/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 GOLEM -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 21:56:40,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-19 21:56:40,350 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 21:56:40,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-19 21:56:40,357 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2024-12-19 21:56:40,357 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2024-12-19 21:56:40,357 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2024-12-19 21:56:40,357 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2024-12-19 21:56:40,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-19 21:56:40,357 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2024-12-19 21:56:40,358 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2024-12-19 21:56:40,358 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2024-12-19 21:56:40,358 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2024-12-19 21:56:40,358 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2024-12-19 21:56:40,358 INFO L153 SettingsManager]: * Save file in source directory=true [2024-12-19 21:56:40,358 INFO L153 SettingsManager]: * Use automatic naming=true [2024-12-19 21:56:40,358 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 -> GOLEM [2024-12-19 21:56:40,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-19 21:56:40,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-19 21:56:40,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-19 21:56:40,563 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-19 21:56:40,563 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-19 21:56:40,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl [2024-12-19 21:56:40,565 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/inc-dec-eq0/inc-dec-eq0.bpl' [2024-12-19 21:56:40,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-19 21:56:40,577 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-12-19 21:56:40,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-19 21:56:40,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-19 21:56:40,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-19 21:56:40,586 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,587 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,589 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,589 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,590 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,590 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,591 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,592 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,592 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-19 21:56:40,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-19 21:56:40,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-19 21:56:40,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-19 21:56:40,594 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-19 21:56:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-19 21:56:40,624 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 21:56:40,631 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 21:56:40,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2024-12-19 21:56:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-12-19 21:56:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-12-19 21:56:40,676 INFO L234 CfgBuilder]: Building ICFG [2024-12-19 21:56:40,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-19 21:56:40,680 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-19 21:56:40,709 INFO L? ?]: Removed 0 outVars from TransFormulas that were not future-live. [2024-12-19 21:56:40,709 INFO L283 CfgBuilder]: Performing block encoding [2024-12-19 21:56:40,718 INFO L304 CfgBuilder]: Using library mode [2024-12-19 21:56:40,718 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-19 21:56:40,719 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:56:40 BoogieIcfgContainer [2024-12-19 21:56:40,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-19 21:56:40,720 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2024-12-19 21:56:40,720 INFO L270 PluginConnector]: Initializing IcfgToChc... [2024-12-19 21:56:40,720 INFO L274 PluginConnector]: IcfgToChc initialized [2024-12-19 21:56:40,722 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,777 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2024-12-19 21:56:40,782 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-19 21:56:40,812 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2024-12-19 21:56:40,822 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2024-12-19 21:56:40,832 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2024-12-19 21:56:40,837 INFO L161 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2024-12-19 21:56:40,845 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x - 1;' is: true [2024-12-19 21:56:40,850 INFO L161 IndependenceChecker]: instantiated independence condition for '<[ dummy edge: assume true; ]>' and 'x := x + 1;' is: true [2024-12-19 21:56:40,872 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 19.12 09:56:40 HornClauseAST [2024-12-19 21:56:40,872 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2024-12-19 21:56:40,873 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2024-12-19 21:56:40,873 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2024-12-19 21:56:40,873 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2024-12-19 21:56:40,873 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,874 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_UID6070078488692587440.smt2 [2024-12-19 21:56:40,890 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2024-12-19 21:56:40,890 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2024-12-19 21:56:40,890 INFO L270 PluginConnector]: Initializing ChcSolver... [2024-12-19 21:56:40,890 INFO L274 PluginConnector]: ChcSolver initialized [2024-12-19 21:56:40,891 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 09:56:40" (1/1) ... [2024-12-19 21:56:40,892 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_12248775584896973191.smt2 [2024-12-19 21:56:40,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem [2024-12-19 21:56:40,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_12248775584896973191.smt2 (exit command is null, workingDir is null) [2024-12-19 21:56:40,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_12248775584896973191.smt2 (2)] Waiting until timeout for monitored process [2024-12-19 21:56:58,739 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 19.12 09:56:58 ChcSolution [2024-12-19 21:56:58,739 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2024-12-19 21:56:58,740 INFO L158 Benchmark]: Toolchain (without parser) took 18162.77ms. Allocated memory is still 234.9MB. Free memory was 144.0MB in the beginning and 113.7MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 22.0GB. [2024-12-19 21:56:58,740 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.85ms. Allocated memory is still 234.9MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 21:56:58,741 INFO L158 Benchmark]: Boogie Preprocessor took 15.14ms. Allocated memory is still 234.9MB. Free memory was 144.0MB in the beginning and 141.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 21:56:58,741 INFO L158 Benchmark]: RCFGBuilder took 125.11ms. Allocated memory is still 234.9MB. Free memory was 141.7MB in the beginning and 133.9MB in the end (delta: 7.8MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-19 21:56:58,742 INFO L158 Benchmark]: IcfgToChc took 152.37ms. Allocated memory is still 234.9MB. Free memory was 133.9MB in the beginning and 124.9MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 21:56:58,743 INFO L158 Benchmark]: ChcSmtPrinter took 16.88ms. Allocated memory is still 234.9MB. Free memory was 124.9MB in the beginning and 121.9MB in the end (delta: 3.1MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2024-12-19 21:56:58,743 INFO L158 Benchmark]: ChcSolver took 17849.09ms. Allocated memory is still 234.9MB. Free memory was 121.9MB in the beginning and 113.7MB in the end (delta: 8.2MB). There was no memory consumed. Max. memory is 22.0GB. [2024-12-19 21:56:58,745 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 0.85ms. Allocated memory is still 234.9MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 15.14ms. Allocated memory is still 234.9MB. Free memory was 144.0MB in the beginning and 141.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 125.11ms. Allocated memory is still 234.9MB. Free memory was 141.7MB in the beginning and 133.9MB in the end (delta: 7.8MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * IcfgToChc took 152.37ms. Allocated memory is still 234.9MB. Free memory was 133.9MB in the beginning and 124.9MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSmtPrinter took 16.88ms. Allocated memory is still 234.9MB. Free memory was 124.9MB in the beginning and 121.9MB in the end (delta: 3.1MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSolver took 17849.09ms. Allocated memory is still 234.9MB. Free memory was 121.9MB in the beginning and 113.7MB in the end (delta: 8.2MB). 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. [2024-12-19 21:56:58,763 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_12248775584896973191.smt2 (2)] Forcibly destroying the process [2024-12-19 21:56:58,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_12248775584896973191.smt2 (2)] Forceful destruction successful, exit code 137 [2024-12-19 21:56:58,774 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...