951960.smt2 (2)] Forceful destruction successful, exit code 137 [2025-01-03 16:19:58,182 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...