/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/inc-dec-geq0/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --chcsolver.chc.solver.backend ELDARICA -i ../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2024-12-19 17:25:34,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-19 17:25:34,599 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-geq0/../ThreadModularVerifier.Settings.epf [2024-12-19 17:25:34,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-19 17:25:34,607 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2024-12-19 17:25:34,607 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2024-12-19 17:25:34,607 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2024-12-19 17:25:34,607 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2024-12-19 17:25:34,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-19 17:25:34,607 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2024-12-19 17:25:34,607 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2024-12-19 17:25:34,607 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2024-12-19 17:25:34,608 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2024-12-19 17:25:34,608 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2024-12-19 17:25:34,608 INFO L153 SettingsManager]: * Save file in source directory=true [2024-12-19 17:25:34,608 INFO L153 SettingsManager]: * Use automatic naming=true [2024-12-19 17:25:34,608 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 [2024-12-19 17:25:34,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-19 17:25:34,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-19 17:25:34,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-19 17:25:34,805 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-19 17:25:34,806 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-19 17:25:34,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-geq0/inc-dec-geq0.bpl [2024-12-19 17:25:34,808 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-geq0/inc-dec-geq0.bpl' [2024-12-19 17:25:34,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-19 17:25:34,819 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-12-19 17:25:34,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-19 17:25:34,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-19 17:25:34,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-19 17:25:34,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-19 17:25:34,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-19 17:25:34,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-19 17:25:34,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-19 17:25:34,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:34,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-19 17:25:34,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-19 17:25:34,861 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) [2024-12-19 17:25:34,870 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 [2024-12-19 17:25:34,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2024-12-19 17:25:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-12-19 17:25:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-12-19 17:25:34,915 INFO L234 CfgBuilder]: Building ICFG [2024-12-19 17:25:34,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-19 17:25:34,919 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-19 17:25:34,950 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2024-12-19 17:25:34,951 INFO L283 CfgBuilder]: Performing block encoding [2024-12-19 17:25:34,960 INFO L304 CfgBuilder]: Using library mode [2024-12-19 17:25:34,961 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-19 17:25:34,962 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:25:34 BoogieIcfgContainer [2024-12-19 17:25:34,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-19 17:25:34,962 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2024-12-19 17:25:34,962 INFO L270 PluginConnector]: Initializing IcfgToChc... [2024-12-19 17:25:34,963 INFO L274 PluginConnector]: IcfgToChc initialized [2024-12-19 17:25:34,964 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:25:34" (1/1) ... [2024-12-19 17:25:35,018 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2024-12-19 17:25:35,023 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'assume true;' is: true [2024-12-19 17:25:35,034 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2024-12-19 17:25:35,040 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-19 17:25:35,071 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2024-12-19 17:25:35,076 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2024-12-19 17:25:35,095 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2024-12-19 17:25:35,103 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2024-12-19 17:25:35,116 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2024-12-19 17:25:35,123 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2024-12-19 17:25:35,132 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2024-12-19 17:25:35,136 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2024-12-19 17:25:35,141 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2024-12-19 17:25:35,142 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2024-12-19 17:25:35,147 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2024-12-19 17:25:35,153 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2024-12-19 17:25:35,161 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2024-12-19 17:25:35,162 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2024-12-19 17:25:35,167 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2024-12-19 17:25:35,172 INFO L161 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2024-12-19 17:25:35,205 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 05:25:35 HornClauseAST [2024-12-19 17:25:35,205 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2024-12-19 17:25:35,205 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2024-12-19 17:25:35,205 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2024-12-19 17:25:35,205 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2024-12-19 17:25:35,206 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 05:25:35" (1/1) ... [2024-12-19 17:25:35,207 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-geq0/CHC_inc-dec-geq0.bpl_UID6628131112122305519.smt2 [2024-12-19 17:25:35,229 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2024-12-19 17:25:35,230 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2024-12-19 17:25:35,230 INFO L270 PluginConnector]: Initializing ChcSolver... [2024-12-19 17:25:35,230 INFO L274 PluginConnector]: ChcSolver initialized [2024-12-19 17:25:35,232 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 05:25:35" (1/1) ... [2024-12-19 17:25:35,233 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_16354366420369220954.smt2 [2024-12-19 17:25:35,249 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2024-12-19 17:25:35,250 INFO L189 MonitoredProcess]: No working directory specified, using eld [2024-12-19 17:25:35,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_16354366420369220954.smt2 (exit command is null, workingDir is null) [2024-12-19 17:25:35,256 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_16354366420369220954.smt2 (2)] Waiting until timeout for monitored process [2024-12-19 17:26:11,427 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 19.12 05:26:11 ChcSolution [2024-12-19 17:26:11,428 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2024-12-19 17:26:11,429 INFO L158 Benchmark]: Toolchain (without parser) took 36608.90ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 120.5MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 22.0GB. [2024-12-19 17:26:11,429 INFO L158 Benchmark]: Boogie PL CUP Parser took 1.05ms. Allocated memory is still 234.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 17:26:11,429 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 154.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 17:26:11,430 INFO L158 Benchmark]: RCFGBuilder took 125.61ms. Allocated memory is still 234.9MB. Free memory was 154.3MB in the beginning and 146.4MB in the end (delta: 8.0MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 17:26:11,430 INFO L158 Benchmark]: IcfgToChc took 242.51ms. Allocated memory is still 234.9MB. Free memory was 146.4MB in the beginning and 133.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-19 17:26:11,430 INFO L158 Benchmark]: ChcSmtPrinter took 24.14ms. Allocated memory is still 234.9MB. Free memory was 133.4MB in the beginning and 132.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 17:26:11,430 INFO L158 Benchmark]: ChcSolver took 36197.97ms. Allocated memory is still 234.9MB. Free memory was 132.1MB in the beginning and 120.5MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-19 17:26:11,432 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 1.05ms. Allocated memory is still 234.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 154.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 125.61ms. Allocated memory is still 234.9MB. Free memory was 154.3MB in the beginning and 146.4MB in the end (delta: 8.0MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 242.51ms. Allocated memory is still 234.9MB. Free memory was 146.4MB in the beginning and 133.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSmtPrinter took 24.14ms. Allocated memory is still 234.9MB. Free memory was 133.4MB in the beginning and 132.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 36197.97ms. Allocated memory is still 234.9MB. Free memory was 132.1MB in the beginning and 120.5MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. 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. [2024-12-19 17:26:11,442 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_16354366420369220954.smt2 (2)] Forcibly destroying the process [2024-12-19 17:26:11,537 INFO L540 MonitoredProcess]: [MP eld -disj /tmp/eldarica_16354366420369220954.smt2 (2)] Forceful destruction successful, exit code 137 [2024-12-19 17:26:11,542 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...