/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 POSTCONDITION --icfgtochc.thread-modular.proof.level 2 --icfgtochc.preference.order.used.for.reduction SEQ_COMP --chcsolver.timeout 60000 -s ../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend ELDARICA --icfgtochc.conditional.independence NECESSARY_AND_SUFFICIENT -i ../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2025-01-04 03:36:24,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-04 03:36:24,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/../ThreadModularVerifier.Settings.epf [2025-01-04 03:36:24,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-04 03:36:24,536 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-04 03:36:24,536 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-04 03:36:24,537 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-04 03:36:24,537 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-04 03:36:24,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-04 03:36:24,537 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-04 03:36:24,537 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-04 03:36:24,537 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-04 03:36:24,537 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-04 03:36:24,537 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-04 03:36:24,538 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-04 03:36:24,538 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-04 03:36:24,538 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 -> POSTCONDITION 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 -> 60000 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: Conditional Independence -> NECESSARY_AND_SUFFICIENT [2025-01-04 03:36:24,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-04 03:36:24,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-04 03:36:24,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-04 03:36:24,857 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-04 03:36:24,857 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-04 03:36:24,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl [2025-01-04 03:36:24,858 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl' [2025-01-04 03:36:24,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-04 03:36:24,880 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-04 03:36:24,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-04 03:36:24,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-04 03:36:24,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-04 03:36:24,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-04 03:36:24,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-04 03:36:24,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-04 03:36:24,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-04 03:36:24,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 03:36:24" (1/1) ... [2025-01-04 03:36:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-04 03:36:24,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-04 03:36:24,931 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) [2025-01-04 03:36:24,941 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 [2025-01-04 03:36:24,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2025-01-04 03:36:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-01-04 03:36:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-01-04 03:36:25,000 INFO L234 CfgBuilder]: Building ICFG [2025-01-04 03:36:25,001 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-04 03:36:25,003 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 03:36:25,031 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2025-01-04 03:36:25,031 INFO L283 CfgBuilder]: Performing block encoding [2025-01-04 03:36:25,037 INFO L304 CfgBuilder]: Using library mode [2025-01-04 03:36:25,037 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-04 03:36:25,038 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 03:36:25 BoogieIcfgContainer [2025-01-04 03:36:25,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-04 03:36:25,038 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-04 03:36:25,039 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-04 03:36:25,039 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-04 03:36:25,040 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 03:36:25" (1/1) ... [2025-01-04 03:36:25,113 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:36:25,127 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:36:25,172 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2025-01-04 03:36:25,186 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2025-01-04 03:36:25,238 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2025-01-04 03:36:25,248 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2025-01-04 03:36:25,264 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2025-01-04 03:36:25,274 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2025-01-04 03:36:25,310 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 03:36:25 HornClauseAST [2025-01-04 03:36:25,310 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-04 03:36:25,311 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-04 03:36:25,311 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-04 03:36:25,311 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-04 03:36:25,312 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 03:36:25" (1/1) ... [2025-01-04 03:36:25,313 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/CHC_inc-dec-eq0.bpl_UID1942880273872666293.smt2 [2025-01-04 03:36:25,333 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-04 03:36:25,334 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-04 03:36:25,334 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-04 03:36:25,334 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-04 03:36:25,335 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 03:36:25" (1/1) ... [2025-01-04 03:36:25,336 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_233087871746035336.smt2 [2025-01-04 03:36:25,357 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2025-01-04 03:36:25,357 INFO L189 MonitoredProcess]: No working directory specified, using eld [2025-01-04 03:36:25,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_233087871746035336.smt2 (exit command is null, workingDir is null) [2025-01-04 03:36:25,366 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_233087871746035336.smt2 (2)] Waiting until timeout for monitored process [2025-01-04 03:37:32,229 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 04.01 03:37:32 ChcSolution [2025-01-04 03:37:32,229 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2025-01-04 03:37:32,231 INFO L158 Benchmark]: Toolchain (without parser) took 67350.65ms. Allocated memory is still 201.3MB. Free memory was 180.9MB in the beginning and 170.0MB in the end (delta: 10.9MB). Peak memory consumption was 1.2MB. Max. memory is 22.0GB. [2025-01-04 03:37:32,231 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 181.7MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 03:37:32,231 INFO L158 Benchmark]: Boogie Preprocessor took 19.80ms. Allocated memory is still 201.3MB. Free memory was 180.8MB in the beginning and 179.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 03:37:32,232 INFO L158 Benchmark]: RCFGBuilder took 136.35ms. Allocated memory is still 201.3MB. Free memory was 179.5MB in the beginning and 172.3MB in the end (delta: 7.1MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 03:37:32,232 INFO L158 Benchmark]: IcfgToChc took 272.02ms. Allocated memory is still 201.3MB. Free memory was 172.3MB in the beginning and 177.3MB in the end (delta: -5.1MB). Peak memory consumption was 19.1MB. Max. memory is 22.0GB. [2025-01-04 03:37:32,236 INFO L158 Benchmark]: ChcSmtPrinter took 22.15ms. Allocated memory is still 201.3MB. Free memory was 177.3MB in the beginning and 175.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 03:37:32,236 INFO L158 Benchmark]: ChcSolver took 66895.64ms. Allocated memory is still 201.3MB. Free memory was 175.7MB in the beginning and 170.0MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 03:37:32,238 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 0.19ms. Allocated memory is still 201.3MB. Free memory is still 181.7MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 19.80ms. Allocated memory is still 201.3MB. Free memory was 180.8MB in the beginning and 179.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 136.35ms. Allocated memory is still 201.3MB. Free memory was 179.5MB in the beginning and 172.3MB in the end (delta: 7.1MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 272.02ms. Allocated memory is still 201.3MB. Free memory was 172.3MB in the beginning and 177.3MB in the end (delta: -5.1MB). Peak memory consumption was 19.1MB. Max. memory is 22.0GB. * ChcSmtPrinter took 22.15ms. Allocated memory is still 201.3MB. Free memory was 177.3MB in the beginning and 175.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 66895.64ms. Allocated memory is still 201.3MB. Free memory was 175.7MB in the beginning and 170.0MB in the end (delta: 5.7MB). 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. [2025-01-04 03:37:32,252 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_233087871746035336.smt2 (2)] Forcibly destroying the process [2025-01-04 03:37:32,309 INFO L540 MonitoredProcess]: [MP eld -disj /tmp/eldarica_233087871746035336.smt2 (2)] Forceful destruction successful, exit code 0 [2025-01-04 03:37:32,315 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...