/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 --icfgtochc.conditional.independence NONE --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 Z3 -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 [2024-12-19 19:11:26,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-19 19:11:26,253 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 [2024-12-19 19:11:26,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-19 19:11:26,260 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2024-12-19 19:11:26,260 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2024-12-19 19:11:26,260 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2024-12-19 19:11:26,260 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2024-12-19 19:11:26,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-19 19:11:26,261 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2024-12-19 19:11:26,261 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2024-12-19 19:11:26,261 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2024-12-19 19:11:26,261 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2024-12-19 19:11:26,261 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2024-12-19 19:11:26,261 INFO L153 SettingsManager]: * Save file in source directory=true [2024-12-19 19:11:26,261 INFO L153 SettingsManager]: * Use automatic naming=true [2024-12-19 19:11:26,261 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.icfgtochc: Conditional Independence -> NONE 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 -> Z3 [2024-12-19 19:11:26,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-19 19:11:26,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-19 19:11:26,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-19 19:11:26,458 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-19 19:11:26,460 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-19 19:11:26,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl [2024-12-19 19:11:26,463 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl' [2024-12-19 19:11:26,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-19 19:11:26,474 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-12-19 19:11:26,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-19 19:11:26,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-19 19:11:26,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-19 19:11:26,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-19 19:11:26,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-19 19:11:26,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-19 19:11:26,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-19 19:11:26,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-19 19:11:26,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-19 19:11:26,518 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 19:11:26,520 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 19:11:26,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2024-12-19 19:11:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-12-19 19:11:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-12-19 19:11:26,564 INFO L234 CfgBuilder]: Building ICFG [2024-12-19 19:11:26,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-19 19:11:26,567 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-19 19:11:26,590 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2024-12-19 19:11:26,591 INFO L283 CfgBuilder]: Performing block encoding [2024-12-19 19:11:26,596 INFO L304 CfgBuilder]: Using library mode [2024-12-19 19:11:26,596 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-19 19:11:26,597 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:11:26 BoogieIcfgContainer [2024-12-19 19:11:26,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-19 19:11:26,598 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2024-12-19 19:11:26,598 INFO L270 PluginConnector]: Initializing IcfgToChc... [2024-12-19 19:11:26,599 INFO L274 PluginConnector]: IcfgToChc initialized [2024-12-19 19:11:26,600 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,658 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2024-12-19 19:11:26,662 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-19 19:11:26,688 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2024-12-19 19:11:26,697 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2024-12-19 19:11:26,706 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2024-12-19 19:11:26,710 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2024-12-19 19:11:26,726 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2024-12-19 19:11:26,731 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-19 19:11:26,752 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 07:11:26 HornClauseAST [2024-12-19 19:11:26,752 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2024-12-19 19:11:26,753 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2024-12-19 19:11:26,753 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2024-12-19 19:11:26,753 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2024-12-19 19:11:26,753 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,754 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_UID6723077399050877510.smt2 [2024-12-19 19:11:26,771 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2024-12-19 19:11:26,771 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2024-12-19 19:11:26,771 INFO L270 PluginConnector]: Initializing ChcSolver... [2024-12-19 19:11:26,771 INFO L274 PluginConnector]: ChcSolver initialized [2024-12-19 19:11:26,772 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 07:11:26" (1/1) ... [2024-12-19 19:11:26,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 [2024-12-19 19:11:26,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-19 19:11:26,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (exit command is (exit), workingDir is null) [2024-12-19 19:11:26,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (2)] Waiting until timeout for monitored process [2024-12-19 19:11:26,780 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (2)] Exception during sending of exit command (exit): Broken pipe [2024-12-19 19:11:26,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (2)] Forceful destruction successful, exit code 0 [2024-12-19 19:11:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-19 19:11:26,783 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (exit command is (exit), workingDir is null) [2024-12-19 19:11:26,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (3)] Waiting until timeout for monitored process [2024-12-19 19:12:20,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (3)] Ended with exit code 0 [2024-12-19 19:12:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-19 19:12:20,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (exit command is (exit), workingDir is null) [2024-12-19 19:12:20,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (4)] Waiting until timeout for monitored process [2024-12-19 19:12:20,674 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 19.12 07:12:20 ChcSolution [2024-12-19 19:12:20,674 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2024-12-19 19:12:20,675 INFO L158 Benchmark]: Toolchain (without parser) took 54200.28ms. Allocated memory is still 285.2MB. Free memory was 205.5MB in the beginning and 166.1MB in the end (delta: 39.3MB). Peak memory consumption was 33.6MB. Max. memory is 22.0GB. [2024-12-19 19:12:20,675 INFO L158 Benchmark]: Boogie PL CUP Parser took 1.02ms. Allocated memory is still 285.2MB. Free memory is still 206.4MB. There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 19:12:20,675 INFO L158 Benchmark]: Boogie Preprocessor took 15.34ms. Allocated memory is still 285.2MB. Free memory was 205.5MB in the beginning and 204.5MB in the end (delta: 969.4kB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 19:12:20,675 INFO L158 Benchmark]: RCFGBuilder took 106.43ms. Allocated memory is still 285.2MB. Free memory was 204.5MB in the beginning and 195.4MB in the end (delta: 9.1MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 19:12:20,676 INFO L158 Benchmark]: IcfgToChc took 153.95ms. Allocated memory is still 285.2MB. Free memory was 195.4MB in the beginning and 185.8MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-19 19:12:20,676 INFO L158 Benchmark]: ChcSmtPrinter took 18.23ms. Allocated memory is still 285.2MB. Free memory was 185.8MB in the beginning and 183.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 19:12:20,676 INFO L158 Benchmark]: ChcSolver took 53902.45ms. Allocated memory is still 285.2MB. Free memory was 183.9MB in the beginning and 166.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-19 19:12:20,679 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 1.02ms. Allocated memory is still 285.2MB. Free memory is still 206.4MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 15.34ms. Allocated memory is still 285.2MB. Free memory was 205.5MB in the beginning and 204.5MB in the end (delta: 969.4kB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 106.43ms. Allocated memory is still 285.2MB. Free memory was 204.5MB in the beginning and 195.4MB in the end (delta: 9.1MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 153.95ms. Allocated memory is still 285.2MB. Free memory was 195.4MB in the beginning and 185.8MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSmtPrinter took 18.23ms. Allocated memory is still 285.2MB. Free memory was 185.8MB in the beginning and 183.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 53902.45ms. Allocated memory is still 285.2MB. Free memory was 183.9MB in the beginning and 166.1MB in the end (delta: 17.7MB). 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 19:12:20,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:60000 (4)] Ended with exit code 0 [2024-12-19 19:12:20,892 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...